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Stephan, Max. "Rhéologie de la lithosphère océanique sous les rides asismiques : application au bombement des Bermudes." Brest, 1988. http://www.theses.fr/1988BRES2028.
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Ce manuscrit concerne l'etude de l'isostasie sous l'ile et le bombement des bermudes afin de determiner les proprietes mecaniques et thermiques de la lithosphere. Une methode d'analyse spectrale tridimensionnelle est employee pour le calcul d'admittances experimentales. Celles-ci sont comparees a des admittances theoriques calculees pour des modeles simples d'isostasie afin d'estimer les caracteristiques rheologiques de la croute et de la lithosphere. Des regles pratiques pour l'obtention d'admittances experimentales interpretables en termes de mecanisme d'isostasie sont obtenus. Les resultats de l'etude de l'isostasie du bombement bermudien sont ensuite detailles et utilises pour proposer une hypothese sur le processus physique a l'origine de ce bombement; en particulier, sa formation par un point chaud du manteau est discutee. Une analyse de l'articulation possible des principales phases de l'histoire du bombement bermudien avec les differentes positions absolues de la plaque americaine permet de conclure que le volcanisme bermudien resulte bien de l'action d'un point chaud. Quelques problemes restent cependant poses et nous conduisent a replacer la ride des bermudes dans le contexte cinematique et geodynamique et l'atlantique nord. Une hypothese de formation pour cette ride est proposee, si elle est proche de celle classiquement admise pour la formation des reliefs intra-plaques par des points chauds du manteau, elle differe neanmoins sur plusieurs points: notamment, il n'est pas exclu que celui-ci se soit manifeste au moment de la deformation de la plaque americaine le long d'une zone de faiblesse pre-existante durant les temps cenozoiques
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Prognon, François. "Provenance du matériel à l'origine des formations pédologiques quaternaires des archipels des Bermudes et des Bahamas." Phd thesis, École Nationale Supérieure des Mines de Paris, 2006. http://pastel.archives-ouvertes.fr/pastel-00003287.
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Les îles des archipels des Bermudes et des Bahamas sont caractérisées par l'alternance de dépôts carbonatés et de paléosols. L'origine de ces formations a été rapportée à l'accumulation puis à l'altération des poussières sahariennes. La minéralogie des paléosols des Bermudes est composée de carbonates, de minéraux argileux, de minéraux phosphatés et d'oxydes et hydroxydes de fer et d'aluminium. Le cortège argileux est composé de kaolinite, de chlorite et d'interstratifiés chlorite/vermiculite. Son analyse montre que le matériel à l'origine des paléosols provient de l'édifice volcanique sous jacent. L'apport volcanique est renforcé lors des périodes de bas niveau marin. Le matériel est soufflé sur l'île où il subit alors l'altération pédologique. Le taux d'accumulation du matériel volcanique était probablement supérieur au taux d'altération par pédogenèse. Le flux de particules atmosphériques d'origine saharienne demeure invisible. La minéralogie des paléosols d'Eleuthera (Bahamas) est dominée par les carbonates. Les formations récentes contiennent de la kutnahorite ; les formations anciennes contiennent de l'hydrotalcite. L'étude comparative des paléosols de San Salvador et d'Eleuthera montre que l'évolution des unités pédologiques est liée à leur capacité à lessiver leur contenu carbonaté. Ce facteur est contrôlé par la structure de la plate-forme sous-jacente ou par la nature du substratum. Le cortège argileux des paléosols et des forages marins des Bahamas présente une forte teneur en illite qui traduit l'importante des apports nord sahariens alors que sa teneur élevée en chlorite illustre l'existence d'une composante nord-américaine.
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Prognon, François. "Provenance du matériel à l’origine des formations pédologiques quaternaires des archipels des Bermudes et des Bahamas." Paris, ENMP, 2006. http://pastel.paristech.org/3287/01/Thèse_PROGNON.pdf.
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Les îles des archipels des Bermudes et des Bahamas sont caractérisées par l’alternance de dépôts carbonatés et de paléosols. L’origine de ces formations a été rapportée à l’accumulation puis à l’altération des poussières sahariennes. La minéralogie des paléosols des Bermudes est composée de carbonates, de minéraux argileux, de minéraux phosphatés et d’oxydes et hydroxydes de fer et d’aluminium. Le cortège argileux est composé de kaolinite, de chlorite et d’interstratifiés chlorite/vermiculite. Son analyse montre que le matériel à l’origine des paléosols provient de l’édifice volcanique sous jacent. L’apport volcanique est renforcé lors des périodes de bas niveau marin. Le matériel est soufflé sur l’île où il subit alors l’altération pédologique. Le taux d’accumulation du matériel volcanique était probablement supérieur au taux d’altération par pédogenèse. Le flux de particules atmosphériques d’origine saharienne demeure invisible. La minéralogie des paléosols d’Eleuthera (Bahamas) est dominée par les carbonates. Les formations récentes contiennent de la kutnahorite ; les formations anciennes contiennent de l’hydrotalcite. L’étude comparative des paléosols de San Salvador et d’Eleuthera montre que l’évolution des unités pédologiques est liée à leur capacité à lessiver leur contenu carbonaté. Ce facteur est contrôlé par la structure de la plate-forme sous-jacente ou par la nature du substratum. Le cortège argileux des paléosols et des forages marins des Bahamas présente une forte teneur en illite qui traduit l’importante des apports nord sahariens alors que sa teneur élevée en chlorite illustre l’existence d’une composante nord-américaineBermudan and Bahamian Quaternary deposits are characterized by the alternation of carbonates and paleosols. Up to now, atmospheric material, especially Saharan dust, was considered as the main component of the pedological formations. XRD analyses revealed that the mineralogical assemblage of the Bermuda paleosols predominantly includes carbonates, clay minerals (kaolinite, chlorite and chlorite/vermiculite), phosphates, aluminium and iron oxides/hydroxides. It is strikingly close to the mineralogy of the altered Bermuda volcanic seamount, but noticeably different from the mineralogy of Saharan dust. Moreover, volcanic lithoclasts are found in numerous paleosol profiles all over the archipelago, in all the recorded time intervals. We thus consider the volcanic seamount as the main source of non-carbonate minerals detected in the paleosols. The atmospheric dust reaching Bermuda all along the Quaternary period is probably diluted by the local flux of insoluble residues and remains undetectable by the XRD method. Carbonates dominate Bahamian paleosols mineralogical assemblage. Recent formations contain kutnahorite, older hydrotalcite. We carried out a comparative study on the evolution of the San Salvador and Eleuthera paleosols mineralogy. It is supported by the speciation model CHESS. It demonstrates that soil evolution is driven by the local platform physiography and by the substratum mineralogy. The clay assemblage from Bahamian paleosols and marine sediments is inherited from North African and probably from North American sources (Mississippi Valley Loess)
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Kamimura, Luciana Maira Tibães. "Fertirrigação ou fertilizantes de liberação gradual no manejo de gramados esportivos /." Botucatu, 2019. http://hdl.handle.net/11449/191194.
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Orientador: Roberto Lyra Villas BôasResumo: O gramado esportivo requer cuidados cautelosos para apresentar bom desenvolvimento e “jogabilidade”. O tipo de fertilizante e a forma de aplicação deste interferem diretamente em sua qualidade, para isso, é necessário obter informações sobre o método mais adequado da adubação. O objetivo com o presente trabalho foi de comparar fertilizantes de liberação gradual, e fetirrigação, com a adubação convencional à fim de obter maior qualidade de grama Zeon e Celebration. O experimento foi conduzido na área experimental da Faculdade de Ciências Agronômicas – FCA/UNESP, Campus de Botucatu (SP). O delineamento foi em blocos ao acaso, em parcelas subdivididas, com grama Zeon e Celebration, como parcela principal, e cinco manejos de adubação (1. sem adubação; 2. fertirrigação; 3. adubação com fertilizantes convencionais; 4. adubação com fertilizante de liberação lenta; 5. adubação com fertilizante de liberação controlada), nas subparcelas, e quatro repetições, no período de janeiro a junho, sendo realizadas as avaliaçoes a cada quinze dias. As características avaliadas foram a Taxa de Cobertura Verde (TCV), Índice de Coloração Verde Escuro (ICVE), Índice de Grama, Índice de Clorofila, altura, Fitomassa de Matéria Seca (MS), matéria seca do estolão e rizoma e da raíz, comprimento da raíz,química do solo, solução do solo, e o teor e exportação de nutrientes do gramado. Os diferentes manejos de adubação apresentaram comportamento distintos entre si e entre as cultivares de grama. A grama Ze... (Resumo completo, clicar acesso eletrônico abaixo)
Mestre
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Matos, Oscar Ivan Tuz. "Adubação nitrogenada, parcelada ou singular, em pastagem irrigada de Cynodon spp." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2492.
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O objetivo do estudo foi avaliar produção de forragem, valor nutritivo, frações nitrogenadas e as características morfogénicas da pastagem irrigada de Cynodon spp. e adubado com nitrogênio com dose parcelada ou singular. O experimento foi conduzido na Unidade de Ensino e Pesquisa de Bovinocultura de corte da Universidade Tecnológica Federal do Paraná – Câmpus Dois Vizinhos, Sudoeste do Paraná, entre 09 de novembro de 2015 a 31 de março de 2016. A área experimental foi de 1,5 ha com pastagem de Estrela Africana (Cynodon spp.) irrigada, subdividida em 18 piquetes de áreas semelhantes, com média de 400 m2. O delineamento experimental foi inteiramente casualizado para as avaliações de produção, valor nutritivo,
fracionamento protéico e as características morfogênicas da pastagem, com três tratamentos e seis repetições. Os tratamentos avaliados foram: 1A: Uma aplicação, 2A: Duas aplicações e 4A: quatro aplicações de N, com intervalos de dois pós-pastejos, totalizando a fração estabelecida de 200 kg de N ha-1. As avaliações da forragem foram determinadas diretamente através de três cortes nas condições de pré e pós-pastejo a cinco centímetros do solo, ajustadas para cada mês do ano. Para a análise da composição química, as amostras foram obtidas pela técnica de simulação de pastejo. As características morfogênicas foram obtidas pela técnica de perfilhos marcados durante o período de descanso. A taxa de acúmulo, massa de forragem pré pastejo, massa foliar, massa de colmo e material morto, apresentaram interação tratamento x
mês (P<0,05). No entanto, não foram observadas diferenças significativas (P>0,05) no valor nutritivo e no fracionamento de nitrogênio total entre os tratamentos. As características morfogênicas apresentaram diferença significativa (P<0,05) para a aplicação singular e parcelada em até duas vezes. Pastagens de Cynodon spp. podem ser adubadas com 200 kg de
nitrogênio por hectare em uma única dose sem interferência no valor nutritivo e sem alterações nas frações proteicas e resultados superiores nas características morfogênicas.The objective of the study was to evaluate forage yield, nutritive value, nitrogen fractions and morphogenic characteristics of irrigated nitrogen fertilized on pasture of Cynodon spp. with split or single dose. The experiment was conducted at the Teaching and Research Unit of beef cattle breading of the Federal Technological University of Paraná, Campus Dois Vizinhos, South-West of Paraná. The experimental area was 1.5 ha with pasture of Cynodon ssp. irrigated, subdivided in 18 paddocks of similar areas, with an average of 400 m2. Experimental design was of completely randomized for the evaluation of production, nutritional value, protein fractionation and for the morphogenic characteristics, with three treatments and six repetitions. Treatments evaluated were: 1A: One application, 2A: Two applications and 4A: four applications of N, with intervals of two post-grazing, totalizing the established fraction. Forage evaluations were determined directly by three cuts in pre-and post-grazing to five cm of the soil, adjusted for each month of the year. For the analysis of chemical composition, samples were obtained by the grazing hand-plucked method. The morphogenic characteristics were obtained by the marked tills technique during the rest period. Data of accumulation rate, pregrazing forage mass, leaf mass, stem mass and dead material presented treatment x month interaction (P<0.05). However, no significant differences were observed (P> 0.05) in the nutritional value and total nitrogen fractionation between treatments. The morphogenic characteristics showed a significant difference (P <0.05) for the single and split application in two times. the pasture of Cynodon can be fertilized with 200 kg of nitrogen per hectare in single dose without interference on nutritional value and without alterations in the protein fractions and superior results in the morphogenic characteristics.
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Almeida, Roberto Gil Rodrigues [UNESP]. "Irrigação no desenvolvimento da grama Bermudas." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/100809.
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almeida_rgr_dr_jabo.pdf: 558815 bytes, checksum: bcfbb21415d75308fe9c3fdf784ebb4a (MD5)Este trabalho foi realizado com o objetivo de analisar a reposição de água mais adequada para manter a boa qualidade da Grama Bermuda (Cynodon dactylon). Foram utilizados quatro tratamentos: T1 – irrigado com reposição de água de 50% da ETo; T2 – irrigado com reposição de água de 75% da ETo; T3 – irrigado com reposição de água de 100% da ETo e T4 – irrigado com reposição de água de 150% da ETo, com uma frequência diária de irrigação. A evapotranspiração de referência (ETo) foi obtida utilizando a equação apresentada por Penman-Monteith. O trabalho foi realizado em uma área experimental do Instituto Federal de Educação, Ciência e Tecnologia do Triângulo Mineiro – Campus de Uberaba, nos períodos de junho a setembro de 2010 e de janeiro a março de 2011. Foram realizadas três avaliações durante o período considerado. As amostras foram retiradas com extrator cilíndrico com 10 cm de diâmetro e 30 cm altura. Em cada amostra foi avaliada a altura e massa de matéria seca para as variáveis das partes: folha, raiz e material orgânico. O delineamento experimental foi de blocos casualizados, composto por quatro tratamentos em cinco repetições. Houve diferença apenas no desenvolvimento da parte aérea da grama. Não foram observadas diferenças significativas para massa de matéria seca das partes: aérea, raiz e material orgânico; e altura: da raiz e material orgânico. O tratamento que proporcionou os melhores resultados foi o de 150% de reposição de água, para o desenvolvimento da parte aérea
This work was carried out with the goal to analyze the best water replacement for maintaining a good quality of Bermuda grass (Cynodon dactylon) to soccer practice saving water and energy. It was used four treatments: T1 - irrigated with water replacement of 50% of ETo, T2 - irrigated with water replacement of 75% of ETo, T3 - irrigated with water replacement of 100% of ETo and T4 - irrigated with water replacement of 150% of ETo, with a daily frequency of irrigation. The evapotranspiration reference (ETo) was obtained using the equation presented by Penman-Monteith. The study was conducted in an experimental area of the Federal Institute of Education, Science and Technology of Triângulo Mineiro - Uberaba Campus, in the periods from June to September 2010 and January to March 2011. It was done three evaluations of variables during the period considered. The samples were collected using a cylindrical extractor with 10 cm in diameter and 30 cm height. For each sample it was evaluated height and dry weight for the variables party: leaf, root and organic material. The experimental design used was randomized blocks, with four treatments and five replications. There were no significant differences in dry matter of: aerial part, roots and organic material and height of the root and organic matter. The treatment that provided the best result of the aerial part of the grass was using the largest water replacement (150% of ETo)
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Almeida, Roberto Gil Rodrigues. "Irrigação no desenvolvimento da grama Bermudas /." Jaboticabal, 2012. http://hdl.handle.net/11449/100809.
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Orientador: José Eduardo Pitelli TurcoCoorientador: Antônio Carlos Barreto
Banca: Américo Iorio Ciociola Júnior
Banca: Márcio José de Santana
Banca: João Antonio Galbiatti
Banca: Carlos Eduardo Angeli Furlani
Resumo: Este trabalho foi realizado com o objetivo de analisar a reposição de água mais adequada para manter a boa qualidade da Grama Bermuda (Cynodon dactylon). Foram utilizados quatro tratamentos: T1 - irrigado com reposição de água de 50% da ETo; T2 - irrigado com reposição de água de 75% da ETo; T3 - irrigado com reposição de água de 100% da ETo e T4 - irrigado com reposição de água de 150% da ETo, com uma frequência diária de irrigação. A evapotranspiração de referência (ETo) foi obtida utilizando a equação apresentada por Penman-Monteith. O trabalho foi realizado em uma área experimental do Instituto Federal de Educação, Ciência e Tecnologia do Triângulo Mineiro - Campus de Uberaba, nos períodos de junho a setembro de 2010 e de janeiro a março de 2011. Foram realizadas três avaliações durante o período considerado. As amostras foram retiradas com extrator cilíndrico com 10 cm de diâmetro e 30 cm altura. Em cada amostra foi avaliada a altura e massa de matéria seca para as variáveis das partes: folha, raiz e material orgânico. O delineamento experimental foi de blocos casualizados, composto por quatro tratamentos em cinco repetições. Houve diferença apenas no desenvolvimento da parte aérea da grama. Não foram observadas diferenças significativas para massa de matéria seca das partes: aérea, raiz e material orgânico; e altura: da raiz e material orgânico. O tratamento que proporcionou os melhores resultados foi o de 150% de reposição de água, para o desenvolvimento da parte aérea
Abstract: This work was carried out with the goal to analyze the best water replacement for maintaining a good quality of Bermuda grass (Cynodon dactylon) to soccer practice saving water and energy. It was used four treatments: T1 - irrigated with water replacement of 50% of ETo, T2 - irrigated with water replacement of 75% of ETo, T3 - irrigated with water replacement of 100% of ETo and T4 - irrigated with water replacement of 150% of ETo, with a daily frequency of irrigation. The evapotranspiration reference (ETo) was obtained using the equation presented by Penman-Monteith. The study was conducted in an experimental area of the Federal Institute of Education, Science and Technology of Triângulo Mineiro - Uberaba Campus, in the periods from June to September 2010 and January to March 2011. It was done three evaluations of variables during the period considered. The samples were collected using a cylindrical extractor with 10 cm in diameter and 30 cm height. For each sample it was evaluated height and dry weight for the variables party: leaf, root and organic material. The experimental design used was randomized blocks, with four treatments and five replications. There were no significant differences in dry matter of: aerial part, roots and organic material and height of the root and organic matter. The treatment that provided the best result of the aerial part of the grass was using the largest water replacement (150% of ETo)
Doutor
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Tickes, B., and M. Rethwisch. "Bermuda Grass insect Control." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/200824.
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Mário, Belchior César Xavier. "Apreçamento de opções europeias, americanas e Bermudas usando modelos binomial e trinomial." Master's thesis, Instituto Superior de Economia e Gestão, 2016. http://hdl.handle.net/10400.5/15947.
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Mestrado em Mathematical FinanceDerivados financeiras são instrumentos cujo valor depende de um (ou mais) ativo financeiro subjacente. A avaliação de derivados financeiros tem sido um dos tópicos mais estudadas no campo das Finanças com recurso crescente a métodos matemáticos cujo grau de elaboração se tem vindo a acentuar, nomeadamente no campo da modelação. O modelo de Black-Scholes tem desempenhado um papel distintivo neste campo, nomeadamente do caso das opções financeiras. Contudo, só em casos simples apresenta solução fechada, tornando-se necessário a recurso a métodos numéricos para simular os possíveis valores. Neste trabalho, referir-nos-emos a opções europeias, americanas e bermudas. Depois de uma breve revisão de alguns conceitos e do modelo Black-Scholes, focar-nos-emos nos modelos de simulação binomial e trinomial. Apresentaremos um estudo comparativo entre os modelos binomial e trinomial, aplicados a estes três tipos de opções. O estudo da avaliação e comparação dos modelos será feita através da análise da precisão verificada na respetiva implementação. Numa análise aos resultados obtidos, verificar-se-á ainda que a opção bermuda tem um preço entre as opções europeia e americana, como seria expectável.
Financial derivatives are instuments with values that depend on underlying assets. The valuation of financial derivatives has one of the most studied topics in the field of Finance, using mathematical methods with increasing sophistication, namely as far as modelling is concerned. Black-Scholes model has played a crucial role in this field, namey for pricing financial options. After addressing shortly some basic concepts and the classical Black-Scholes model, we will between the binomial and trinomial models applied to the referred type of options. The evaluation and comparison of models will be done by the accuracy observed in the implementation. In an analysis of the results, it can also be seen that the Bermundan option holds a price between the European and American options, as one would expect.
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Gibbons, Darcy Ann. "An environmental assessment of Bermuda's caves." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/1314.
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The current environmental status of the majority of Bermudas one hundred sixty-six known caves was investigated. This survey replicated a historical cave study performed in 1983, wherein each was analyzed for positive and negative features. Statistical analysis of the data showed a significant difference between the historical and current survey ratings, with an overall decrease in environmental status. A water quality study was performed on twenty different caves with sea level pools in various locations around the island. Nitrate, nitrite, ammonia, and phosphate levels were measured from varying depths in these caves. Fifteen of these caves were also tested for the presence of fecal bacterial contamination. High nitrate levels were discovered in some of the caves, particularly in surface samples. Additionally, bacterial contamination was detected in some caves. No obvious relationship between cave size or location and contamination existed for any of the pollutants sampled. Three separate caves from this group were dived and analyzed using a Hydrolab Sonde 3 Multiprobe Logger to acquire in situ water column data including depth, temperature, pH, salinity, and dissolved oxygen. Each cave studied had its own unique trends in hydrology at varying depths in the water column. A later water sampling study with a randomized experimental design was created and caves were divided into four classes based on size and location. Surface and subsurface samples were gathered from twelve randomly selected caves, three from each class. Each sample was analyzed for nitrate, nitrite, and ammonia concentrations. The results were analyzed using multiple analysis of variance statistics. A significant difference between the nitrate concentrations in the surface and subsurface water samples was discovered. None of the other comparisons were statistically significant. To represent the data visually, a Bermuda Cave and Karst Information System (BeCKIS) was created using the environmental survey data and water quality information. Some of the maps generated highlighted regions where negative environmental impacts on caves were concentrated geographically, thus demonstrating how this geographic information system could be used as a conservation tool.
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Dunnivant, William Edwin Guertal Elizabeth A. "Grooming frequency and spacing effects on a TifEagle bermudagrass putting green." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Agronomy_and_Soils/Thesis/Dunnivant_William_54.pdf.
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Williams, Vincent Sinclair Jr. "Perceptions of Bermudian Leaders About the Philosophies, Major Purposes, and Effectiveness of the Public School System in Bermuda Since 1987." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etd/1220.
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This is a study of the perceptions, philosophies, purpose, and effectiveness of public education in Bermuda. It includes a purposeful sample of Bermuda leaders in education, government, business, and public life. I prepared a series of questions that I used as an interview guide to obtain the opinions of participants in the study. Most participants did not provide specific information about the official philosophy, major purposes, or specific educational outcomes of the public education system since its restructuring began in 1987. Many indicated their frustration about the lack of such basic data as enrollment, graduation, and dropout rates. Nearly all interviewees (except those staff members from the Ministry of Education) agreed that the effectiveness of public schools has declined dramatically in recent years. Other findings include: Leadership in the Ministry of Education and the Department of Education has been bureaucratic and incompetent; Governmental funding of public schools has been very high, but much money has been wasted; Some public middle and secondary school principals have performed poorly, at least partly because of inadequate leadership and communication from the Ministry of Education and the Department of Education; Major problems exist regarding curriculum misalignment, teachers’ qualifications and performance, services of school counselors, lack of parental involvement in the schools, and classification and instruction of students with cognitive, physical, and emotional disabilities; and Major changes are needed to overcome existing problems, including dismissal of the least effective individuals in the Department of Education and in individual schools.
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Zhao, Jing Ya. "Numerical methods for pricing Bermudan barrier options." Thesis, University of Macau, 2012. http://umaclib3.umac.mo/record=b2592939.
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Tan, Elgin. "Bermudan swaptions and the LIBOR Market Model." Thesis, Imperial College London, 2007. http://hdl.handle.net/10044/1/8672.
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Hicks, Christy Agnew Guertal Elizabeth A. "Mowing height, nitrogen rate and source effects on establishment and maintenance of Tifway and TifSport bermudagrass." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Fall/Theses/HICKS_CHRISTY_5.pdf.
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Pietersz, Raoul. "Pricing Models for Bermudan-Style Interest Rate Derivatives." [Rotterdam]: Erasmus Research Institute of Management (ERIM), Erasmus University Rotterdam ; Rotterdam : Erasmus University Rotterdam [Host], 2005. http://hdl.handle.net/1765/7122.
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Jankelow, Adam. "Pricing American/Bermudan-style Options under Stochastic Volatility." Master's thesis, Faculty of Commerce, 2021. http://hdl.handle.net/11427/32755.
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A method to price American options under a stochastic volatility framework is introduced which is based on Rambharat and Brockwell (2010). We price American options under the Heston and Bates stochastic volatility models where volatility is assumed to be a latent process. The pricing algorithm is based on the least-squares Monte Carlo approach made popular by Longstaff and Schwartz (2001). Information about the volatility of the underlying asset is used to assist in solving the pricing problem. Since volatility is assumed to be a latent, a particle filter is used to estimate the filtering distribution of volatility. A summary vector is constructed which captures the essential features of the filtering distribution. At each time step before maturity, the elements of the summary vector and the current share price are used as explanatory variables in a regression function which estimates the continuation value of the option. Estimating the continuation value assists in finding the optimal time to exercise the option. This pricing approach is benchmarked against a method which assumes volatility is observable. Furthermore, our pricing approach is compared to simpler methods which do not use particle filtering. Results from our numerical experiments suggest the proposed approach produces accurate option prices.
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Wilson, Wendolyn Louise. "Isolation of endophytes from seagrasses from Bermuda." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ35540.pdf.
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Goetz, Robert. "The failure of early Bermuda, 1612-1630." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/44638.
Full textAbstract:
Bermuda, settled in l6l2, was the second successful English colony founded in the New World. The islands appeared to provide investors in England with an excellent opportunity to make a profit, but the colony failed to generate the anticipatcd profits because the investors failed to allow sufficient incentive for the colonists to produce high quality cash crops. Little research has been conducted on the early history of Bermuda, and the little that has been done has focused on political events within the colony and colonizing company. This work uses letters, petitions, contemporary accounts, and other colonial and company documents to examinc the interaction between the colonists in Bermuda and the investors in England and to determine the impact of this interaction on the failure of the colony.
Master of Arts
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Hamdi, Ali. "Some aspects of optimal switching and pricing Bermudan options." Doctoral thesis, KTH, Matematisk statistik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-120478.
Full textAbstract:
This thesis consists of four papers that are all related to the Snell envelope. In the first paper, the Snell envelope is used as a formulation of a two-modes optimal switching problem. The obstacles are interconnected, take both profit and cost yields into account, and switching is based on both sides of the balance sheet. The main result is a proof of existence of a continuous minimal solution to a system of Snell envelopes, which fully characterizes the optimal switching strategy. A counter-example is provided to show that uniqueness does not hold. The second paper considers the problem of having a large number of production lines with two modes of production, high-production and low-production. As in the first paper, we consider both expected profit and cost yields and switching based on both sides of the balance sheet. The production lines are assumed to be interconnected through a coupling term, which is the average optimal expected yields. The corresponding system of Snell envelopes is highly complex, so we consider the aggregated yields where a mean-field approximation is used for the coupling term. The main result is a proof of existence of a continuous minimal solution to a system of Snell envelopes, which fully characterizes the optimal switching strategy. Furthermore, existence and uniqueness is proven for the mean-field reflected backward stochastic differential equations (MF-RBSDEs) we consider, a comparison theorem and a uniform bound for the MF-RBSDEs is provided. The third paper concerns pricing of Bermudan type options. The Snell envelope is used as a representation of the price, which is determined using Monte Carlo simulation combined with the dynamic programming principle. For this approach, it is necessary to estimate the conditional expectation of the future optimally exercised payoff. We formulate a projection on a grid which is ill-posed due to overfitting, and regularize with the PDE which characterizes the underlying process. The method is illustrated with numerical examples, where accurate results are demonstrated in one dimension. In the fourth paper, the idea of the third paper is extended to the multi-dimensional setting. This is necessary because in one dimension it is more efficient to solve the PDE than to use Monte Carlo simulation. We relax the use of a grid in the projection, and add local weights for stability. Using the multi-dimensional Black-Scholes model, the method is illustrated in settings ranging from one to 30 dimensions. The method is shown to produce accurate results in all examples, given a good choice of the regularization parameter.QC 20130416
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Rodrigues, Lisa Jacqueline. "Shelter use by Calcinus verrilli, Bermuda's endemic hermit crab." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0016/MQ54208.pdf.
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Oliveira, Mauricio Roberto de [UNESP]. "Aplicação de escória de aciaria e calcário no solo e desenvolvimento do primeiro ciclo da grama bermuda." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/86364.
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oliveira_mr_me_botfca.pdf: 546021 bytes, checksum: 1df85938f2da4bb6ca608c577dda0d19 (MD5)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
O mercado brasileiro de grama cultivada tem expandido em decorrência a maior demanda em áreas paisagísticas e esportivas. Para maximizar a produção de grama, de maneira econômica, os tapetes devem ser produzidos com qualidade e em um tempo reduzido, sendo assim, a preparação do solo tem grande influência na produtividade dos gramados. Diante disso, tem se estudado diferentes corretivos da acidez do solo, e o mais novo é um subproduto da fabricação do aço, conhecido como escória de aciaria. Uma das vantagens de sua utilização é a possibilidade da correção do solo em maior profundidade, visto que a solubilidade de seu principal componente, o silicato de cálcio, é 6.78 vezes maior que a do carbonato de cálcio, o componente fundamental do calcário, que ainda hoje é o corretivo mais utilizado. Além disso, a grama é uma planta acumuladora de silício, e, portanto, poderá responder com maior facilidade ao silicato de cálcio. Desta forma, o objetivo foi avaliar o efeito da aplicação de escória de aciaria, comparado ao calcário, na implantação de um sistema de produção de grama bermuda. O experimento foi instalado no município de Botucatu, em uma área experimental da Unesp - fazenda Lageado, cujo solo é classificado como latossolo vermelho distrófico com textura média. O delineamento experimental foi realizado em blocos ao acaso de quatro repetições e com subparcelas de quatro doses de escória, quatro doses de calcário e uma testemunha, elevando a saturação de base do solo a 30%, 50%, 70% e 90%, e foram avaliadas diversas características do solo e da planta, e os dois corretivos aplicados ao solo na influência da produção da grama bermuda. Com a análise dos resultados, observou-se uma modificação no solo, quando aplicado os corretivos, tendo uma elevação nos teores de P e Ca para à escória de aciaria, e nos... (Resumo completo, clicar acesso eletrônico aba
The Brazilian market of cultivated grass has expanded due to increased demand in scenic and sports areas. To maximize the production of grass, cost-effectively, the rugs should be produced with quality and in a shorter timeframe, so the soil preparation has great influence on the productivity of grasslands. Whereupon, has studied various correctives of the acidity of the soil, and the youngest is a by-product from the manufacture of steel, known as steelmaking slag. One of the advantages of their use is the possibility of correction of soil in greater depth, since the solubility of its main component, calcium silicate, is 6.78 times greater than that of calcium carbonate, the basic component of limestone, which is still the most widely used concealer. In addition, the grass is a Silicon-accumulating plant, and therefore be able to respond more easily to calcium silicate. In this way, the objective was to evaluate the effect of the application of steelmaking slag, compared to limestone, in deploying a production system of bermuda grass. The experiment was installed in the city of Botucatu, in an experimental area of Unesp-farm Lageado, whose soil is classified as red latosol textured red latosol. The experiment was conducted in randomized blocks with four repetitions and subplots of four doses of slag, four doses of lime and a witness, raising the soil base saturation at 30, 50, 70 and 90, and were assessed several characteristics of soil and plant, and the two soil applied correctives in influences the production of bermuda grass. With the analysis of the results, it was observed a change in the soil when applied the correction, with an elevation in the levels of P and Ca for the steelmaking slag, and in Mg for limestone, and there is no difference for the other nutrients. The availability of micro-nutrients have increased with the use of correctives, having... (Complete abstract click electronic access
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Franco, Henrique Coutinho Junqueira [UNESP]. "Avaliação agronômica de fontes e doses de fósforo para o capim-Tifton 85." Universidade Estadual Paulista (UNESP), 2003. http://hdl.handle.net/11449/96995.
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franco_hcj_me_jabo.pdf: 378736 bytes, checksum: b3e68cc44eae827efcafddd8220570b1 (MD5)Com o objetivo de avaliar a eficiência agronômica de fontes de fósforo (P) para o capim-Tifton 85 em três crescimentos, na produção de massa seca da parte aérea e das raízes, e perfilhamento, conduziu-se um experimento em vasos contendo amostras de um LATOSSOLO VERMELHO-AMARELO textura média. Os fertilizantes fosfatados utilizados foram: o superfosfato triplo-ST (fonte referência), os fosfatos naturais reativos de Gafsa e Arad e o termofosfato magnesiano (pó e grosso), aplicados nas doses de fósforo 30, 60, 90 e 120 mg kg-1. A adubação fosfatada promoveu incrementos significativos na produção de massa seca (parte aérea) e no perfilhamento da forrageira durante todo período experimental, assim como na produção de massa seca de raízes (1° e 3° crescimentos). A eficiência dos fosfatos reativos (Arad e Gafsa) aumentou significativamente quando se considerou seu efeito residual. O aumento da granulometria do termofosfato prejudicou a sua atuação. O método do equivalente em ST médio foi o que melhor avaliou os resultados de eficiência agronômica, mostrando através dos resultados, que se deve obter a curva de resposta completa de cada fonte e avaliar o seu efeito residual. Quando se considerou a soma dos três crescimentos, o fosfato natural Arad foi o único fertilizante fosfatado que superou a fonte de referência (ST), em termos econômicos. O nível crítico de fósforo no solo e na planta foram respectivamente 18 mg dm-3 e 2,4 9 kg-1. A adubação fosfatada aumentou as concentrações de fósforo e de proteína bruta na parte aérea da forrageira durante todo o período experimental.
This research evaluated the agronomic effectiveness of phosphorus (P) sources for the Tifton 85 grass (three cuttings) on the productíon of the dry mass (shoot and roots) and tillering of Tifton 85 grass. The experiment was conducted in pots containg samples of a LA TOSSOLO VERMELHO AMARELO (Oxisol). The phosphate fertilizers used were: triple superphosphate - TSP (reference source), Gafsa and Arad phosphates rock, and fused magnesium phosphate (powder and coarse). The fertílization with phosphorus promoted significant increments in the dry mass yield (shoot) and on tillering of the forage troughout the experimental period as well as on the production of the roots dry mass (1st and 3rd cutting). The effectiveness of the phosphates rock (Arad and Gafsa) increased significantly when considering its residual effect. The increase of the particle size of the fused magnesium phosphate decreased its effectiveness. The agronomic effectiveness was better evaluated by the method equivalent medium TSP. It was observed that the complete response curve of each source must be obtained and its residual effect evaluated. When the sum of the three cuttings was considered, the Arad phosphate rock was the only fertilizer that overcame the reference source (TSP) in economic terms. The critical levels of the soil and plant were respectively 18 mg dm-3 and 2,4 9 kg-1. The fertilization with phosphorus raised the concentration of phosphorus and the crude protein content in the shoot of the forage troughout the experimental period.
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Oliveira, Mauricio Roberto de 1988. "Aplicação de escória de aciaria e calcário no solo e desenvolvimento do primeiro ciclo da grama bermuda /." Botucatu : [s.n.], 2012. http://hdl.handle.net/11449/86364.
Full textAbstract:
Orientador: Dirceu Maximino FernandesCo-orientador: Roberto Lyra Villas Bôas
Banca: Clarice Backes
Banca: Hélio Grassi Filho
Resumo: O mercado brasileiro de grama cultivada tem expandido em decorrência a maior demanda em áreas paisagísticas e esportivas. Para maximizar a produção de grama, de maneira econômica, os tapetes devem ser produzidos com qualidade e em um tempo reduzido, sendo assim, a preparação do solo tem grande influência na produtividade dos gramados. Diante disso, tem se estudado diferentes corretivos da acidez do solo, e o mais novo é um subproduto da fabricação do aço, conhecido como escória de aciaria. Uma das vantagens de sua utilização é a possibilidade da correção do solo em maior profundidade, visto que a solubilidade de seu principal componente, o silicato de cálcio, é 6.78 vezes maior que a do carbonato de cálcio, o componente fundamental do calcário, que ainda hoje é o corretivo mais utilizado. Além disso, a grama é uma planta acumuladora de silício, e, portanto, poderá responder com maior facilidade ao silicato de cálcio. Desta forma, o objetivo foi avaliar o efeito da aplicação de escória de aciaria, comparado ao calcário, na implantação de um sistema de produção de grama bermuda. O experimento foi instalado no município de Botucatu, em uma área experimental da Unesp - fazenda Lageado, cujo solo é classificado como latossolo vermelho distrófico com textura média. O delineamento experimental foi realizado em blocos ao acaso de quatro repetições e com subparcelas de quatro doses de escória, quatro doses de calcário e uma testemunha, elevando a saturação de base do solo a 30%, 50%, 70% e 90%, e foram avaliadas diversas características do solo e da planta, e os dois corretivos aplicados ao solo na influência da produção da grama bermuda. Com a análise dos resultados, observou-se uma modificação no solo, quando aplicado os corretivos, tendo uma elevação nos teores de P e Ca para à escória de aciaria, e nos... (Resumo completo, clicar acesso eletrônico aba
Abstract: The Brazilian market of cultivated grass has expanded due to increased demand in scenic and sports areas. To maximize the production of grass, cost-effectively, the rugs should be produced with quality and in a shorter timeframe, so the soil preparation has great influence on the productivity of grasslands. Whereupon, has studied various correctives of the acidity of the soil, and the youngest is a by-product from the manufacture of steel, known as steelmaking slag. One of the advantages of their use is the possibility of correction of soil in greater depth, since the solubility of its main component, calcium silicate, is 6.78 times greater than that of calcium carbonate, the basic component of limestone, which is still the most widely used concealer. In addition, the grass is a Silicon-accumulating plant, and therefore be able to respond more easily to calcium silicate. In this way, the objective was to evaluate the effect of the application of steelmaking slag, compared to limestone, in deploying a production system of bermuda grass. The experiment was installed in the city of Botucatu, in an experimental area of Unesp-farm Lageado, whose soil is classified as red latosol textured red latosol. The experiment was conducted in randomized blocks with four repetitions and subplots of four doses of slag, four doses of lime and a witness, raising the soil base saturation at 30, 50, 70 and 90, and were assessed several characteristics of soil and plant, and the two soil applied correctives in influences the production of bermuda grass. With the analysis of the results, it was observed a change in the soil when applied the correction, with an elevation in the levels of P and Ca for the steelmaking slag, and in Mg for limestone, and there is no difference for the other nutrients. The availability of micro-nutrients have increased with the use of correctives, having... (Complete abstract click electronic access
Mestre
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Franco, Henrique Coutinho Junqueira. "Avaliação agronômica de fontes e doses de fósforo para o capim-Tifton 85 /." Jaboticabal : [s.n.], 2003. http://hdl.handle.net/11449/96995.
Full textAbstract:
Orientador: Edson Luiz Mendes CoutinhoBanca: Luís Roberto de Andrade Rodrigues
Banca: Francisco Antonio Monteiro
Resumo: Com o objetivo de avaliar a eficiência agronômica de fontes de fósforo (P) para o capim-Tifton 85 em três crescimentos, na produção de massa seca da parte aérea e das raízes, e perfilhamento, conduziu-se um experimento em vasos contendo amostras de um LATOSSOLO VERMELHO-AMARELO textura média. Os fertilizantes fosfatados utilizados foram: o superfosfato triplo-ST (fonte referência), os fosfatos naturais reativos de Gafsa e Arad e o termofosfato magnesiano (pó e grosso), aplicados nas doses de fósforo 30, 60, 90 e 120 mg kg-1. A adubação fosfatada promoveu incrementos significativos na produção de massa seca (parte aérea) e no perfilhamento da forrageira durante todo período experimental, assim como na produção de massa seca de raízes (1° e 3° crescimentos). A eficiência dos fosfatos reativos (Arad e Gafsa) aumentou significativamente quando se considerou seu efeito residual. O aumento da granulometria do termofosfato prejudicou a sua atuação. O método do "equivalente em ST médio" foi o que melhor avaliou os resultados de eficiência agronômica, mostrando através dos resultados, que se deve obter a curva de resposta completa de cada fonte e avaliar o seu efeito residual. Quando se considerou a soma dos três crescimentos, o fosfato natural Arad foi o único fertilizante fosfatado que superou a fonte de referência (ST), em termos econômicos. O nível crítico de fósforo no solo e na planta foram respectivamente 18 mg dm-3 e 2,4 9 kg-1. A adubação fosfatada aumentou as concentrações de fósforo e de proteína bruta na parte aérea da forrageira durante todo o período experimental.
Abstract: This research evaluated the agronomic effectiveness of phosphorus (P) sources for the Tifton 85 grass (three cuttings) on the productíon of the dry mass (shoot and roots) and tillering of Tifton 85 grass. The experiment was conducted in pots containg samples of a "LA TOSSOLO VERMELHO AMARELO" (Oxisol). The phosphate fertilizers used were: triple superphosphate - TSP (reference source), Gafsa and Arad phosphates rock, and fused magnesium phosphate (powder and coarse). The fertílization with phosphorus promoted significant increments in the dry mass yield (shoot) and on tillering of the forage troughout the experimental period as well as on the production of the roots dry mass (1st and 3rd cutting). The effectiveness of the phosphates rock (Arad and Gafsa) increased significantly when considering its residual effect. The increase of the particle size of the fused magnesium phosphate decreased its effectiveness. The agronomic effectiveness was better evaluated by the method "equivalent medium TSP". It was observed that the complete response curve of each source must be obtained and its residual effect evaluated. When the sum of the three cuttings was considered, the Arad phosphate rock was the only fertilizer that overcame the reference source (TSP) in economic terms. The critical levels of the soil and plant were respectively 18 mg dm-3 and 2,4 9 kg-1. The fertilization with phosphorus raised the concentration of phosphorus and the crude protein content in the shoot of the forage troughout the experimental period.
Mestre
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Nandayapa, Bermudez Edgar Ricardo [Verfasser]. "Metal Halide Perovskites: Photophysics and Inkjet Printing of Solar Cells / Edgar Ricardo Nandayapa Bermudez." Berlin : Humboldt-Universität zu Berlin, 2021. http://d-nb.info/1239114168/34.
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Yotamu, Lazarus. "The Bermuda circle, a microcosmic mainland-island connection." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63568.pdf.
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Saltus-Blackwood, Roiyah Solange. "Colonial Bermuda : hierarchies of difference, articulations of power." Thesis, University of Essex, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298595.
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Frisch, Joel A. "Geochemistry, Weathering and Diagenesis of the Bermuda Paleosols:." Thesis, Boston College, 2020. http://hdl.handle.net/2345/bc-ir:108780.
Full textAbstract:
Thesis advisor: Rudolph HonPleistocene-age terra rossa paleosols are situated on and are intercalated with eolianite and marine carbonate units across the Bermuda Islands. These clay-rich soils were originally thought to the derived from weathering of the volcanic seamount and/or from dissolution of the carbonate units, the paleosols are now believed to be primarily the result of atmospheric dust deposition from Saharan North Africa and the Sahel via long range transport, with some local inputs. If so, these soil units are mixtures of atmospheric deposition during one or more glacial- interglacial cycles. Previous investigations have been conducted on the paleosols to determine their provenance, age, and to identify unique characteristics for island wide mapping. We conducted comprehensive geochemical analyses to determine the degree of chemical weathering and diagenesis, and to identify processes responsible for their formation and development. The paleosols were found to be geochemically similar across all ages, and to show an increased degree of alteration with age rather than with their duration of subaerial exposure, indicating diagenesis by infiltrating meteoric waters as well subaerial weathering. Evidence of paleosol diagenesis suggests vadose flow across the island may not be limited to preferential pathways and that while flow through the limestones is complex, infiltrating waters appear to have allowed for additional alteration of the soils. In addition to the paleosols, clay-rich deposits with paleosol-like textures were identified during coring operations in Harrington Sound and Hungry Bay, beneath present-day sea level. The source and development histories of these materials were previously unknown. Since these clay deposits are situated beneath present-day sea level it is likely that they were deposited and chemically weathered exclusively during glacial low-sea level climate conditions. Geochemical analyses were conducted on the submarine clay samples to determine if they were related to the above-sea level paleosol and to identify their sources. Major and trace element signatures showed the submarine clay deposits to be chemically similar to the paleosols and to be derived from a similar upper continental crust-like parent. Trace element fingerprinting showed the samples to be derived from a parent similar to that of the paleosols; primarily atmospheric dust with some volcanic contributions. These findings provide additional evidence that trade wind vectors for dust transport were present during Pleistocene glacial climate conditions. Weathering indicators reveal the submarine clay samples to be somewhat less weathered than paleosols of similar age and comparable periods of exposure. Like the paleosols, the submarine clays underwent an initial period of rapid subaerial weathering which suggests warm humid climate conditions during glacial low sea level periods. However, the submarine clays did not experience extended periods of diagenesis, which may explain the somewhat lower degree of weathering. Evidence of inputs from the volcanic platform to the paleosols was limited, but comparisons with shallow volcanic rock and highly weathered volcanic residual known as the Primary Red Clay showed some similarities, suggesting that in-situ chemical weathering of the volcanic platform could produce a laterite with some characteristics similar to the Bermuda paleosols. Geochemical analysis of volcanic sands collected at Whalebone Bay showed the igneous fragments to be a result of mechanical weathering and sorting of heavy refractory minerals and we interpret these sediments to be best described as a beach placer deposit. These materials are enriched in insoluble trace elements and REE, and their contribution to the paleosols is limited
Thesis (MS) — Boston College, 2020
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Earth and Environmental Sciences
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Herzberg, Frederik S. "Recent approaches to high-dimensional American and Bermudan option pricing." Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427621.
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Bermudez, Sasso Marcel [Verfasser]. "Structural Basis for Tailor-Made Modulation of G Protein Coupled Receptor Functionality / Marcel Bermudez Sasso." Berlin : Freie Universität Berlin, 2015. http://d-nb.info/1076038786/34.
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Hurley, Jennifer. "The Bermuda Triangle, homeless youth, social services and education." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0026/MQ51573.pdf.
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Manuel, Sarah Ann. "Reproduction and spat settlement of Euvola ziczac around Bermuda." Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250473.
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Atwood, Deborah A. "Carving the exotic : confinement art in Bermuda (1824-1994)." Thesis, University of Bristol, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.687265.
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This study will examine objects created by prisoners in five specific confinement settings in over a dozen different locations in Bermuda; 19th century Convict Hulks, Boer War, WWI and WWII internment camps, and Casemates maximum-security prison. Artefacts will include cedar, metal, stone, and bone carvings, as well as paintings, textiles, photographs and graffiti. These objects were made and used by prisoners to cope with the physical and psychological effects of confinement. Consequently they are deeply personal and emotive representations of the experience of confinement in Bermuda. Many were also integrated into the local tourism markets and given as gifts. As part of the tourism trade these items became iconic souvenirs of Bermuda, and were popular items among locals and visitors alike. As commodities, these objects enabled interaction between the marginalised communities of prisoners and mainstream society. This movement from the private and restricted landscapes of the prison into the public sphere of tourism enabled these objects to acquire meanings and associations separated from their manufacture and use in the prisons and camps. Often these items were kept in family collections and became heirlooms representative of specific family members and histories. As these objects have been separated temporally from their confinement origins, they have become valued as historical souvenirs and embedded within cultural heritage displays and constructions of national identities. These diverse narratives and trajectories have meant that these objects are complex and often hold multiple meanings for a range of people. As all of these artefacts are not only symbolic of the personal experiences of prisoners in the prison landscape, but are also integrated into local constructions of community and identity and international histories of confinement, this study will utilise a multi-disciplinary approach to reveal the variety of meanings that these objects hold for different people. This study will examine these objects as one collection of confinement art and identify how they were made, sold, collected, and displayed, in order to create a picture of Bermuda confinement art over time. As the artefacts are created within very different time periods and associated with a variety of confinement settings and locations, the cultural and social implications of these artefacts will be examined in order to chart changing perceptions of confinement and confinement art in Bermuda. Thus, this study aims to enable a greater understanding of the importance of confinement art to prisoners and non-prisoners, and the role that confinement art plays within constructions of individual, community, and national identities.
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Glasspool, Anne Fiona. "Larval distribution, population structure and gene flow in Bermuda's reef fish." Thesis, Cardiff University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387188.
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Hurley, Robert K., Steven E. Kremer, and Joseph T. Jimmerson. "Establishment of a NASA Temporary Tracking Station on Bermuda's Coopers Island." International Foundation for Telemetering, 2011. http://hdl.handle.net/10150/595753.
Full textAbstract:
ITC/USA 2011 Conference Proceedings / The Forty-Seventh Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2011 / Bally's Las Vegas, Las Vegas, NevadaThe National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC), Wallops Flight Facility (WFF), Research Range Services (RRS) Program supports NASA's mission objectives by providing tracking, telemetry, meteorological, optical, and command and control services for flight vehicles including orbital and suborbital rockets. The RRS Program's mobile range instrumentation includes telemetry, radar, command and power systems. These mobile assets are used as needed to supplement instrumentation at existing ranges, or to establish a temporary range ensuring safety and collection of data in a remote location where no other range instrumentation exists. This complement of mobile systems can be deployed to provide complete range capabilities at remote locations around the world. Just 100 miles up the coast from where the Wright brothers first flew their airplane at Kitty Hawk, North Carolina, Orbital Sciences Corporation is planning to launch its new Commercial Orbital Transportation Services (COTS) system from the Mid-Atlantic Regional Spaceport (MARS), located at NASA GSFC's WFF. Orbital's COTS system design is based on the new Taurus II rocket with a liquid oxygen (LOX)/kerosene (RP-1) first stage powered by two Aerojet AJ-26 engines. The Taurus II second stage is ATK's Castor 30 solid propellant motor derived from their flight proven Castor 120. The spacecraft, known as Cygnus, is derived from Orbital's heritage DAWN and STAR spacecraft projects and International Space Station cargo carriers. The Program is driven by the retirement of the space shuttle, and the United States lacking domestic capability to send crew and cargo to the International Space Station. As a consequence, NASA faces a cargo resupply shortfall of 40 metric tons (approximately 88,000 pounds) between 2011 and 2015 that cannot be met by international partners' space vehicles. Bermuda has played an important role in the United States space program since the 1960s. The former NASA Tracking Station on Bermuda's Coopers Island had range safety systems for command and control, and Missile Instrumentation Precision Radars (MIPRs) providing exact vehicle position and slaving for command destruct systems. Telemetry systems supported scientific spacecraft and manned space flight (i.e., Apollo, Space Transportation System [STS], and Spacelab) with high gain antenna systems. With the advent of the Tracking and Data Relay Satellite System and changes in the STS flight envelope in the late 1990s, NASA no longer 2 required Bermuda and deactivated the site. NASA instrumentation was removed in early 2000, and the property returned to the Government of Bermuda (GoB). This paper defines the process undertaken to secure an agreement with the GoB to establish a temporary tracking site and describes the technical approach and analysis conducted that justifies bringing Bermuda back as a critical NASA tracking site as it was during the Apollo era and the early years of the Space Shuttle. The RRS Program plans to support the COTS Program with a mobile launch range in Bermuda.
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Rwexana, Kwaku. "Pricing a Bermudan option under the constant elasticity of variance model." Master's thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/27374.
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This dissertation investigates the computational efficiency and accuracy of three methodologies in the pricing of a Bermudan option, under the constant elasticity of variance (CEV) model. The pricing methods considered are the finite difference method, least squares Monte Carlo method and recursive marginal quantization (RMQ) method. Specific emphasis will be on RMQ, as it is the most recent method. A plain vanilla European option is initially priced using the above mentioned methods, and the results obtained are compared to the Black-Scholes option pricing formula to determine their viability as pricing methods. Once the methods have been validated for the European option, a Bermudan option is then priced for these methods. Instead of using the Black-Scholes option pricing formula for comparison of the prices obtained, a high-resolution finite difference scheme is used as a proxy in the absence of an analytical solution. One of the main advantages of the recursive marginal quantization (RMQ) method is that the continuation value of the option is computed at almost no additional computational cost, this with other contributing factors leads to a computationally efficient and accurate method for pricing.
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Evans, C. R. "Population dynamics and ecology of spiny lobsters Panulirus argus and P. guttatus at Bermuda." Thesis, University of Southampton, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234693.
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Lamprecht, Renate Luise. "Characterization of two plant rhabdoviruses not previously reported in South Africa." Diss., Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-06082009-154402/.
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Oliveira, Mauricio Roberto de 1988. "Composição de substrato na qualidade de campo esportivo de grama bermuda /." Botucatu, 2016. http://hdl.handle.net/11449/147109.
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Orientador: Dirceu Maximino FernandesCoorientador: Caroline de Moura D'Andrea Mateus
Banca: Roberto Lyra Villas Bôas
Banca: Héli Grassi Filho
Banca: Clarice Backes
Banca: Claudinei Paulo de Lima
Resumo: Para que um campo esportivo seja adequado ele precisa ter características desejáveis de qualidade do gramado, permitir o desempenho do atleta, drenagem de água e durabilidade. Dentre as três camadas que formam o campo atlético (sub-base, base e grama), a base é a responsável pelo desenvolvimento radicular da grama e tem influência direta sob os quatro fatores descritos acima. A construção da base dos campos esportivos tem sido baseada nas recomendações da USGA (United States Golf Association) para "greens" de campos de golfe, tendo como principal componente a areia, devido sua alta capacidade de drenagem. Porém, as características desejáveis podem ser variáveis de acordo com a sub base utilizada, que pode alterar propriedades químicas e físicas do solo refletindo na qualidade, desempenho e durabilidade do gramado. O objetivo deste trabalho foi definir a melhor composição da base para os campos esportivos de grama bermuda e gerar informações técnicas que contribuam na construção dos campos de futebol brasileiros. Foram avaliados os seguintes tratamentos: T1: Areia; T2: Areia (80%) + Turfa (20%); T3: Areia (90%) + Solo argiloso (10%); T4: Areia (70%) + Solo arenoso (30%). O delineamento experimental utilizado foi em blocos casualizados, composto por 4 tratamentos e 3 repetições, tendo cada parcela a dimensão de 3 x 4 m. Durante um ano foram realizadas as seguintes avaliações: tração superficial dos gramados, velocidade de infiltração de água na base, resistência mecânica da bas...
Abstract: An appropriate athletic field must have desirable characteristics of quality, performance, durability and drainage. Among the three layers that make up the athletic field (sub-base, base and grass), the base or root zone is responsible for grass root development and has direct influence on the four factors described above. The construction of the root zone of athletic fields has been based on the recommendations of the USGA (United States Golf Association) to greens of golf courses, the main component sand, due to its high drainage capacity, however there may be loss of quality, performance and durability. The objective of this study was define the best composition of the root zone for bermuda grass athletic fields and generate technical information that contribute to the construction of Brazilian soccer fields. We evaluated the following treatments: T1: pure sand, T2: standard USGA (80% sand and 20% peat), T3: pure sand + native clay soil and T4: native sandy soil + pure sand. The experimental design was a randomized block consisting of 4 treatments and 3 replications, each plot size of 6 m x 5 m. During one year were held the following assessments: surface traction, speed of water infiltration into the soil, mechanical strength of the substrate penetration, root depth, substrate humidity, concentration of nutrients in the leaf and chemical analysis of the substrate. The results showed that the exclusive use of sand at the substrate of the composition not show differences over the sand mixtures with peat and soil for the parameters: mechanical strength of the substrate penetration, surface traction ...
Doutor
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Degano, Roselynn. "Aging in Bermuda, an examination of the double jeopardy hypothesis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0005/MQ45507.pdf.
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Bean, Jolene Dagmar. "Making haste slowly : a study of women's suffrage in Bermuda." Thesis, University of Warwick, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396961.
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Gibson, Wanda. "The educational lifeworld of resilient students : phenomenological research in Bermuda." Thesis, University of Exeter, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437468.
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Bellhorn, Margaret Mary. "A Comparative Approach to Slave Life on Bermuda, 1780-1834." W&M ScholarWorks, 1992. https://scholarworks.wm.edu/etd/1539625720.
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Amaral, João André do [UNESP]. "Condições de luminosidade e substratos no desenvolvimento de grama bermuda." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/138896.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Gramados são parte fundamental na composição de campos esportivos. Alguns aspectos devem ser levados em consideração no processo de escolha da espécie a ser utilizada, como a utilização do gramado (tolerância ao pisoteio), manejo do gramado, condições físico-químicas do solo e tolerância ao sombreamento. Com a realização de eventos esportivos no país, houve a necessidade de reformas e modernizações das arenas de futebol; dentre as alterações na arquitetura está a implantação de coberturas nos estádios, o que resultou em uma redução da luminosidade, afetando o desenvolvimento normal do gramado. Objetivou-se com o experimento avaliar a influência da luminosidade e de diferentessubstratos no desenvolvimento de grama bermuda (Cynodon dactylon x C. transvaalensis). Foi conduzido no Campus II - UNESP, de Ilha Solteira – SP, em esquema fatorial 5 x 4 (substratos x luminosidades), em delineamento inteiramente casualizado com 20 tratamentos e 3 repetições. Os substratos foram: S1 = Solo, S2 = Solo + areia (2:1), S3 = Solo + matéria orgânica (1:1), S4 = Solo + matéria orgânica + areia (2:1:1) e S5 = Matéria orgânica + areia (3:1), em 4 condições de luminosidade (pleno sol, 30%, 50%, 80%), durante os meses de março a outubro de 2014. Foram avaliados: altura, massa fresca e massa seca das aparas da grama, teor de clorofila e radiação solar. Concluiu-se que: o sombreamento interferiu no pleno desempenho da grama bermuda, sendo que esta tolera sombreamento intermediário (30% e 50%), e os substratos que contém maiores teores de matéria orgânica submetidos ao sombreamento tiveram o desempenho prejudicado.
Lawn is the main part of sports fields and landscaping projects, it is difficult to find a landscaping project on which the lawn is not present. Some aspects must be considered when choosing the species or cultivar, as tolerance to treading, need for irrigation, the soil physic and chemical conditions and shade tolerance. Due to the realization of the sports events in the following years, there was a need for reforms and modernization of football arenas; among the architectural changes is the implantation of roof on the arenas, resulting in a reduction in light, affecting the normal development of lawn. The aim of the presentstudy wasto evaluate the light and differentsubstrates influence in the development of Bermudagrass. The study has been conducted in Campus II - UNESP Campus of Ilha Solteira - SP, in a factorial design 5x4 (substrates x light), in a completely randomized design with 20 treatments and 3 repetitions. The treatments: substrates - S1 = Soil, S2 = Soil + sand (2:1), S3 = Soil + organic matter (1:1), S4 = Soil + organic matter + sand (2:1:1) and S5 = Organic matter + sand (3:1), in 4 lighting conditions (full sun, 30%, 50%, 80%), during the months of March to October 2014. It has been evaluated: shoot height, shoot fresh and dry matter, chlorophyll content in the leaves, solar. Conclusion: shade interfered in the full performance of bermudagrass, the grass tolerates intermediate shading (30% and 50%) and the substrates that has most quantities of organic matter in its composition and submitted to shade had the damaged performance.
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Amaral, João André do. "Condições de luminosidade e substratos no desenvolvimento de grama bermuda /." Ilha Solteira, 2016. http://hdl.handle.net/11449/138896.
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Orientador: Regina Maria Monteiro de CastilhoResumo: Gramados são parte fundamental na composição de campos esportivos. Alguns aspectos devem ser levados em consideração no processo de escolha da espécie a ser utilizada, como a utilização do gramado (tolerância ao pisoteio), manejo do gramado, condições físico-químicas do solo e tolerância ao sombreamento. Com a realização de eventos esportivos no país, houve a necessidade de reformas e modernizações das arenas de futebol; dentre as alterações na arquitetura está a implantação de coberturas nos estádios, o que resultou em uma redução da luminosidade, afetando o desenvolvimento normal do gramado. Objetivou-se com o experimento avaliar a influência da luminosidade e de diferentessubstratos no desenvolvimento de grama bermuda (Cynodon dactylon x C. transvaalensis). Foi conduzido no Campus II - UNESP, de Ilha Solteira – SP, em esquema fatorial 5 x 4 (substratos x luminosidades), em delineamento inteiramente casualizado com 20 tratamentos e 3 repetições. Os substratos foram: S1 = Solo, S2 = Solo + areia (2:1), S3 = Solo + matéria orgânica (1:1), S4 = Solo + matéria orgânica + areia (2:1:1) e S5 = Matéria orgânica + areia (3:1), em 4 condições de luminosidade (pleno sol, 30%, 50%, 80%), durante os meses de março a outubro de 2014. Foram avaliados: altura, massa fresca e massa seca das aparas da grama, teor de clorofila e radiação solar. Concluiu-se que: o sombreamento interferiu no pleno desempenho da grama bermuda, sendo que esta tolera sombreamento intermediário (30% e 50%), e os s... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Lawn is the main part of sports fields and landscaping projects, it is difficult to find a landscaping project on which the lawn is not present. Some aspects must be considered when choosing the species or cultivar, as tolerance to treading, need for irrigation, the soil physic and chemical conditions and shade tolerance. Due to the realization of the sports events in the following years, there was a need for reforms and modernization of football arenas; among the architectural changes is the implantation of roof on the arenas, resulting in a reduction in light, affecting the normal development of lawn. The aim of the presentstudy wasto evaluate the light and differentsubstrates influence in the development of Bermudagrass. The study has been conducted in Campus II - UNESP Campus of Ilha Solteira - SP, in a factorial design 5x4 (substrates x light), in a completely randomized design with 20 treatments and 3 repetitions. The treatments: substrates - S1 = Soil, S2 = Soil + sand (2:1), S3 = Soil + organic matter (1:1), S4 = Soil + organic matter + sand (2:1:1) and S5 = Organic matter + sand (3:1), in 4 lighting conditions (full sun, 30%, 50%, 80%), during the months of March to October 2014. It has been evaluated: shoot height, shoot fresh and dry matter, chlorophyll content in the leaves, solar. Conclusion: shade interfered in the full performance of bermudagrass, the grass tolerates intermediate shading (30% and 50%) and the substrates that has most quantities of organic matte... (Complete abstract click electronic access below)
Mestre
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Gadio, Harouna. "The Impact of FutureCare on the Well-Being of Bermuda." Scholarship @ Claremont, 2019. https://scholarship.claremont.edu/cmc_theses/2083.
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The Bermuda health care system involves predominately private insurance based coverage. With private premiums, healthcare costs continually increase. Additionally, the Public Health System financing for those disproportionately affected by the high costs offer little support. The study examines the impact of a government subsidized health care policy implemented in 2009 on the health outcomes of the population. Specifically, the policy targets senior citizens aged 65 and older who often face disadvantaged costs in meeting the needs of their health. Chappell and Penning (1996) demonstrate the role of economic factors as a significant influence on health service utilizations. Using evidence from Chappell and Penning, the study provides a fixed effect regression analysis on health conditions before and after implementation of the program. Results reveal that senior citizens are significantly more likely to report having better health after the policy was implemented. Findings imply that increased government subsidized programs, such as FutureCare, have a significantly beneficial impact on the welfare of individuals in Bermuda.
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Segura, Bermudez Jairo Alonso [Verfasser], and Christian [Akademischer Betreuer] Franzke. "On the Empirical Orthogonal Functions representation of the ocean circulation / Jairo Alonso Segura Bermudez ; Betreuer: Christian Franzke." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2020. http://d-nb.info/1214370209/34.
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SABA, RAUL PHILLIP. "POLITICAL DEVELOPMENT AND DEMOCRACY IN PERU: CONTINUITY WITHIN CHANGE AND CRISIS (BELAUNDE, VELASCO, MORALES-BERMUDEZ, COMPARATIVE POLITICS)." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188128.
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This study examines the development of Peruvian politics and government from 1962 to 1985. It describes the programs and policies of the interim military junta (1962-63), the Velasco (1968-75) and Morales Bermudez (1975-80) phases of the Armed Forces Revolution, and the two Belaunde administrations (1963-68, 80-85) and posits a basic commonality of goals and continuity of reforms despite differences in policy orientation and emphasis. The study begins with a contextual discussion of the ideological underpinnings of contemporary Peruvian political reform, establishing linkages to the revolutionary thought of Gonzalez Prada, Mariategui, and Haya de la Torre, as well as to the more moderate reformist positions of Víctor Andres Belaunde, Bustamante y Rivero, and Basadre. Continuing with an in-depth historical analysis of the period under study, the contextual discussion demonstrates the underlying continuities of political reform in the programs and goals of the several regimes. The focus of the study then shifts to an analysis of the reformist and democratic evolution of the Peruvian polity. It analyzes the central government's budgets according to administrative, social, and economic categories. The analysis demonstrates all the governments since 1962 pursued generally common reformist policies and none reversed the progressive trend set. An analysis of Peruvian foreign policy reorientations vis-a-vis the United States, the Socialist bloc, and the Third World shows that the progressive changes and reforms begun under one administration continued to evolve and crystalize under the policies of succeeding governments. The point is highlighted by an analysis of Peru's voting pattern in the United Nations General Assembly, where divergence with U.S. policy became greater with each change in government after 1963. Finally, in looking to overall political development as political modernization and institutionalization, the analysis shows that Peru has undergone progressive and incremental changes heightening political awareness and participation and thus strengthening its potential for political democracy and social development. Each government since 1962 made substantial, if varying, contributions to the increase of political legitimacy and stability within the polity. In sum, a continuum of political development prevailed.
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Zanon, Maurício Ercoli [UNESP]. "Desenvolvimento de grama-esmeralda, grama-bermudas 'Tifway 419' e 'Celebration' submetidas a aplicação de reguladores de crescimento." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/136722.
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000859912.pdf: 478238 bytes, checksum: 16bf19b687231d0586e8ae04689b5bc5 (MD5)A implantação e manejo de gramados esportivos está entre as atividades agrícolas de mais alta tecnologia. Do ponto de vista ornamental, os gramados constituem um dos componentes paisagísticos mais importantes. A sua manutenção constante torna-se uma operação onerosa e muitas vezes, as operações de poda podem oferecer riscos de acidentes. Desta forma, é muito importante a busca de alternativas que visem diminuir a frequência das podas e uma delas é o uso de reguladores de crescimento. Sendo assim, este trabalho teve como objetivo avaliar a eficiência de doses dos reguladores de crescimento, paclobutrazol e trinexapac-ethyl, no crescimento vegetativo de grama-esmeralda (Zoysia japonica), grama-bermudas 'Tifway 419' (Cynodon dactylon x Cynodon transvaalensis) e grama-bermudas 'Celebration' (Cynodon dactylon) em condições de campo como alternativa ao manejo tradicional realizado por meio de podas semanais. O trabalho foi realizado em uma área de produção comercial de grama localizada na Fazenda São José, município de Jardinópolis/SP, em 2013. Foi realizado um experimento para cada grama e em todos, o delineamento experimental foi o de blocos ao acaso; foram oito tratamentos (testemunha 1: sem poda; testemunha 2: poda semanal; três doses de paclobutrazol: 70, 140 e 280 g ha-1; três doses de trinexapac-ethyl: 100, 200 e 400 g ha-1) e quatro repetições. Foi realizada uma única aplicação dos produtos. Foram efetuadas avaliações aos 15, 30, 45 e 60 dias após a aplicação sendo avaliadas altura (cm); massa seca da parte aérea; Índice de Cor Verde Escuro (ICVE) e qualidade (notas). Verificou-se que o paclobutrazol, nas doses testadas, não foi efetivo para suprimir o crescimento de grama-esmeralda e também não afetou a qualidade do gramado; ao contrário, trinexapac-ethyl foi efetivo na supressão do crescimento desta grama, principalmente na dose de 400 g i.a. ha-1, que mostrou eficiência de redução...
The implementation and management of sports fields is among the agricultural activities of high technology. The ornamental point of view, the lawns are one of the most important landscape components. Its constant maintenance becomes an expensive operation and often mowing operations can offer the risk of accidents. Therefore, it is very important to search for alternatives for reducing the frequency of mowing and one of them is the use of growth regulators. Thus, this study had as objective to evaluate the efficiency of doses of growth regulators, Paclobutrazol and trinexapac-ethyl on the vegetative growth of zoysiagrass (Zoysia japonica), bermudasgrass 'Tifway 419' (Cynodon dactylon x Cynodon transvaalensis) and bermudasgrass 'Celebration' (Cynodon dactylon) under field conditions as an alternative to traditional management performed through cuts weekly. The experiment was conducted in a commercial production area of grass located in the Fazenda São José, municipality of Jardinópolis / SP, in the period from October to December 2013. The experimental design was a randomized block; there were eight treatments (control 1: no pruning; witness 2: pruning weekly, three Paclobutrazol doses: 70, 140 and 280 g ha-1; three trinexapac-ethyl: 100, 200 and 400 g ha-1). It was performed a single application of the product and the irrigation was conducted followed the technique used in the company which allocated the area for this experiment. Ratings were made at 15, 30, 45 and 60 days after application being evaluated height (cm); dry mass of shoots; dark green color index (ICVE) and quality (notes). It was found that the Paclobutrazol at the dosages tested, was not effective to suppress the zoysiagrass growth and did not affect the quality of the lawn.On the contrary, trinexapac-ethyl was effective in suppressing growth of this grass, mainly in the dose of 400 g ai ha-1, which showed a decrease in growth efficiency up to 45 days ...