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Dissertations / Theses on the topic 'Global and regional models'

Author: Grafiati

Published: 10 March 2023

Last updated: 31 July 2025

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1

Didone, Marco. "Performance and error diagnosis of global and regional NWP models /." Zürich : ETH, 2006. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=16597.

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2

Nogherotto, Rita. "A numerical framework for multiple phase cloud microphysics in regional and global atmospheric models." Doctoral thesis, Università degli studi di Trieste, 2015. http://hdl.handle.net/10077/11140.

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2012/2013<br>The Regional Climate Model RegCM4 (Giorgi et al., 2012) treats nonconvective clouds and precipitation following the Subgrid Explicit SUBEX param- eterization (Pal et al., 2000). This scheme includes a simple representation for the formation of raindrops and solves diagnostically the precipitation: rain forms when the cloud water content exceeds the autoconversion threshold, that is an increasing function of the temperature and assumes different values over the land and over the ocean to account for the difference in number of the cloud condensation nuclei over continental and ocea

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3

Rawat, Arshad. "Numerical modelling of infragravity waves : from regional to global scales." Thesis, Brest, 2015. http://www.theses.fr/2015BRES0016/document.

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Les vagues de surface générées par le vent, généralement appelées houle ou mer de vent, sont omniprésents à la surface de I'océan. Ils sont et ont des périodes variant entre 2 et 25 secondes et de longueur d'onde variant de quelques mètres à plusieurs centaines de mètres. Il existe aussi des ondes plus longues et, à plus basse fréquence appelés ondes infragravitaires (IG), qui sont associés aux vagues courtes, générées par le vent. Ces ondes ont des périodes dominantes comprise entre 30 secondes et 10 minutes et, quand ils se propagent librement, avec des longueurs d'ondes pouvant atteindre pl

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4

Martí, Donati Alejandro. "On-line coupling of volcanic ash and aerosols transport with global and regional meteorological models." Doctoral thesis, Universitat Politècnica de Catalunya, 2017. http://hdl.handle.net/10803/456043.

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Explosive volcanic eruptions can eject large quantities of particulate matter that, along with other aerosol droplets and trace gases, are carried upwards into the atmosphere by the buoyant eruption column and then dispersed by winds aloft. The presence in the atmosphere of volcanic ash is a sporadic yet important factor that can threaten human health, affect the urban built environment, disrupt aerial navigation and, for very large eruptions, alter both atmospheric composition and chemistry. Once volcanic ash is injected into the atmosphere, it can be transported over great distances, even ci

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5

Perkins, Sarah Elizabeth Biological Earth &amp Environmental Sciences Faculty of Science UNSW. "Evaluation and 21st century projections of global climate models at a regional scale over Australia." Awarded By:University of New South Wales. Biological, Earth & Environmental Sciences, 2010. http://handle.unsw.edu.au/1959.4/44906.

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This thesis explores the ability of global climate models (GCMs) to simulate observed conditions at regional scales by examining probability density functions (PDFs) of daily minimum temperature (Tmin), maximum temperature (Tmax) and precipitation (P). Two new measures of model skill are proposed using PDFs of observed and modelled data. The first metric (Sscore) compares the amount of overlap between the two PDFs. The second metric (Tailskill) is the weighted difference between the PDF tails, where extreme events are represented. The resulting measures of skill are used to differentiate, at a

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6

Meque, Arlindo Oliva. "Investigating the link between southern African droughts and global atmospheric teleconnections using regional climate models." Doctoral thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/16686.

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Includes bibliographical references<br>Drought is one of the natural hazards that threaten the economy of many nations, especially in Southern Africa, where many socio-economic activities depend on rain-fed agriculture. This study evaluates the capability of Regional Climate Models (RCMs) in simulating the Southern African droughts. It uses the Standardized Precipitation-Evapotranspiration Index (SPEI, computed using rainfall and temperature data) to identify 3-month droughts over Southern Africa, and compares the observed and simulated drought patterns. The observation data are from the Clima

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7

Volta, Chiara. "Carbon cycling at the estuarine interface: a new model for regional and global scale assessment." Doctoral thesis, Universite Libre de Bruxelles, 2016. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/228693.

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The overarching goal of this thesis is to develop a diagnostic and predictive model to quantify the estuarine CO2 dynamics across scales – from catchment to the globe – using an approach that explicitly resolves the strong physical and biogeochemical gradients typically observed in these systems.Chapter 1 provides fundamental definitions and descriptions of estuaries, as well as an assessment of their role in the global carbon cycle. It also raises the specific objectives and research questions tackled in the present study. Chapter 2 presents the rationale behind the novel modelling approach (

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8

Barbosa, Bruno Tebaldi de Queiroz. "Modelling brazilian regional formal labor market using global var approach." reponame:Repositório Institucional do FGV, 2017. http://hdl.handle.net/10438/18669.

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Moubarak, Roger. "Wind Speed Prediction using Global and Regional Based Virtual Towers in CFD Simulations." Thesis, Högskolan på Gotland, Institutionen för kultur, energi och miljö, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-217093.

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Wind farm assessment is a costly and time consuming process when it is planned by traditional methods such as a met mast. Therefore, new models have been established and used for the wind farm assessment to ease the process of wind farm planning. These models are Global-regional models which add to cost efficiency and time saving. There are several types of these models in the market that have different accuracy. This thesis discusses and uses in simulations Global – regional model data outputs from European Centre for Medium-Range Weather Forecasts (ECMWF), Weather Research Forecast WRF and E

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10

Endris, Hussen Seid. "Assessing the representation of teleconnective drivers of rainfall over Eastern Africa in global and regional climate models and projected future changes." Doctoral thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/24454.

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Climate variability is an important characteristic of regional climate, and a subject to significant control from teleconnections. An extended diagnosis of the capacity of climate models to represent remote controls of regional climate (teleconnections) is vital for assessing model-based predictions of climate variability, understanding uncertainty in climate projections and model development. An important driver of climate variability for Africa is the sea surface temperature (SST) - rainfall teleconnection, such as the El Ni˜no/Southern Oscillation (ENSO) and Indian Ocean Dipole (IOD). In th

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11

Zaveri, Rahul A. "Development and Evaluation of a Comprehensive Tropospheric Chemistry Model for Regional and Global Applications." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30673.

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Accurate simulations of the global radiative impact of anthropogenic emissions must employ a tropospheric chemistry model that predicts realistic distributions of aerosols of all types. The need for a such a comprehensive yet computationally efficient tropospheric chemistry model is addressed in this research via systematic development of the various sub-models/mechanisms representing the gas-, aerosol-, and cloud-phase chemistries. The gas-phase model encompasses three tropospheric chemical regimes - background and urban, continental rural, and remote marine. The background and urban

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12

Shawki, Dilshad. "South Asian precipitation response to regional sulphur dioxide emissions in a global climate model." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/51093.

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Aerosols have an inhomogeneous distribution across the globe because of their short lifetimes in the atmosphere. They impose a localised radiative forcing close to their emission source that is effective at driving circulation changes and influencing the hydrological cycle. One such type of circulation that has recently been suggested to be affected by aerosols is the South Asian summer monsoon, which provides 80% of annual rainfall to over a billion people during the summer months. I used the UK Met Office HadGEM3 coupled global climate model to investigate, for the first time, the centennial

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Camargo, Paulo de Oliveira. "Modelo regional da ionosfera para uso em posicionamento com receptores GPS de uma freüência." reponame:Repositório Institucional da UFPR, 1999. http://hdl.handle.net/1884/48840.

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Orientadores: João Francisco Galera Monico, Luiz Danilo Damasceno Ferreira<br>Tese (doutorado) - Universidade Federal do Paraná, Setor de Ciencias da Terra, Programa de Pós-Graduaçao em Ciências Geodésicas<br>Resumo: A maior fonte de erro no posicionamento e navegação com GPS, na ausência da disponibilidade seletiva (SA), é devida à refração ionosférica. Seu efeito causa um atraso no código e avanço na fase, de uma mesma quantidade. A magnitude desse erro é afetada pelo movimento diurno do sol, estação do ano, ciclo solar, localização geográfica do receptor e campo magnético da Terra. Com

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14

Quispe, David Pareja. "Experimentos de sensibilidade sobre o Brasil em cenários de aquecimento global utilizando modelo climático regional." Instituto Nacional de Pesquisas Espaciais (INPE), 2013. http://urlib.net/sid.inpe.br/mtc-m19/2013/06.12.18.43.

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Neste trabalho foi investigado o impacto do desmatamento e aquecimento global futuro no clima e distribuição dos biomas sobre América do Sul usando um modelo climático regional (RCM). Para este propósito, o modelo RegCM4 foi rodado forçado com dados da reanálise ERA-Interim para o período de 1989-1999 (11 anos) (experimento controle, CTRL). Uma metodologia para gerar pseudo-cenários de mudança climática com um RCM foi utilizada. Três experimentos de sensibilidade foram realizados: pseudo-aquecimento (AQ), desmatamento (DMT), e pseudo-aquecimento + desmatamento (AQ+DMT). Para comparação o RegCM

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15

Lenz, Tobias. "The EU's inescapable influence on global regionalism." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:aed07c5f-37a3-4b05-a57b-2ac85cbc12d0.

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This thesis examines the EU's influence on regional cooperation in the Association of Southeast Asian Nations (ASEAN), Mercosur in South America and the Southern African Development Community (SADC) by drawing on concepts from diffusion studies. It argues that conventional perspectives have tended to view different cases of regionalism as independent phenomena reflecting particular structural, institutional or ideational conditions, mainly internal to the respective region itself. I propose instead to conceive of regional organisations as asymmetrically interdependent, in that the EU as the mo

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Singh, Raj Shekhar. "Hyper-Resolution Global Land Surface Model at Regional-to-Local Scales with observed Groundwater data assimilation." Thesis, University of California, Berkeley, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3686454.

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<p> Modeling groundwater is challenging: it is not readily visible and is difficult to measure, with limited sets of observations available. Even though groundwater models can reproduce water table and head variations, considerable drift in modeled land surface states can nonetheless result from partially known geologic structure, errors in the input forcing fields, and imperfect Land Surface Model (LSM) parameterizations. These models frequently have biased results that are very different from observations. While many hydrologic groups are grappling with developing better models to resolve th

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Bechlin, André Ricardo. "Análise multidimensional do processo integracionista do Mercado Comum do Sul." Universidade Estadual do Oeste do Parana, 2010. http://tede.unioeste.br:8080/tede/handle/tede/2272.

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Made available in DSpace on 2017-07-10T18:33:48Z (GMT). No. of bitstreams: 1 Andre Ricardo Bechlin.pdf: 1893283 bytes, checksum: a7f2ccf93b5f041e48cad5f54ae2c859 (MD5) Previous issue date: 2010-05-26<br>This research is mainly aimed to assess from a multidimensional perspective that considers varying political, social, economic and technological integration of the stages of the Southern Common Market (MERCOSUR) in 1998 and 2008. The theoretical framework includes topics of the theory of regional economic integration; historical process of economic integration in Latin America; history of the

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18

Voulgarakis, Apostolos. "Studies of tropospheric composition variability at global and regional scales using a three-dimensional chemical transport model." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611237.

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19

Pika, Philip. "Exploring the regional and global patterns in organic matter reactivity and its influence on benthic biogeochemical dynamics." Doctoral thesis, Universite Libre de Bruxelles, 2020. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/305204.

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Marine sediments are a key component of the global carbon cycle and climate system. They host one of the largest carbon reservoirs on Earth, provide the only long-term sink for atmospheric CO2, recycle nutrients and represent the most important climate archive. Early diagenetic pro- cesses in marine sediments are thus central to our understanding of past, present and future biogeochemical cycling and climate. Because all early diagenetic processes can be directly or indirectly linked back to the degradation of organic matter (OM), advancing this understand- ing requires disentangling the diffe

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20

Gaika, Lindiwe. "Adequacy of existing protected areas in conserving biodiversity at global and regional levels in relation to socio-economic conditions." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_9646_1254305009.

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<p>At a meeting of worl leaders at the United Nations Conference on Environment and Development in Rio de Janeiro in 1992, it was recognized that because of the tremendous increase in the size of the global populations (which now is estimated to exceed six billion), there were concerns that global biodiversity was at risk if insufficient land were not put aside for conservation within formal Protected Areas. The primary aim of this study was to compare investment in Protected Areas in relation to socio-economic conditions at global and regional levels.</p>

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21

Muerth, Markus. "A soil temperature and energy balance model for integrated assessment of Global Change impacts at the regional scale." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-88109.

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22

Rout, Ullash Kumar. "Modelling of endogenous technological learning of energy technologies - an analysis with a global multi-regional energy system model." [S.l. : s.n.], 2007. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-32266.

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23

Burandt, Thorsten [Verfasser], Christian von [Akademischer Betreuer] Hirschhausen, Ruud [Akademischer Betreuer] Egging-Bratseth, et al. "Decarbonizing the global energy system : modelling global and regional transformation pathways with multi-sector energy system models / Thorsten Burandt ; Gutachter: Joachim Müller-Kirchenbauer, Maria Lavrutich, Christian Breyer ; Christian von Hirschhausen, Ruud Egging-Bratseth, Pao-Yu Oei." Berlin : Technische Universität Berlin, 2021. http://d-nb.info/1238686982/34.

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24

Fischer, Manfred M., Florian Huber, and Michael Pfarrhofer. "The regional transmission of uncertainty shocks on income inequality in the United States." WU Vienna University of Economics and Business, 2019. http://epub.wu.ac.at/6774/1/2018%2D01%2D10_FischerHuberPfarrhofer_Inequality.pdf.

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This paper explores the relationship between household income inequality and macroeconomic uncertainty in the United States. Using a novel large-scale macroeconometric model, we shed light on regional disparities of inequality responses to a national uncertainty shock. The results suggest that income inequality decreases in most states, with a pronounced degree of heterogeneity in terms of the dynamic responses. By contrast, some few states, mostly located in the Midwest, display increasing levels of income inequality over time. Forecast error variance and historical decompositions highl

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Cardoso, Geraldo Magela. "Uso de um modelo regional de clima-vegetação para estimativa dos componentes da evapotranspiração sob condições climáticas atuais e futuras de aquecimento global." Universidade Federal de Viçosa, 2009. http://locus.ufv.br/handle/123456789/5235.

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Made available in DSpace on 2015-03-26T13:50:03Z (GMT). No. of bitstreams: 1 texto completo.pdf: 2150977 bytes, checksum: 3411fdf85f685253ef23effd25ee9315 (MD5) Previous issue date: 2009-07-24<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This study objective was to analyze the space distribution of components of the reference evapotranspiration (ETo) in Brazil and afterwards the weather variability by applying the technique of harmonic analysis, given for this was initially an analysis of variance, phase and amplitude for the present time (1980-2000), subsequently made a

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Badia, i. Moragas Alba. "Implementation, development and evaluation of the gas-phase chemistry within the Global/Regional NMMB/BSC Chemical Transport Model (NMMB/BSC-CTM)." Doctoral thesis, Universitat Politècnica de Catalunya, 2014. http://hdl.handle.net/10803/284886.

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Air pollution is a serious issue that affects human health, the environment and the climate at levels from local to global scales. The main processes that affect air pollution levels are: emissions, chemistry, transport and deposition. Air quality models (AQMs) are mathematical tools that describe relevant physicochemical processes and quantify concentrations of air pollutants. Therefore, AQMs can be used to develop and detail measures taken to reduce air quality problems. Several AQMs are currently used and they have undergone a rapid evolution in recent years. Computer capacity has increase

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27

Sheldrick, William Francis. "The development of a nutrient audit model for estimating time-series soil nutrient balances at the national, regional and global scales." Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394725.

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28

Jiang, Wei. "A study of the relationship between forest distribution and environmental variables using information theory: A regional-scale model for predicting forest response to global warming." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/9810.

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Many studies on forest or vegetation response to global warming have been done using the gap model or empirical models. Thus far, there is no good regional model allowing to predict forest change at an intermediate scale. In this study, we have developed a model of this type, called Knowledge Base Forest Model (KBFM), using an information analytical tool (P scEGASE) based on information theory. Using this model and data from the Canadian Climatic Centre general circulation model, we could predict the future distribution of forest types in the research area: the Province of Manitoba. The study

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Tang, Chao. "Model estimations of possible climate changes of surface solar radiation at regional scales over Southern Africa and the South West Indian Ocean." Thesis, La Réunion, 2017. http://www.theses.fr/2017LARE0055/document.

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Les variations du rayonnement solaire en surface (SSR) peuvent avoir un impact significatif sur divers aspects du système climatique, et notamment sur le développement socio-économique d’un pays. Pour identifier les impacts possibles du changement climatique sur le rayonnement solaire en surface à l'échelle régionale (~ 50 km) en Afrique australe jusqu'à la fin du 21ème siècle, on a analysé les données mensuelles produites dans le cadre du projet CORDEX-Afrique sur la période 1979-2099. Ces données sont issues des sorties de 5 modèles régionaux de climat (RCM) forcés par 10 modèles globaux de

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Bador, Margot. "Les changements d'extrêmes de température en Europe : records, canicules intenses et influence anthropique." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30024/document.

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En Europe, l'augmentation des températures moyennes de surface de l'air projetée au cours du 21ème siècle s'accompagne d'une augmentation des extrêmes chauds et d'une diminution des extrêmes froids. Dans les dernières décennies, des indices témoignent déjà de ces changements, comme l'établissement récurrent de nouveaux records de chaleur ou l'augmentation des canicules. Nous étudions l'évolution des extrêmes journaliers de température au cours du 20ème et du 21ème siècle en France et en Europe, et ce en termes d'occurrence et d'intensité. Un intérêt particulier est aussi porté aux mécanismes r

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Al-Hammouri, Mohammad Fawzi Ahmad. "Deriving Distributed Design Models from Global Requirements Models." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42083.

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During the system and software development process for distributed systems, the development of the overall system design is critical for correctness, performance, and reliability. The objective of this thesis is the improvement of methods and tools that can be used to obtain a correct design model for distributed system components automatically by deriving the design model from the global system requirements. Mainly, we are concerned with the transformation from a global requirements model to a distributed design model. The global requirements model describes the behavior of a distributed syst

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Zimmer, Markus. "Assessing Global Change from a Regional Perspective." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-91391.

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Jessop, Joanne Elizabeth. "Regional development in the new global economy." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25424.

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This thesis is about regional development in the new global economy. Changes in the world economy, notably the trend toward multinational big business and an international division of labour, are affecting, in various ways and in varying degrees, those people and places that are part of this interdependent system. Nevertheless, one constant theme is becoming discernable: the operating rules of global capitalism are antagonistic to attempts by regions to develop a self-sustaining, self-reliant economy. The resulting crisis of development is an aspect of the new economic order that mainstream de

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Theodosopoulos, Theodore. "Stochastic models for global optimization." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11404.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.<br>Includes bibliographical references (p. 61-63).<br>by Theodore Vassilios Theodosopoulos.<br>Ph.D.

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Williams, Gareth Wyn. "Methods for global illumination models." Thesis, University of Manchester, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.695389.

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Global illumination models are used to simulate the complex lighting effects found in nature. This thesis investigates the wavelet radiance global illumination model and the extension of the wavelet radiance algorithm to support non-uniform rational B-spline (NURBS) surfaces. NURBS are a powerful mathematical form for representing freeform surfaces - NURBS are used in many rendering systems and therefore it is very useful to extend illumination models to support these surfaces.

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BARBIERI, LAURA. "Un modello econometrico regionale "globale" per il mercato del lavoro italiano." Doctoral thesis, Università Cattolica del Sacro Cuore, 2008. http://hdl.handle.net/10280/231.

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Partendo dalla constatazione della sempre maggiore complessità del contesto economico e sociale nazionale ed internazionale, imputabile da un lato al processo di integrazione economico e monetario europeo, e dall'altro alla progressiva decentralizzazione dei poteri a livello regionale, la tesi intende proporsi come uno strumento analitico di supporto al decisore. A tal fine, in base a dati annui di fonte ISTAT-SVIMEZ per il periodo 1970-2003, viene sviluppato un modello econometrico regionale 'globale' per il mercato del lavoro italiano, estendendo un precedente modello mono-regionale proposto

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BARBIERI, LAURA. "Un modello econometrico regionale "globale" per il mercato del lavoro italiano." Doctoral thesis, Università Cattolica del Sacro Cuore, 2008. http://hdl.handle.net/10280/231.

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Partendo dalla constatazione della sempre maggiore complessità del contesto economico e sociale nazionale ed internazionale, imputabile da un lato al processo di integrazione economico e monetario europeo, e dall'altro alla progressiva decentralizzazione dei poteri a livello regionale, la tesi intende proporsi come uno strumento analitico di supporto al decisore. A tal fine, in base a dati annui di fonte ISTAT-SVIMEZ per il periodo 1970-2003, viene sviluppato un modello econometrico regionale 'globale' per il mercato del lavoro italiano, estendendo un precedente modello mono-regionale proposto

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Santer, B. D. "Regional validation of General Circulation Models." Thesis, University of East Anglia, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383549.

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Goodchild, S. J. "Studies of stratospheric chemistry using global models and global observations." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599501.

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The aim of this thesis is to improve our understanding of the distribution of stratospheric ozone which is determined by both dynamical and photochemical processes. This is of particular importance since ozone adsorbs incoming solar UV radiation which would otherwise be harmful to humans. In 1985 the Antarctic Ozone hole was discovered alerting the world to the impact human activity has had upon stratospheric ozone. In recent years a significant decline in ozone has also been detected at high northern latitudes during spring. This thesis uses numerical models of varying complexity in order to

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Safieddine, Sarah. "Tropospheric ozone from IASI : regional and global assessment." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066065/document.

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L'ozone troposphérique (O3) est un gaz à effet de serre et un polluant atmosphérique majeur. Il est la source principale du radical hydroxyle OH, l'oxydant le plus important dans l'atmosphère, fortement réactif avec les composés organiques et inorganiques. Les concentrations globales d'ozone troposphérique ont augmenté considérablement depuis l'époque pré-industrielle en raison de l'accumulation des émissions anthropiques de précurseurs d'ozone. Mon travail de thèse consiste à étudier la variabilité spatiale et temporelle de l'ozone troposphérique aux échelles globale et régionale telle qu'ell

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Safieddine, Sarah. "Tropospheric ozone from IASI : regional and global assessment." Electronic Thesis or Diss., Paris 6, 2015. http://www.theses.fr/2015PA066065.

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L'ozone troposphérique (O3) est un gaz à effet de serre et un polluant atmosphérique majeur. Il est la source principale du radical hydroxyle OH, l'oxydant le plus important dans l'atmosphère, fortement réactif avec les composés organiques et inorganiques. Les concentrations globales d'ozone troposphérique ont augmenté considérablement depuis l'époque pré-industrielle en raison de l'accumulation des émissions anthropiques de précurseurs d'ozone. Mon travail de thèse consiste à étudier la variabilité spatiale et temporelle de l'ozone troposphérique aux échelles globale et régionale telle qu'ell

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Heath, Jeffrey W. "Global optimization of finite mixture models." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/7179.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Applied Mathematics and Scientific Computation Program. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Ladicky, Lubor. "Global structured models towards scene understanding." Thesis, Oxford Brookes University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543818.

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Qasmi, Saïd. "Sensibilité du climat européen à la variabilité multidécennale de l'Atlantique Nord." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30367.

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La tendance au réchauffement d'origine anthropique observée au cours du XXè siècle en Europe est ponctuée par des fluctuations expliquées en partie par la variabilité interne du climat. Les mécanismes physiques entre la Variabilité Atlantique Multidécennale (AMV), dont la composante interne module une partie de la variabilité atmosphérique, et le climat européen sont étudiés dans cette thèse. Une étude des modèles climatiques montre une grande diversité dans la simulation de la téléconnexion entre l'AMV et la température estivale en Europe. La sous-estimation moyenne de son intensité par rappo

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DIAS, Cássia Gabriele. "Validação de previsões climáticas sazonais sobre o Brasil: Modelos globais e regional." reponame:Repositório Institucional da UNIFEI, 2017. http://repositorio.unifei.edu.br/xmlui/handle/123456789/818.

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Submitted by repositorio repositorio (repositorio@unifei.edu.br) on 2017-06-22T19:21:39Z No. of bitstreams: 1 dissertacao_dias_2017.pdf: 6609341 bytes, checksum: cb1de5db6fceec08d07609c6876fce3e (MD5)<br>Made available in DSpace on 2017-06-22T19:21:39Z (GMT). No. of bitstreams: 1 dissertacao_dias_2017.pdf: 6609341 bytes, checksum: cb1de5db6fceec08d07609c6876fce3e (MD5) Previous issue date: 2017<br>Este trabalho avaliou a qualidade das previsões climáticas sazonais realizadas com dois modelos climáticos globais, o Climate Forecast System version 2 (CFSv2) e o modelo do Centro de Previsão de T

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Devlin, Adam Thomas. "On the variability of Pacific Ocean tides at seasonal to decadal time scales| Observed vs modelled." Thesis, Portland State University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10128376.

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<p> Ocean tides worldwide have exhibited secular changes in the past century, simultaneous with a global secular rise in mean sea level (MSL). The combination of these two factors contributes to higher water levels, and may increase threats to coastal regions and populations over the next century. Equally as important as these long-term changes are the short-term fluctuations in sea levels and tidal properties. These fluctuations may interact to yield locally extreme water level events, especially when combined with storm surge. This study, presented in three parts, examines the relationsh

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Norder, Tobias. "Global frihandel i en regional värld : Hur påverkar frihandelsavtal möjligheterna att nå global frihandel?" Thesis, Uppsala University, Department of Economics, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7020.

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<p>How does the recent wave of preferential trading arrangements affect, the incentives for further trade liberalization of member states, and the possibility of obtaining global free trade? And are there any differences in this aspect between custom unions and other forms of preferential trading arrangements? These questions are well debated and have divided international trade researchers into two camps, one in favour for preferential trading arrangements and the other side against them. I have used well acknowledged researchers in the area of international trade theory to make a literature

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Morgan, G. L. "Regional variation models of white matter microstructure." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1379541/.

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Diffusion-weighted MRI (DW-MRI) is a powerful in vivo imaging technique that is particularly sensitive to the underlying microstructure of white matter tissue in the brain. Many models of the DW-MRI signal exist that allow us to relate the signals we measure to various aspects of the tissue structure, including measures of diffusivity, cellularity and even axon size. From histology, we know that many of these microstructure measures display distinct patterns of variation on length scales greater than the average voxel size. However very few methods exist that use this spatial coherence to info

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Bailey, Megan Lynn. "Improving the management of global and regional tuna fisheries." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42825.

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Tuna can travel thousands of kilometers throughout their lifetime, and are often found in the waters of several nations and the high seas. These ``straddling stocks" are difficult to manage due to competition between the large number of interested fishing nations, all of which can be asymmetric in their economies, management capacity and conservation concerns. This is compounded by the possibility of new members and free riders. It is no surprise then, that tuna fisheries management has, by and large, been unsuccessful in promoting sustainable fisheries. Populations of several of the world's t

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Rodriguez, Eduardo Xavier. "Redirecting treatment paradigms in global and regional health policy." Honors in the Major Thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1487.

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This item is only available in print in the UCF Libraries. If this is your Honors Thesis, you can help us make it available online for use by researchers around the world by following the instructions on the distribution consent form at http://library.ucf.edu/Systems/DigitalInitiatives/DigitalCollections/InternetDistributionConsentAgreementForm.pdf You may also contact the project coordinator, Kerri Bottorff, at kerri.bottorff@ucf.edu for more information.<br>Bachelors<br>Office of Undergraduate Studies<br>Undergraduate Studies

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