Relevant bibliographies by topics / Rungwe

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Rungwe'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Rungwe"

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ENGHOFF, HENRIK. "A new species of the Chaleponcus dabagaensis-group from Mount Rungwe, Tanzania—support for an extended concept of the Eastern Arc Mountains (Diplopoda, Spirostreptida, Odontopygidae)." Zootaxa 4353, no. 2 (2017): 389. http://dx.doi.org/10.11646/zootaxa.4353.2.11.

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Chaleponcus altirungwensis sp. nov. is described from Mount Rungwe, Tanzania. The new species belongs to the Chaleponcus dabagaensis group which is otherwise restricted to the Udzungwa Mountains and joins a growing set of taxa indicating close biogeographical connections between Mount Rungwe and the Eastern Arc Mountains in a strict sense.
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Kalinga, Atupakisye S., Richard Y. M. Kangalawe, and James G. Lyimo. "Drivers of Livelihoods Diversification in Rungwe District." Journal of Sustainable Development 12, no. 4 (2019): 86. http://dx.doi.org/10.5539/jsd.v12n4p86.

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This paper examined the factors influencing livelihoods diversification in Rungwe district. Specifically, the study assessed the livelihoods activities in the study area and determined the drivers of livelihoods diversification. The study was carried out in six villages of Rungwe District, Mbeya Region in which about 253 households were interviewed for the study. Data was collected through documentary review, household interviews, focused group discussions (FGDs), key informant interviews (KIIs), transect walks and field observation. Quantitative data were analysed using SPSS version 20 and Excel spreadsheet. While chi-square test was conducted to determine the associations between influencing factors and livelihoods activities, content analysis was used to analyse qualitative data. The study results showed that there were various livelihoods activities in the study villages such as cash crop production, livestock keeping, trade and wage labour. Livelihoods diversification was influenced by factors like markets, climate, population, land shortages, institutions, policies, and livelihoods assets. However, agriculture has remained the main occupation of households in Rungwe District. Moreover, market appeared to be a strong factor in influencing livelihoods diversification in the area than any other factors. On that basis, this paper recommends that livelihoods activities which were environmentally friendly should be encouraged. Additionally, markets and transport services should be improved to provide equal opportunities for diversification among rural populations.
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Fontijn, Karen, David Williamson, Evelyne Mbede, and Gerald G. J. Ernst. "The Rungwe Volcanic Province, Tanzania – A volcanological review." Journal of African Earth Sciences 63 (February 2012): 12–31. http://dx.doi.org/10.1016/j.jafrearsci.2011.11.005.

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Fontijn, Karen, Marlina A. Elburg, Igor K. Nikogosian, Manfred J. van Bergen, and Gerald G. J. Ernst. "Petrology and geochemistry of Late Holocene felsic magmas from Rungwe volcano (Tanzania), with implications for trachytic Rungwe Pumice eruption dynamics." Lithos 177 (September 2013): 34–53. http://dx.doi.org/10.1016/j.lithos.2013.05.012.

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Fontijn, Karen, Gerald G. J. Ernst, Marlina A. Elburg, et al. "Holocene explosive eruptions in the Rungwe Volcanic Province, Tanzania." Journal of Volcanology and Geothermal Research 196, no. 1-2 (2010): 91–110. http://dx.doi.org/10.1016/j.jvolgeores.2010.07.021.

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Fontijn, Karen, and Patric Jacobs. "Physical volcanological study of the Rungwe volcanic province, Tanzania." Afrika Focus 24, no. 1 (2011): 109–11. http://dx.doi.org/10.1163/2031356x-02401011.

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Kibonde, Suma F. "Indigenous Knowledge and Conservation of Medicinal Plants in Rungwe District, Tanzania." OALib 07, no. 07 (2020): 1–10. http://dx.doi.org/10.4236/oalib.1106545.

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Furman, Tanya. "Melting of metasomatized subcontinental lithosphere: undersaturated mafic lavas from Rungwe, Tanzania." Contributions to Mineralogy and Petrology 122, no. 1-2 (1995): 97–115. http://dx.doi.org/10.1007/s004100050115.

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Zinner, Dietmar, Idrissa S. Chuma, Sascha Knauf, and Christian Roos. "Inverted intergeneric introgression between critically endangered kipunjis and yellow baboons in two disjunct populations." Biology Letters 14, no. 1 (2018): 20170729. http://dx.doi.org/10.1098/rsbl.2017.0729.

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Intergeneric hybridization and introgression was reported from one of two populations of the recently discovered kipunji ( Rungwecebus kipunji ), a critically endangered African monkey species of southern Tanzania. Kipunjis of the introgressed population (from Mount Rungwe) carry a mitochondrial DNA (mtDNA) haplotype closely related to those of parapatric yellow baboons ( Papio cynocephalus ), whereas the second kipunji population, in the Udzungwa Mountains, carries the original kipunji mtDNA haplotypes, which diverged from the baboon lineage about 3 million years ago. Interestingly, in our study of yellow baboons in Tanzania, we found that baboons from the southeastern boundary of the Udzungwa Mountains carry mtDNA haplotypes closely related to the original kipunji haplotype, whereas baboons from the northern boundary, as expected, carry mtDNA haplotypes of the northern yellow baboon clade. These findings provide evidence for a case of inverted intergeneric admixture in primates: (i) a baboon mtDNA haplotype introgressed the Mount Rungwe kipunji population by mitochondrial capture and (ii) an Udzungwa Mountains kipunji mtDNA haplotype introgressed a small subpopulation of yellow baboons by either mitochondrial capture or nuclear swamping. The baboon–kipunji example therefore constitutes an interesting system for further studies of the effects of genetic admixture on fitness and speciation.
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Hutterer, Rainer, Paulina D. Jenkins, and Walter N. Verheyen. "A new forest shrew from southern Tanzania." Oryx 25, no. 3 (1991): 165–68. http://dx.doi.org/10.1017/s0030605300034190.

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A new species of shrew, Crocidura desperata n. sp. (Mammalia: Soricidae), is described from specimens recently collected in the Rungwe Forest and the Uzungwe Mountains in southern Tanzania. It is a large and long-furred shrew closely resembling Crocidura lanosa from Mt Kahuzi in eastern Zaire. Like other small mammals with a relict distribution, the newly discovered species appears to be highly vulnerable to forest destruction.
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Dissertations / Theses on the topic "Rungwe"

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Tilumanywa, Verdiana T. "Land use and livelihood changes in the Mount Rungwe ecosystem, Tanzania." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85786.

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Thesis (PhD)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: The Mount Rungwe ecosystem (MRE) has unique mountain resources. Its biological, hydrological, economic and cultural endowments offer many development opportunities for Tanzania. Since the 1970s, the MRE has experienced change in land use and means of acquiring livelihoods, calling for scientific investigation into the extent, nature, and magnitude of land use changes and their implications for communities’ livelihoods. The aim of the study was to investigate the major changes in land use, to identify the drivers responsible for these changes and to establish the interrelationship between land use change and communities’ livelihoods in order to suggest desirable management options towards improving rural livelihoods and the ecological integrity of MRE. A research design that integrates both qualitative and quantitative approaches was adopted. The fieldwork involved six villages representative of three ecological zones and 384 respondents were interviewed. Information on the past and present land uses, policies, institutions and processes that have influenced and are influencing land use change in the area was obtained through questionnaires, interviews, field observation, and analysis of documents. Satellite imagery of 1973, 1986, 1991 and 2010 were analysed for spatial and temporal statistics on land use and change. The findings indicate that MRE is experiencing land conversions from one land use category to the other especially in villages of the highland zone. Government policies on the use of and access to forests, agricultural land and energy have contributed to the past and current land use changes. Demographic, cultural, economic and natural factors singly or cumulatively have also induced changes in land use in MRE. Most of the changes in land use were noted between 1991 and 2010. At the district level there was a significant decrease in natural vegetation, particularly bushland and woodland, and an increase in cultivated land. Intensification of agricultural land use was more in the villages of the highland zone than in the middleland and lowland zones. Villages of the lowland zone showed a decline of cultivated land area, particularly in the tree crops category, and a constant or declining trend of the natural vegetation coverage – especially grasslands and woodlands. To reduce unplanned farm expansions into areas of natural vegetation, it is recommended that the Ministry of Agriculture should re-emphasise intercropping practices and provide extension services targeting crops such as potatoes and bananas which are now commercialised. This would be a step towards improving agricultural land productivity and addressing local food security. The ministry of Energy and Minerals could finance the ongoing tree planting efforts by local communities and enhance the use of more efficient charcoal stoves so as not only to protect the remaining forests but also as a way of diversifying the communities’ livelihoods.<br>AFRIKAANSE OPSOMMING: Die Mount Rungwe ekosisteem (MRE) het 'n unieke berggebaseerde hulpbronbasis. Sy biologiese, hidrologiese, ekonomiese en kulturele erfenis bied vele ontwikkelingsgeleenthede vir Tanzanië. Sedert die 1970s het die MRE verandering in grondgebruik ervaar wat implikasies inhou vir bestaanswyses van sy bewoners. Daarom vereis die veranderingsverskynsel wetenskaplike ondersoek na die omvang en aard van grondgebruikveranderinge en die implikasies daarvan vir gemeenskappe se lewensbestaan. Die doel van die studie was om ondersoek in te stel na die belangrikste veranderinge in grondgebruik en om die drywers verantwoordelik vir hierdie veranderinge te identifiseer en die onderlinge verband tussen die verandering in grondgebruik en gemeenskappe se lewensbestaan te identifiseer. Daaruit word wenslike bestuursopsies duidelik vir die verbetering van landelike bestaansmoontlikhede en die handhawing van ekologiese integriteit van die MRE. 'n Navorsingsontwerp wat beide kwalitatiewe en kwantitatiewe benaderings integreer is gekies. Vir veldwerk is ses dorpe in drie ekologiese sones ondersoek en 384 respondente is ondervra. Inligting oor die grondgebruike, -veranderings, beleide, instellings en prosesse wat die gebied beïnvloed het, is verkry deur middel van vraelyste, onderhoude, veldwaarneming, en dokumentontleding. Satellietbeelde van 1973, 1986, 1991 en 2010 is ontleed vir ruimtelike en temporale patrone van grondgebruik en verandering. Die bevindinge dui daarop dat die MRE grondgebruik-omskakeling van verskillende kategorieë na ander in veral die hooglandsone ervaar. Regeringsbeleid oor die gebruik en toegang tot natuurlike woude, landbougrond en energiebronne het bygedra tot hierdie grondgebruike en hul veranderinge. Demografiese, kulturele, ekonomiese en omgewingsfaktore, enkel of kumulatief, het ook tot die veranderinge bygedra. Die meeste van die veranderinge in grondgebruik is tussen 1991 en 2010 aangeteken. Op distriksvlak het byvoorbeeld natuurlike plantegroei, veral bosveld en woud, beduidend oor die studietydperk afgeneem, terwyl die bewerkte grondoppervlak sterk toegeneem het. Intensivering van landbougrondgebruik was meer intens in die dorpe van die hooglandsone in vergelyking met die middelland en laer sones. Dorpe van die laer sone het weer 'n afname van bewerkte grond, veral boomagtige gewasse, en 'n konstante of dalende tendens van die natuurlike plantegroei ervaar – veral gras- en bosveld. Om ongewenste plaasuitbreidings na gebiede van natuurlike plantegroei te voorkom, beveel die studie aan dat die landbouministerie weer klem plaas op praktyk vir tussenverbouing van gewasse en voorligtingsdienste voorsien vir die verbouing van gekommersialiseerde gewasse soos aartappels en piesangs. Dit sou die verbetering van die landbou-produktiwiteit en die verhoging van plaaslike voedselsekuriteit in die hand werk. Die energieministerie behoort origens deurlopende boomplant-aksies deur plaaslike gemeenskappe te stimuleer deur verskaffing van finansies en moet die gebruik van meer doeltreffende houtskool stowe aanmoedig. Dit sal die oorblywende woude help beskerm en is ook 'n manier om die gemeenskappe se lewensonderhoudstelsels te diversifiseer en te verbeter.
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Delalande, Manuëlla. "HYDROLOGIE ET GEOCHIMIE ISOTOPIQUE DU LAC MASOKO ET DE LACS VOLCANIQUES DE LA PROVINCE ACTIVE DU RUNGWE (SUD-OUEST TANZANIE)." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00403009.

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Les lacs sont des réservoirs naturels potentiels d'eau douce. Réceptacles d'eaux météoriques ils ne sont plus systématiquement considérés aujourd'hui comme de simple pluviomètre. Véritables lieux de régulation et d'échanges, ils peuvent former des lieux de concentration, accumulateur et véhiculeur de pollutions ou à l'opposé, des milieux de décantation et de dilution favorables à la préservation de la ressource en eau. Cette thèse se focalise sur les aspects quantitatifs et qualitatifs de la réserve en eau douce potentielle du lac Masoko et d'autres lacs volcaniques du Sud Ouest tanzanien pour la plupart peu ou jamais étudiés. Ces travaux ont mis en évidence que, les niveaux et bilans de ces systèmes fermés, sont notamment régis par des échanges avec l'atmosphère positifs dont résultent d'importants flux souterrains et que ces lacs endoréiques, constituent des lieux de dilution. Ces hydro-systèmes présentent également divers degrés et types de minéralisation qui semblent en premier lieu, contrôlés par la contribution d'apports hydrothermaux aux lacs et secondairement par les temps de résidence des eaux lacustres. L'étude des fonctionnements hydrologique et géochimique des lacs du Sud-Ouest tanzanien, sous les conditions hydroclimatiques régionales actuelles (P-E >0), a permis de montrer que le degré de minéralisation des systèmes présentés pourrait s'accroître sous l'influence d'une augmentation de la pluviométrie. Des augmentations de la minéralisation lacustre seraient dans cette région, reliées à des conditions climatiques humides au YD et au LGM, alors qu'elles donnent préférentiellement lieu à des interprétations contraires.
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Delalande, Manuëlla. "Hydrologie et géochimie isotopique du lac Masoko et de lacs volcaniques de la province active du Rungwe (Sud-Ouest Tanzanie)." Paris 11, 2008. https://tel.archives-ouvertes.fr/tel-00403009.

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Les lacs sont des réservoirs naturels potentiels d'eau douce. Réceptacles d'eaux météoriques ils ne sont plus systématiquement considérés aujourd'hui comme de simple pluviomètre. Véritables lieux de régulation et d'échanges, ils peuvent former des lieux de concentration, accumulateur et véhiculeur de pollutions ou à l'opposé, des milieux de décantation et de dilution favorables à la préservation de la ressource en eau. Cette thèse se focalise sur les aspects quantitatifs et qualitatifs de la réserve en eau douce potentielle du lac Masoko et d'autres lacs volcaniques du Sud Ouest tanzanien pour la plupart peu ou jamais étudiés. Ces travaux ont mis en évidence que, les niveaux et bilans de ces systèmes fermés, sont notamment régis par des échanges avec l'atmosphère positifs dont résultent d'importants flux souterrains et que ces lacs endoréiques, constituent des lieux de dilution. Ces hydro-systèmes présentent également divers degrés et types de minéralisation qui semblent en premier lieu, contrôlés par la contribution d'apports hydrothermaux aux lacs et secondairement par les temps de résidence des eaux lacustres. L'étude des fonctionnements hydrologique et géochimique des lacs du Sud-Ouest tanzanien, sous les conditions hydroclimatiques régionales actuelles (P-E &gt;0), a permis de montrer que le degré de minéralisation des systèmes présentés pourrait s'accroître sous l'influence d'une augmentation de la pluviométrie. Des augmentations de la minéralisation lacustre seraient dans cette région, reliées à des conditions climatiques humides au YD et au LGM, alors qu'elles donnent préférentiellement lieu à des interprétations contraires<br>Lakes constitute potential and natural freshwater reservoir which are today not systematically considered anymore as simple pluviometer. Exchange and regulation places, lakes can be places of concentration where polluants accumulate or opposite places of dilution, which are favourable to the preservation of water ressources. This thesis focus on quantitative and qualitative aspects of the potential freswater reserve of Lake Masoko and others volcanic lakes of South West tanzanian few or never studied. This work gives evidence that the lake-levels and the balances of these systems are controlled by positive exchanges with atmosphere from which, result important groundwater fluxes. It was also shown that these mostly closed lakes constitute dilution places. These hydro-systems show also mineralisation degree and type, which appear control by first, the contribution of hydrothermal inflows to the lakes and secondly, by the lake water residence times. This hydrological and geochemical study of South West tanzanian lakes, under actual regional hydroclimatic conditions, allows to show that the mineralization degree of studied systems could rise under increase of precipitation rates or, decrease of evaporation rates; both in favour of the contribution of inflows to the lakes. Lake mineralization increases would be, in this region, linked to wet climatic conditions at YD and LGM whereas opposite interpretations are usually considered
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Njinju, Emmanuel A. "A Geodynamic Investigation of Magma-Poor Rifting Processes and Melt Generation: A Case Study of the Malawi Rift and Rungwe Volcanic Province, East Africa." Diss., Virginia Tech, 2021. http://hdl.handle.net/10919/101867.

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Our understanding of how magma-poor rifts accommodate strain remains limited largely due to sparse geophysical observations from these rift systems. To better understand magma-poor rifting processes, chapter 1 of this dissertation is focused on investigating the lithosphere-asthenosphere interactions beneath the Malawi Rift, a segment of the magma-poor Western Branch of the East African Rift (EAR). Chapter 2 and 3 are focused on investigating the sources of melt beneath the Rungwe Volcanic Province (RVP), an anomalous volcanic center located at the northern tip of the Malawi Rift. In chapter 1, we use the lithospheric structure of the Malawi Rift derived from the World Gravity Model 2012 to constrain three-dimensional (3D) numerical models of lithosphere-asthenosphere interactions, which indicate ~3 cm/yr asthenospheric upwelling beneath the thin lithosphere (115-125 km) of the northern Malawi Rift and the RVP from lithospheric modulated convection (LMC) that is decoupling from surface motions. We suggest that the asthenospheric upwelling may generate decompression melts which weakens the lithosphere thereby enabling extension. The source of asthenospheric melt for the RVP is still contentious. Some studies suggest the asthenospheric melt beneath the RVP arises from thermal perturbations in the upper mantle associated with plume head materials, while others propose decompression melting from upwelling asthenosphere due to LMC where the lithosphere is thin. Chapter 2 of this dissertation is focused on testing the hypothesis that asthenospheric melt feeding the RVP can be generated from LMC using realistic constraints on the mantle potential temperature (Tp). We develop a 3D thermomechanical model of LMC beneath the RVP and the entire Malawi Rift that incorporates melt generation. We find decompression melt associated with LMC upwelling (~3 cm/yr) occurs at a maximum depth of ~150 km localized beneath the RVP. Studies of volcanic rock samples from the RVP indicate plume signatures which are enigmatic since the RVP is highly localized, unlike the large igneous provinces in the Eastern Branch of the EAR. In chapter 3, we test the hypothesis that the melt beneath the RVP is generated from plume materials. We investigate melt generation from plume-lithosphere interactions (PLI) beneath the RVP by developing a 3D seismic tomography-based convection (TBC) model beneath the RVP. The seismic constraints indicate excess temperatures of ~250 K in the sublithospheric mantle beneath the RVP suggesting the presence of a plume. We find a relatively fast upwelling (~10 cm/yr) beneath the RVP which we interpret as a rising plume. The TBC upwelling generates decompression melt (~0.25 %) at a maximum depth of ~200 km beneath the RVP where the lithosphere is thinnest (~100 km). Our results demonstrate that an excess heat source from may be plume materials is necessary for melt generation in the sublithospheric mantle beneath the RVP because passive asthenospheric upwelling of ambient mantle will require a higher than normal Tp to generate melt. Studies of volcanic rock samples from the RVP indicate plume signatures which are enigmatic since the RVP is highly localized, unlike the large igneous provinces in the Eastern Branch of the EAR. In chapter 3, we test the hypothesis that the melt beneath the RVP is generated from plume materials. We investigate melt generation from plume-lithosphere interactions (PLI) beneath the RVP by developing a 3D seismic tomography-based convection (TBC) model beneath the RVP. The seismic constraints indicate excess temperatures of ≈ 250K in the sublithospheric mantle beneath the RVP suggesting the presence of a plume. We find a relatively fast upwelling (≈10 cm/yr) beneath the RVP which we interpret as a rising plume. The TBC upwelling generates decompression melt (≈0.25 %) at a maximum depth of ≈200 km beneath the RVP where the lithosphere is thinnest (≈100 km). Our results demonstrate that an excess heat source from may be plume materials is necessary for melt generation in the sublithospheric mantle beneath the RVP because passive asthenospheric upwelling of ambient mantle will require a higher than normal Tp to generate melt.<br>Doctor of Philosophy<br>Studies suggest the presence of hot, melted rock deep in the continents makes them weaker and easier to break apart, however, our understanding of how continents with less melted rock break apart remains limited largely due to sparse geophysical observations from these dry areas. To better understand how continents with less melted rock break apart, chapter 1 of this dissertation is focused on investigating the interactions between the rigid part of the Earth, called lithosphere, and the underlying lower viscosity rock layer called asthenosphere beneath the Malawi Rift, a segment of the magma-poor Western Branch of the East African Rift (EAR). Chapter 2 and 3 are focused on investigating the sources of melt beneath the Rungwe Volcanic Province (RVP), an anomalous volcanic center located at the northern tip of the Malawi Rift. In chapter 1, we use the lithospheric structure of the Malawi Rift derived from gravity data to constrain three-dimensional (3-D) numerical models of lithosphere-asthenosphere interactions, which indicate ~3 cm/yr asthenospheric upwelling beneath the thin lithosphere (115-125 km) of the northern Malawi Rift and the RVP that does not seem to drive movements at the surface. We suggest that the asthenospheric upwelling may generate melted rock which weakens the lithosphere thereby enabling extension. However, the source of asthenospheric melt for the RVP is still contentious. Some studies suggest the asthenospheric melt beneath the RVP arises from thermal perturbations in the upper mantle associated with rising mantle rocks or plume head materials, while others propose melting occurs from upwelling asthenosphere due to lithospheric modulated convection (LMC) where the lithosphere is thin. Chapter 2 of this dissertation is focused on testing the hypothesis that asthenospheric melt feeding the RVP can be generated from LMC. We develop a 3D thermomechanical model of LMC beneath the RVP and the entire Malawi Rift that incorporates melt generation. We find decompression melt associated with LMC upwelling (~3 cm/yr) occurs at a maximum depth of ~150 km localized beneath the RVP. Studies of volcanic rock samples from the RVP indicate plume signatures which are enigmatic since the RVP is highly localized, unlike the large igneous provinces in the Eastern Branch of the EAR. In chapter 3, we investigate melt generation from plume-lithosphere interactions (PLI) beneath the RVP. We develop a 3D model of convection using information from seismology we call tomography-based convection (TBC) beneath the RVP. The seismic data indicate excess temperatures of ~250 K beneath the RVP suggesting the presence of a plume. We find a relatively fast upwelling (~10 cm/yr) beneath the RVP which we interpret as a rising plume. The TBC upwelling generates decompression melt at a maximum depth of ~200 km beneath the RVP. Our results demonstrate that an excess heat source from may be plume materials is necessary for melt generation in the sublithospheric mantle beneath the RVP because passive asthenospheric upwelling of ambient mantle will require a higher than normal mantle potential temperatures to generate melt.
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Kroulíková, Tereza. "Runge-Kuttovy metody." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-392847.

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Tato práce se zabývá Runge--Kuttovými metodami pro počáteční problém. Práce začíná analýzou Eulerovy metody a odvozením podmínek řádu. Jsou představeny modifikované metody. Pro dvě z nich je určen jejich řád teoreticky a pro všechny je provedeno numerické testování řádu. Jsou představeny a numericky testovány dva typy metod s odhadem chyby, "embedded" metody a metody založené na modifikovaných metodách. V druhé části jsou odvozeny implicitní metody. Jsou představeny dva způsoby konstrukce implicitních "embedded" metod. Jsou zmíněny také diagonální implicitní metody. Na závěr jsou probrány dva druhy stability u metod prezentovaných v práci.
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Elmikkawy, M. E. A. "Embedded Runge-Kutta-Nystrom methods." Thesis, Teesside University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371400.

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Warzynski, Andrzej. "Runge-Kutta residual distribution schemes." Thesis, University of Leeds, 2013. http://etheses.whiterose.ac.uk/5271/.

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The residual distribution framework and its ability to carry out genuinely multidimensional upwinding has attracted a lot of research interest in the past three decades. Although not as robust as other widely used approximate methods for solving hyperbolic partial differential equations, when residual distribution schemes do provide a plausible solution it is usually more accurate than in the case of other approaches. Extending these methods to time-dependent problems remains one of the main challenges in the field. In particular, constructing such a solution so that the resulting discretisation exhibits all the desired properties available in the steady state setting. It is generally agreed that there is not yet an ideal generalisation of second order accurate and positive compact residual distribution schemes designed within the steady residual distribution framework to time-dependent problems. Various approaches exist, none of which is considered optimal nor completely satisfactory. In this thesis two possible extensions are constructed, analysed and verified numerically: continuous-in-space and discontinuous-in-space Runge-Kutta Residual Distribution methods. In both cases a Runge-Kutta-type time-stepping method is used to integrate the underlying PDEs in time. These are then combined with, respectively, a continuous- and discontinuous-in-space residual distribution type spatial approximation. In this work a number of second order accurate linear continuous-in-space Runge- Kutta residual distribution methods are constructed, tested experimentally and compared with existing approaches. Additionally, one non-linear second order accurate scheme is presented and verified. This scheme is shown to perform better in the close vicinity of discontinuities (in terms of producing spurious oscillations) when compared to linear second order schemes. The experiments are carried out on a set of structured and unstructured triangular meshes for both scalar linear and nonlinear equations, and for the Euler equations of fluid dynamics as an example of systems of non-linear equations. In the case of the discontinuous-in-space Runge-Kutta residual distribution framework, the thorough analysis presented here highlights a number of shortcomings of this approach and shows that it is not as attractive as initially anticipated. Nevertheless, a rigorous overview of this approach is given. Extensive numerical results on both structured and unstructured triangular meshes confirm the analytical results. Only results for scalar (both linear and non-linear) equations are presented.
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Strasser-Klotz, Susanne. "Runge und Ossian Kunst, Literatur, Farbenlehre /." [S.l. : s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=975068997.

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Gilmore, John Patrick. "Explicit Runge-Kutta global error estimators." Thesis, Teesside University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410876.

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Almeida, Cesar Guilherme de. "SOBRE MÉTODOS DE RUNGE-KUTTA PARALELOS." Universidade de São Paulo, 1993. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-17082018-101023/.

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Esta dissertação de mestrado apresenta um estudo referente a métodos de Runge-Kutta Paralelos. Baseado em alguns artigos sobre o assunto, este trabalho, contém duas técnicas de construção de métodos Paralelos. Uma técnica é utilizar a Teoria das Diferenças Elementares, a outra é recorrer ao processo iterativo diagonal para resolvermos as equações implícitas do método de Runge-Kutta. Também apresentamos resultados numéricos, ou seja, implementamos os métodos construídos a partir de cada uma das técnicas. A linguagem utilizada foi a OCCAM, adequada para programação concorrente. Uma referência é o livro [Poutain, May, 87].<br>This MSc dissertation presents a study on Paralel Runge-Kutta methods. It is based on some papers about the subject and contains two techniques for construction of Paralel methods. The first one uses the Elementary Differential Theory, while the second appeals to a Diagonal Iterated method for solving the implicit equations of the RK method. Numerical results corresponding to both techniques are included. The computer language used was OCCAM, which is adequated to concurrent programming,
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Books on the topic "Rungwe"

1

Mwandowsya, Mark J. 2000 - 2010 Maendeleo ya elimu jimbo la rungwe mashariki. S.I, 2010.

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Jocqué, R. Spiders (Araneae) of the family Linyphiidae from the Tanzanian mountain areas Usambara, Uluguru, and Rungwe. Koninklijk Museum voor Midden-Afrika, 1986.

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Excluding women from inheriting land through custom in Tanzania: The implications of the Nyakyusa customary land tenure on women's land and inheritance rights in Kyela and Rungwe districts. Mkuki na Nyota Publishers, 2009.

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Tobies, Renate. Iris Runge. Springer Basel, 2012. http://dx.doi.org/10.1007/978-3-0348-0251-2.

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Philipp Otto Runge. Ellert & Richter, 2010.

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1777-1810, Runge Philipp Otto, Anthroposophische Gesellschaft in Deutschland. Zweig am Rudolf Steiner Haus Hamburg, and Hamburger Kunsthalle, eds. Kosmos Runge: Die Nachtseite der Dinge : Philipp Otto Runges Sehnsucht nach neuen Horizonten und die Gegenwart. Möllmann, 2011.

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Hastings, Adrian. Robert Runcie. Mowbray, 1991.

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Runcie, Robert A. K. 1921-, ed. Robert Runcie. Trinity Press International, 1991.

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Gottlieb, Sigal. Total variation diminishing Runge-Kutta schemes. National Aerospace and Space Administration, Langley Research Center, 1996.

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Pauli, Gustav. Philipp Otto Runge: Bilder und bekenntnisse. Furche-Verlag, 1985.

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Book chapters on the topic "Rungwe"

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Gwambene, Brown, Emma T. Liwenga, and Claude G. Mung’ong’o. "Agricultural Food Crop Production and Management Challenges Under Variable Climatic Conditions in Rungwe District, Tanzania." In Climate Change Management. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12974-3_1.

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Crabtree, D. C., and W. Chesworth. "Rift Related Magmatism and the Petrogenesis of Lavas from the Kiejo Eruptive, Rungwe Volcanic Province, S.W. Tanzania." In Proceedings of the International Conferences on Basement Tectonics. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-0833-3_6.

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Maurin, Krzysztof. "Ellipticity, Runge Property, and Runge Type Theorems." In The Riemann Legacy. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8939-0_48.

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Agarwal, Ravi P., Simona Hodis, and Donal O’Regan. "Runge–Kutta Method." In 500 Examples and Problems of Applied Differential Equations. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26384-3_6.

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Strehmel, Karl, and Rüdiger Weiner. "Runge-Kutta-Methoden." In Teubner-Texte zur Mathematik. Vieweg+Teubner Verlag, 1992. http://dx.doi.org/10.1007/978-3-663-10673-9_2.

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Palais, Richard, and Robert Palais. "Runge-Kutta Methods." In The Student Mathematical Library. American Mathematical Society, 2009. http://dx.doi.org/10.1090/stml/051/14.

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Davis, Jon H. "Runge-Kutta Designs." In Differential Equations with Maple. Birkhäuser Boston, 2001. http://dx.doi.org/10.1007/978-1-4612-1376-5_16.

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Bartels, Sören. "Runge--Kutta-Verfahren." In Numerik 3x9. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48203-2_22.

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Kuehni, Rolf G. "Runge, Philipp Otto." In Encyclopedia of Color Science and Technology. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4419-8071-7_309.

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Helbig, Holger. "Runge, Philipp Otto." In Kindlers Literatur Lexikon (KLL). J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_19089-1.

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Conference papers on the topic "Rungwe"

1

Butcher, John. "Runge and his legacy." In INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS (ICNAAM 2016). Author(s), 2017. http://dx.doi.org/10.1063/1.4992484.

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Monovasilis, Th, Z. Kalogiratou, and T. E. Simos. "Exponentially fitted symplectic Runge-Kutta-Nyström methods derived by partitioned Runge-Kutta methods." In 11TH INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2013: ICNAAM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4825720.

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Restrepo, Alfredo. "Colour processing in Runge space." In IS&T/SPIE Electronic Imaging, edited by Jaakko T. Astola and Karen O. Egiazarian. SPIE, 2011. http://dx.doi.org/10.1117/12.876641.

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Monovasilis, Theodore, Zacharoula Kalogiratou, and T. E. Simos. "Construction of exponentially fitted symplectic Runge-Kutta-Nyström methods from partitioned Runge-Kutta methods." In INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING 2014 (ICCMSE 2014). AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4897864.

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Voss, D. A. "Factored two-step Runge-Kutta methods." In the conference. ACM Press, 1989. http://dx.doi.org/10.1145/101007.101043.

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Bouissou, Olivier, and Matthieu Martel. "GRKLib: a Guaranteed Runge Kutta Library." In 12th GAMM - IMACS International Symposium on Scientific Computing, Computer Arithmetic and Validated Numerics (SCAN 2006). IEEE, 2006. http://dx.doi.org/10.1109/scan.2006.20.

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Zingg, D., and T. Chisholm. "Runge-Kutta methods for linear problems." In 12th Computational Fluid Dynamics Conference. American Institute of Aeronautics and Astronautics, 1995. http://dx.doi.org/10.2514/6.1995-1756.

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Eremin, Alexey. "Functional continuous Runge–Kutta–Nyström methods." In The 10'th Colloquium on the Qualitative Theory of Differential Equations. Bolyai Institute, SZTE, 2016. http://dx.doi.org/10.14232/ejqtde.2016.8.11.

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Lopez-Fernandez, Maria, and Stefan Sauter. "Runge–Kutta based generalized convolution quadrature." In INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2015 (ICNAAM 2015). Author(s), 2016. http://dx.doi.org/10.1063/1.4951754.

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Karim, Samsul Ariffin Abdul, Mohd Tahir Ismail, Mohammad Khatim Hasan, and Jumat Sulaiman. "Data interpolation using Runge Kutta method." In PROCEEDING OF THE 25TH NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES (SKSM25): Mathematical Sciences as the Core of Intellectual Excellence. Author(s), 2018. http://dx.doi.org/10.1063/1.5041644.

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Reports on the topic "Rungwe"

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Tang, Hai C. Parallelizing a fourth-order Runge-Kutta method. National Institute of Standards and Technology, 1997. http://dx.doi.org/10.6028/nist.ir.6031.

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Gottlieb, Sigal. Implicit High Order Strong Stability Preserving Runge-Kutta Time Discretizations. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada495116.

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Grcar, Joseph F. An Explicit Runge-Kutta Iteration for Diffusion in the Low MachNumber Combustion Code. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/927034.

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Richards, B. C., E. W. Bamber, C. M. Henderson, et al. Uppermost Devonian (Famennian) and Lower Carboniferous (Tournaisian) at Jura Creek and Mount Rundle, southwestern Alberta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1994. http://dx.doi.org/10.4095/194058.

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Beauchamp, B., B. C. Richards, E. W. Bamber, and B. L. Mamet. Lower Carboniferous Lithostratigraphy and Carbonate Facies, Upper Banff Formation and Rundle Group, East Central British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/120434.

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Mamet, B. L., E. W. Bamber, and R. W. Macqueen. Microfacies of the Lower Carboniferous Banff Formation and Rundle Group, Monkman Pass map area, northeastern British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/120473.

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B.M. Oliver, G.A. Ritter, G.S. Klinger, et al. Drying Results of K-Basin Fuel Element 6603M (Rune 5). Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/11970.

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A.M., Larson, Barry D., Dahal G.R., and Colfer C.J.P. Thua nhan các quyen cong dong: Tiem nang và nhung thách thuc cua viec cai cách quyen huong dung rung. Center for International Forestry Research (CIFOR), 2012. http://dx.doi.org/10.17528/cifor/003738.

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VFPDF. Tóm luoc sau ba nam thuc hien chính sách chi tra dich vu môi truong rung o Viet Nam. Center for International Forestry Research (CIFOR), 2014. http://dx.doi.org/10.17528/cifor/005067.

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O’Brien, Tom, Deanna Matsumoto, Diana Sanchez, et al. Southern California Regional Workforce Development Needs Assessment for the Transportation and Supply Chain Industry Sectors. Mineta Transportation Institute, 2020. http://dx.doi.org/10.31979/mti.2020.1921.

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COVID-19 brought the public’s attention to the critical value of transportation and supply chain workers as lifelines to access food and other supplies. This report examines essential job skills required of the middle-skill workforce (workers with more than a high school degree, but less than a four-year college degree). Many of these middle-skill transportation and supply chain jobs are what the Federal Reserve Bank defines as “opportunity occupations” -- jobs that pay above median wages and can be accessible to those without a four-year college degree. This report lays out the complex landscape of selected technological disruptions of the supply chain to understand the new workforce needs of these middle-skill workers, followed by competencies identified by industry. With workplace social distancing policies, logistics organizations now rely heavily on data management and analysis for their operations. All rungs of employees, including warehouse workers and truck drivers, require digital skills to use mobile devices, sensors, and dashboards, among other applications. Workforce training requires a focus on data, problem solving, connectivity, and collaboration. Industry partners identified key workforce competencies required in digital literacy, data management, front/back office jobs, and in operations and maintenance. Education and training providers identified strategies to effectively develop workforce development programs. This report concludes with an exploration of the role of Institutes of Higher Education in delivering effective workforce education and training programs that reimagine how to frame programs to be customizable, easily accessible, and relevant.
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