Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 15 of 15 for “"Monsun"”.
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Massenspektrometrische Untersuchungen zur Verteilung natürlicher Radionuklide im Arabischen Meer
… und Oberflächensedimenten untersucht. Die vom Monsun angetriebenen starken saisonalen und regionalen Partikelflußvariationen zeigen deutliche Auswirkungen auf die vertikalen und lateralen Nuklidflüsse. Für 230Th und 231Pa konnte der stark ausgeprägte Boundary Scavenging Effekt untersucht …
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Massenspektrometrische Th/U-Datierung von Höhlensintern aus dem Oman: Klimaarchive des asiatischen Monsuns
… und Intensität des asiatischen Südwestmonsuns etabliert werden. Ziel dieser Untersuchung ist es, hochaufgelöste Thorium/Uran-Zeitskalen an den Höhlensintern zu erstellen, um die Periodizitäten des d18O exakt zu datieren. Durch die Fortschritte der Thermionen-Massenspektrometrie (TIMS) …
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Modeling large-scale singular climate events for integrated assessment
… thermohaline Zirkulation (THC) und der indische Monsun. Diese Modelle sind so konzipiert, dass sie den Anforderungen der "Integrated Assessment"-Modellierung genügen, d.h., sie sind realistisch, recheneffizient, transparent und flexibel. Das THC-Modell ist ein einfaches, interhemisphärisches …
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Bestand und Ökologie der Heptageniidae (Ephemeroptera) in Fließgewässern des indischen Himalaya (Nord-West Indien)
… zwischen Juni und September während des Monsuns. In dieser Zeit können die Abflüsse der Gewässer wiederholt innerhalb kurzer Zeit um ein Vielfaches zunehmen. <br>Aus der untersuchten Region lagen bisher nur faunistische Einzelfunde von Ephemeroptera vor. Alle im Kullutal gefundenen …
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Paläotemperaturstudie mit Edelgasen im Grundwasser der Nordchinesischen Tiefebene
… Isotope hauptsächlich von der Stärke des Monsuns bestimmt wird. Dem Überlagert ist ein geringer Temperatureffekt von 0.21(±0.05)‰/°C. Die Differenz zwischen dem mittleren Wert für die d18O-Signatur in Phasen mit schwachem und starkem Monsun beträgt etwa 1.5(±0.2)‰.
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Miocene climate as recorded on slope carbonates : examples from Malta (Central Mediterranean) and Northeastern Australia (Marion Plateau, ODP LEG 194)
… Niederschläge (oder verstärkter afrikanischer Monsun) beeinflußten die kontinentale Verwitterung und den Eintrag, mit der Folge, daß verstärkt terrigene Sedimente im Bereich der Hangsedimente der Maltainselgruppe abgelagert wurden. Die tonreichen Intervalle weisen Ähnlichkeiten zu …
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Holocene variations in the strength of the Indian Monsoon system
The monsoon is an important component of the Earth’s climate system. It played a vital role in the development and sustenance of the largely agro-based economy in India. A better understanding of past variations in the Indian Summer Monsoon (ISM) is necessary to assess its nature under global …
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East African monsoon variability since the last glacial
The impact of global warming on human water resources is attracting increasing attention. No other region in this world is so strongly affected by changes in water supply than the tropics. Especially in Africa, the availability and access to water is more crucial to existence (basic livelihoods and …
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Seasonal precipitation, river discharge, and sediment flux in the western Himalaya
Rainfall, snow-, and glacial melt throughout the Himalaya control river discharge, which is vital for maintaining agriculture, drinking water and hydropower generation. However, the spatiotemporal contribution of these discharge components to Himalayan rivers is not well understood, mainly because …
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Late quaternary climate changes and landscape evolution in the Northwest Himalaya : geomorphologic processes in the Indian Summer Monsoon Domain
The India-Eurasia continental collision zone provides a spectacular example of active mountain building and climatic forcing. In order to quantify the critically important process of mass removal, I analyzed spatial and temporal precipitation patterns of the oscillating monsoon system and their …
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Lake sediments as climate and tectonic archives in the Indian summer monsoon domain
The Indian summer monsoon (ISM) is one of the largest climate systems on earth and impacts the livelihood of nearly 40% of the world’s population. Despite dedicated efforts, a comprehensive picture of monsoon variability has proved elusive largely due to the absence of long term high resolution …
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On intrinsic uncertainties in earth system modelling
Uncertainties are pervasive in the Earth System modelling. This is not just due to a lack of knowledge about physical processes but has its seeds in intrinsic, i.e. inevitable and irreducible, uncertainties concerning the process of modelling as well. Therefore, it is indispensable to quantify …
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Extremes in events and dynamics : a nonlinear data analysis perspective on the past and present dynamics of the Indian summer monsoon
To identify extreme changes in the dynamics of the Indian Summer Monsoon (ISM) in the past, I propose a new approach based on the quantification of fluctuations of a nonlinear similarity measure, to identify regimes of distinct dynamical complexity in short time series. I provide an analytical …
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South Asian summer monsoon variability: a modelling study with the atmospheric regional climate model HIRHAM5
The lives of more than 1/6 th of the world population is directly affected by the caprices of the South Asian summer monsoon rainfall. India receives around 78 % of the annual precipitation during the June-September months, the summer monsoon season of South Asia. But, the monsoon circulation is …
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Investigations on rainfall variability during the late Quaternary based on geochemical analyses of lake sediments from tropical and subtropical southern Africa
This thesis presents investigations on sediments from two African lakes which have been recording changes in their surrounding environmental and climate conditions since more than 200,000 years. Focus of this work is the time of the last Glacial and the Holocene (the last ~100,000 years before …