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 20 of 32 for “"monsoons"”.
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Moist zonally-symmetric models and their applications to West African monsoons
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1997.
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Wind-evaporation feedback, angular momentum conservation, and the abrupt onset of monsoons
This thesis examines the mechanisms responsible for the abrupt onset of monsoon circulations, focusing on the role played by wind-evaporation feedback and its interaction with angular momentum conserving flow. The first half of the thesis examines the effect of wind induced surface heat exchange …
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The Effects of Infrastructure Development and Taxation on Current and Future Earnings
… that can be used in all-weather especially monsoons) in villages that previously had only had dry-season roads (roads that are difficult to use in monsoons). In the second, I use a new tax on fringe benefits initiated in India in 2005, seeking evidence for the hypothesis that the difference …
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Reconstructing atmospheric changes in monsoon regions using eolian dust
… in regions of dust transport also affected by monsoons to examine how different climate forcing mechanisms impact the monsoon regions over glacial-interglacial, orbital, and millennial timescales. This thesis generates new eolian dust records from two monsoon regions to reconstruct changes in …
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A pilot study of seasonal and interannual patterns in the distribution of chlorophyll α and temperature over three areas of the southwest Indian Ocean: northeast Madagascar, southeast Madagascar and the Mascarene Islands
… area that is affected by the summer and winter monsoons but the areas south of 100S may also be indirectly affected by the monsoons. Across Northeast Madgascar region, the summer monsoon bloom is well spread over the area while the winter monsoon bloom is mostly coastal. Across the Southest …
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Essays on exchange rate dynamics and currency crises in Asia
… Indonesia to determine if domestic fundamentals, monsoons or contagion caused the 1997 crisis. Using Markov-switching models, this chapter finds that including exchange pressure from neighboring countries in the transitional probabilities improves the conditional probability of a crisis in …
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Nutrient dynamics in a headwater stream : use of continuous water quality sensors to examine seasonal, event, and diurnal processes in the East Fork Jemez River, NM
… precipitation, fall precipitation, and summer monsoons occurring after wildfire. Additional co-authors will be Van Horn, D.J., Gomez, J.D., Crossey, L.J., and Dahm, C.N.
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Precipitation Recycling as a Mechanism for Ecoclimatological Stability Through Local and Non-Local Interactions
… of Mexico to drier regions downwind. During long monsoons, when soil moisture is abundant for a prolonged period of time, precipitation recycling significantly contributes to precipitation during periods of reduced total rainfall. In both the moisture abundant Midwestern region and the drier NAMS …
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Observations and mechanistic modelling of the role of Aedes mosquitoes in dengue transmission in Singapore
… surveys are carried out to study the effect of monsoons on the disease vectors; the impact of urban housing on spatial patterns of dengue transmission is explored; and mechanistic models are developed to simulate the seasonality of dengue occurrence in the city. The role of monsoons in shaping …
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Deciphering isotopic signals of monsoon-induced upwelling in foraminifera from the Western Arabian sea sediment trap
… trap in the Arabian Sea during the 1986 and 1987 monsoons. Two of the species are non-spinose thermocline dwellers (Neogloboquadrina dutertrei, Globorotalia menardii) and two are spinose surface dwellers (Globigerinoides sacculifer, Globigerina bulloides). Individual tests were measured for shape, …
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Impacts of Congo Convection on Tropical Africa's circulation, rainfall and resources
… to that of nearby Indian and Atlantic Ocean monsoons, because of the relative small size and terrestrial nature of the Congo basin. Yet the influence is significant as indicated by the following. • Zonal winds accelerated from the west from 60 W (Atlantic) through 40 E $ahel). The …
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Late quaternary climate changes and landscape evolution in the Northwest Himalaya : geomorphologic processes in the Indian Summer Monsoon Domain
… sediment-transport capacity. In contrast, weaker monsoons result in a lower sediment flux that allows incision in the low-elevation parts of the Sutlej River.
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Incorporating local harvester knowledge to assess vulnerability in the aquarium trade
… to be. Aquarium fishers need to contend with monsoons, local conflicts, and even long distances in order to provide for their families. According to the fishers, the fire dartfish, the most heavily collected species, cannot be found anywhere in Calatagan and so they must travel to nearby …
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The Influence of Obliquely Propagating Monsoon Gravity Waves on the Polar Summer Mesosphere
The deep convection from monsoons is known to be a major source of gravity waves in the Earth's summer troposphere. While propagating through the middle atmosphere, these waves can carry their momentum up to the mesosphere, following either a vertical or an oblique path. This upward and oblique …
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Tropical climate variability from the last glacial maximum to the present
… proxy, suggest that both the summer and winter monsoons were enhanced 8,000 yr BP relative to today while the summer monsoon was weaker and the winter monsoon stronger at 15,000 and 20,000 yr. These results are confirmed by a time-series reconstruction of SST on the Oman Margin that reveals that …
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Reconstructing atmospheric changes in Monsoon regions using eolian dust
… in regions of dust transport also affected by monsoons to examine how different climate forcing mechanisms impact the monsoon regions over glacialinterglacial, orbital, and millennial timescales. This thesis generates new eolian dust records from two monsoon regions to reconstruct changes in …
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Living near permanent water in the upper Murray-Darling Basin Implications from the micromorphology of buried soils near artesian springs
… From ~15Ka to ~12 Ka, activations of the monsoons brought wet conditions, mass movement of sediments downslope, and intermittent fires across the region. From ~5 Ka to ~0.7 Ka, conditions were humid with significant landscape changes with dune formation, landslides, and burial of the …
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Habitat and population dynamics of wolves and blackbuck in Velavadar National Park, Gujarat
… in the summers and increasing during the monsoons and winters. Apparent digestibility and forage quality were extremely low in summers. Average annual dry matter intake was estimated at 86 gms/<i>kg</i> <sup>.075 </sup> of blackbuck per day. Relationships were developed for predicting …
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Mixed Carbonate-Siliciclastic Sequence Development and Chemostratigraphy On a Distal Foreland During Miocene Glaciation, Eastern Saudi Arabia
… rainfall associated with enhanced Miocene Indian monsoons, and with far travelled air mass trajectories migrating across north Africa and from the polar region.
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The Role of Kelvin Waves on the Circulation and Salt Transport Variability in the Coastal Bay of Bengal
… of the Kelvin waves during the winter and summer monsoons (January-March and July-September) and the monsoon transitions (April-June and October-December) is observed, as well as the associated variability in the surface circulation in the study area from each data set. The winter transition …
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