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.
Results
Showing 1 to 18 of 18 for “"Rainfall pattern"”.
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The effects of grass and rainfall pattern on the matric suction of acidic soil slopes
… were used to investigate matric suction due to rainfall by applying hydromulching on sloping ground. Despite numerous efforts in the past to investigate the influence of rainfall infiltration on slope stability, there was limited research on the effect of both rainfall infiltration and …
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Capability of CORDEX RCMs in simulating extreme rainfall events over South africa
In South Africa, extreme rainfall events often lead to widespread destruction, damage infrastructure, displace communities, strain water management and even destroy lives. Past studies have shown that reliable predictions of extreme rainfall events from regional climate models (RCMs) could help …
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Rainfall patterns in a small-scale watershed based on NexRad and ground-based datasets
… require a realistic representation of probable rainfall in its most sensible spatial-temporal dimensions matching that of the phenomenon under investigation. As one of the most critical inputs in environmental models, rainfall data can significantly change the quality and reliability of the …
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Future changes in extreme rainfall events and African easterly waves over West Africa
… African Easterly Waves (AEWs) and extreme rainfall events over West Africa, and investigates how climate change could alter this relationship in the future. Satellite observations, reanalysis data, and regional climate model (RCA4) simulations (forced with eight global climate simulations) …
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Calorespirometric Evidence for Adaptation of Blackbrush and Shadscale to Growth Season Temperatures in Cold Deserts
… the growth season determined by the historical rainfall pattern.</p>
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The trend towards sociality in three species of southern African mole-rats (Bathyergidae) : causes and consequences
… Thus the soil moisture content, the annual rainfall pattern and the wear upon the extrabuccal incisors limit the amount of burrowing which can be undertaken by a single mole-rat, both on a daily and seasonal basis. These factors together with the size, distribution, digestible energy and …
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The Impacts of Climate Change on Food Security and Community Base Adaptation options: The Case of Magu District in Mwanza, Tanzania
… Both secondary and primary data were used. Rainfall anomalies were used to characterize wet and dry seasons, whilst mean annual maximum and mean minimum temperatures were used to establish the fluctuations in temperature. Findings indicated that both data from TMA and local people perceived …
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Effect of desiccation and storage on the seeds of two related species in the Amaryllidaceae from the western Cape Province
… in response to an unreliable seasonal rainfall pattern.
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Farm-scale Water Management in Adaptation to Climate Change in Morocco
… experiencing high levels of water scarcity, and rainfall is predicted to decrease by 20% to 50% under different climate change scenarios. As currently Morocco relies on large reservoirs built to achieve basin-scale water resources management, small-scale reservoirs are investigated here as a …
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Forecasting of rainfall using statistical downscaling model (SDSM) – general circulation model (GCM) for future estimation of rainwater harvesting
Changes in the spatial and temporal rainfall pattern affected by the climate change need to be investigated as its significant characteristics are often used for managing water resources. In this study, the impacts of climate change on rainfall variability in Johor was investigated by using General …
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Relative Impacts of ENSO and Indian Ocean Dipole/Zonal Mode on Southern African Rainfall
… investigates the October to December (OND) rainfall variability over the mainland region of southeastern Africa in relation to El Niño Southern Oscillation (ENSO) and the Indian Ocean Dipole/Zonal Mode (IODZM) for the period 1950 to 1999. An empirical orthogonal function (EOF) analysis of …
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Towards appropriate, accessible information networks in developing communities : an assessment of selected information literacy projects and programmes in South Africa and Namibia
… or undeveloped. The region has a favourable rainfall pattern and a viable agricultural resource base. This is important for Namibia, because the country has large areas of semi-desert and desert. Although the Okavango region is vast ( some 4.6 million hectares), the majority of the population …
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Are local range expansions in southerly populations of Aloidendron dichotomum early indicators of a future range shift?
… sites. This may be due to the less variable rainfall pattern at Gannabos. Furthermore, performance was higher on the flats where temperatures were also cooler. This may be due to lower water runoff on the flats compared to the slopes. As a result, I suggest that the cool range edge of A. …
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Hydrogeological and Hydrochemical Characterization of the Matozinhos-Pedro Leopoldo Karst, Brazil
… the most important control on the hydrochemical pattern of the area. It determines the marked dilution of major ions in both conduit-flow and diffuse-flow springs. Variation in soil C02 due to the rainfall pattern may also play an important role in the water chemistry. Observation of paleoflow …
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Spatio-temporal Variability in Rainfall and Wet-canopy Evaporation within a Small Catchment Recovering from Selective Tropical Forestry.
Within tropical rainforest environments, rainfall pattern and canopy structure regulates the partitioning of water into wet-canopy evaporation and sub-canopy rainfall. These interrelated process then moderate atmospheric water vapour, plant water availability, runoff pathways and soil erosion. …
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Assessment of neural tube deffects in two Northern Namibia hospitals: Incidence, seasonal variation, risk factors and prevention strategies for folate sensitive defects
… conception of NTD babies and seasonal variation (rainfall), identify related risk factors, and to compare postpartum maternal red blood cell folate in NTD cases and controls. The study utilised a quantitative approach with a cross-sectional design to assess the incidence of NTDs and …
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Copying strategies to chronic floods in Kuku residential area in Lusaka district, Zambia: a hermeneutic phenomenology study.
… the residential area to drain water, change of rainfall pattern, increase of built environment without sustainable drainages and poor garbage disposal with emphasis on the non-biodegradable materials. Incidentally, this study entails the captured raw lived experiences of chronic flood victims of …
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Water resources management & hydroclimatic data analysis in transboundary river basins under the influence of climate variability & water abstraction : Nile river basin
… then came the period 1964—1999.The precipitation patterns had a decrease in the last two periods (1964—1999) and(2000—2012). The high alteration and strong drought events affected the riverdischarge in these two periods compared to the original period between 1900 and 1925.The results showed that …