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 784 for “"Soil moisture"”.
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Soil moisture dynamics and soil moisture controlled runoff processes at different spatial scales : from observation to modelling
Soil moisture is a key state variable that controls runoff formation, infiltration and partitioning of radiation into latent and sensible heat. However, the experimental characterisation of near surface soil moisture patterns and their controls on runoff formation remains a challenge. This subject …
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Climatic trends and soil moisture feedbacks over Zimbabwe
… and shows the response of rainfall to anomalous soil moisture conditions during an extreme wet and dry seasons using RegCM3. Finally, some radiation effects results are presented from these soil moisture perturbations experiments. Results show drying out patterns over the region from the …
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Atmospheric controls on soil moisture-boundary layer interactions
… structure affects the interaction between the soil moisture state and the growth and development of the boundary layer (BL), leading to the triggering of convection. It is concluded that in mid-latitudes, for matters of convective triggering and response to land surface conditions, the critical …
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The relationship between topography and soil moisture distribution
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1996.
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Prediction of soil moisture from selected climatic data
… have been developed for local use in predicting soil moisture in many parts of the United States. The objective of this study was to develop a method to estimate soil moisture in Virginia using data collected by the Agricultural Engineering Department, Virginia Polytechnic Institute, Blacksburg, …
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Spatio-Temporal Analysis of Observed Soil Moisture from Nebraska
<p>Soil moisture is a measure of the water content in a soil that is dependent upon precipitation, evapotranspiration, runoff, drainage, and irrigation. Nebraska is one of the few states that measures soil moisture in an extensive network that records weather variables on a daily basis. Daily soil …
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Nondestructive investigation of soil moisture level using optical system
Soils are one of the essential resources consisting of unconsolidated mineral or organic material on the surface of the Earth; it plays an important role in the growth of land plants. Soil testing is an effort to assess the soil constituents and moisture level; this information is useful to …
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Real-time control of soil moisture for efficient irrigation
… at a predetermined rate, duration, and minimum soil moisture. Due to the ease of installation of soil moisture sensors, this technology has been installed around the world. There have been few studies on altering the controller used with this existing infrastructure. This thesis articulates a …
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The influence of a waterproofing agent on soil moisture properties
Call number: LD2668 .T4 1958 B69
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The influence of a waterproofing agent on soil moisture properties
Call number: LD2668 .T4 1958 B69
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Soil moisture-based drought monitoring using remote sensing over Africa
Agricultural droughts, or persistent deficits in soil moisture, can have severe consequences on crop production and can result in economic crisis and widespread food insecurity. The impacts of drought are especially relevant in Africa, where agriculture is largely supported by rainfall. Currently, …
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Improving Soil Moisture Assessment of Turfgrass Systems Utilizing Field Radiometry
… irrigation using time-domain reflectometer (TDR) soil moisture sensors can decrease water usage. Still, TDR measurements are time-consuming and only cover small scales, leading to many locations being unsampled. Remotely sensed data such as the normalized difference vegetation index (NDVI) offer …
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Soil Moisture-driven Drought Evaluation under Present and Future Conditions
… For short-term drought forecasting, the Soil and Water Assessment Tool (SWAT) and Variable Infiltration Capacity (VIC) models are used with a meteorological forecasting dataset. Results indicate that eight weeks of lead-time drought forecasting show good drought predictability for the …
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