نتایج جستجو برای: rainfall simulator
تعداد نتایج: 62650 فیلتر نتایج به سال:
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
Computer simulators are often used as a substitute of complex real-life phenomena, which either expensive or infeasible to experiment with. This paper focuses on how efficiently solve the inverse problem for an evaluate time-series-valued computer simulator. The research is motivated by hydrological simulator has be tuned generating realistic rainfall–runoff measurements in Athens, Georgia, USA...
In the Czech Republic, Universal Soil Loss Equation provides basis for defining soil protection strategy. Field rainfall simulators were used to define actual cover-management factor values of most extensively seeded crops in Republic. The second purpose was assess rainfall-runoff ratio different and management contribute debate water retention effectiveness during approaching climate change. m...
Splash erosion is recognized as the first stage in the process of erosion that results in bombardment of the soil's surface with rain drops. Two basic processes in soil erosion are the dispersement of soil particles by rain drops and the changes caused to the soil's structure, which are then moved by runoff. In this research,the effect of various polyacrylamide (PAM)values (0, 0.2, 0.4 and 0.6 ...
We report the development of an open source “Debris Flow Simulator for Sabo” (DFSS). DFSS consists three models corresponding to geomorphological regions (mountain hillside slopes, mountain-to-plain river channels, and lower plains). A 2D rainfall-runoff (RR) model is adopted mainly slopes; a 1D debris flow runoff (DR) used channel; flooding or inundation (DF) plains. These are weakly coupled s...
Central equatorial Africa is deficient in long-term, ground-based measurements of rainfall; therefore, the aim of this study is to assess the accuracy of three high-resolution, satellite-based rainfall products in western Uganda for the 2001–10 period. The three products are African Rainfall Climatology, version 2 (ARC2); African Rainfall Estimation Algorithm, version 2 (RFE2); and 3B42 from th...
An Assessment of Water and Soil Losses in Pastures of The Brazilian Savanna Using Simulated Rainfall
Pastures occupy a large part of Brazilian national territory, being heterogeneous characteristics and varying in climate, fertility, management. Water erosion, generated by the action rainfall, is principal source soil depletion. These soils exhibit distinct behaviors spatially temporally. Therefore, this research aims to evaluate water losses pasture Cerrado region during two periods year (win...
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