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Soil and water loss has been a major environmental problem in the Danjiangkou Reservoir region where slope farming is commonly practiced but the local topography is hilly. As the core water region for the "South-to-North Water Transfer Project", certain measures should be implemented to ensure the safe of water quality. In consideration of the poor socioeconomic position of local farmers,...
Based on the fact that severe water erosion is mainly caused by a few torrential rains of the year, this paper derives relationship between runoff velocity variations, energy increase in per width runoff and runoff concentration caused by nonuniformity of slope, with mechanical analysis of the main dynamic, surface runoff on the slope. The result shows that the value of energy increase in per width...
The investigation and evaluation on the soil and water loss of Zhangjiachong Watershed, which is the typical watershed in the Three Gorges Reservoir Area has a great scientific values for the water-soil conservation in the Zhangjiachong Watershed and other watersheds located in Three Gorges Reservoir Area. In this study, the soil and water loss in Zhangjiachong Watershed was investigated on the spot...
Enclosure is one of the most important measures used for soil and water conservation and has been implemented since the 1970s in Sichuan Basin, China. To understand the impact of enclosure on soil and water loss, soil loss and runoff were monitored in erosion plots on steep slopeland in a hilly area of the Sichuan Basin in the period 1983-2007 under three treatment regimens: enclosure, nonenclosure,...
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