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The semiarid Chinese Loess Plateau is notorious for severe drought, water erosion, and environmental degradation. Changes in landscape patterns and rainfall are key drivers that determine the dynamics of runoff loss and sediment yield from catchments. These factors have crucial implications for management of other fragile ecosystems around the globe. In this study, responses of surface runoff and...
Cultivation on steep land has long been blamed as a major contributor of water erosion in many fragile regions of the world. Soil and water loss from gentle slopes, however, are always subjectively considered less important and are even neglected in practice. In this study, 21 plots including seven crop-rotation types (CRTs) under three different slight gradients (10°, 15°, 20°), were established...
Due to rainfall variation and poor land cover, water erosion in the loess hilly area is severe and experiences high temporal fluctuations, which increase the difficulties of erosion quantification, prediction and control. In this study, 15 runoff plots were implemented in Dingxi, a typical loess hilly area of Gansu Province since 1986. Three typical years representing WY (wet year), NY (normal year)...
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