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The transportation and environmental systems are destroyed by runoff and soil losses from unpaved earthen hillside roads on the Loess Plateau in China. We constructed artificial road sections (2.0 m long, 0.55 m wide and 0.35 m deep) with loessial soil packed to give a representative bulk density of 1.5 g/cm3, and with different slope gradients (6°, 9°, 12°, 15° and 18°). Ten sections were planted...
Rainfall is an important factor which causes soil erosion. Spatial interpolation is an effective way to extrapolate the unknown data according to rainfall data discrete observing point. This article selected data which were obtained from seven observing points near the Ertan Hydropower Station on the Yalong River in 1988.Fiver interpolation methods were used in this research, which were inverse distance...
GIS-based soil erosion model is one key tool in physical geography. This paper tried to use EROMAT (the erosion management tool) in Loess Plateau of China. The result indicate: (1) the model efficiency coefficient (ME) was low for the Chinese Loess Plateau, which had close relationships with the local special topographic features; (2) the value of ME had scale effect, it decreased with the study area...
The Three Gorges Project (TGP) is a vital project in the development and harnessing of the Yangtze River in China. The Three Gorges Reservoir region, while with serious soil erosion for a long time, is one of the typical regions whose ecological environment is very fragile. The objective of this study is to map the inter-annual spatial changing pattern of mean soil erosion and assess the effects of...
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