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| Soil erosion fluctuations of loess slope |
| Wu Yonghong, Wang Yuanchang, Liu Bin, Cao Shuyang, Wang Zhixiong |
| Xifeng Soil and Water Conservation Experimental Station, Yellow River Water Conservancy Committee, 745000, Qingyang, GanSu, China |
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Abstract 137Cs inventory fluctuations along the loess slopes under different land use in the Nanxiaohegou gully watershed of Xifeng are shown. By analysis of the fluctuations and of the results of erosion fluctuations on slopes from other studies, it is concluded that soil erosion intensity always fluctuates as slop length increases on loess slopes because of rill erosion variations along slopes. Soil erosion fluctuations on loess slopes can be divided into two types, cultivated slopes under strong influences of human activities and uncultivated slopes with little influences.
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Received: 12 January 2005
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