Rapid Estimation of Soil Erosion Amount in Small Watershed Based on Standards for Soil Erosion Gradation：An Example from Bijie Monitoring Station in Chishuihe River Basin
WANG Zhi-gang,TU Ren-meng,SUN Jia-jia,HU Bo,DING Wen-feng,XU Wen-yu,ZHANG Ping-cang
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2013, (5): 22 -26 .  DOI: 10.3969/j.issn.1001-5485.2013.05.06

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