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吉林农业大学学报 2011
Evaluation of Water and Soil Loss in Jilin Songhua Basin
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Abstract:
Soil loss level and distribution are revealed by using universal soil loss equation(USLE) and GIS/RS techniques.Vegetation cover,slope and slope length are extracted,and based on these factors,combined with the factors of rainfall and soil loss,soil loss level was evaluated.According to the research,soil loss trend of Songhuahu basin is more and more serious from Southeast to Northwest.The lightest soil loss is in the source area of the basin while high level soil loss concentrates on the middle part of Hui...