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[1]DONG Ting-ting,ZHANG Zeng-xiang,ZUO Li-jun.Quantitative Study of Soil Erosion in West of Liaoning Province Based on GIS and RS[J].Research of Soil and Water Conservation,2008,15(04):48-52.

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Quantitative Study of Soil Erosion in West of Liaoning Province Based on GIS and RS

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 04 Page number: 48-52 Column: Public date: 2008-08-20

Title:: Quantitative Study of Soil Erosion in West of Liaoning Province Based on GIS and RS

Author(s):: DONG Ting-ting^1,2, ZHANG Zeng-xiang¹, ZUO Li-jun^1,2; 1. Institute of Remote Sensing Applications Chinese Academy of Sciences, Beijing 100101, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100039, China

Keywords:: soil erosion; revised universal soil loss equation (RUSLE); geographic information system (GIS)

CLC:: S157.1;TP79

DOI:: -

Abstract:: Soil erosion is the basic reason of land degradation. It is also the important factor resulting in ecological environment deterioration. This paper selects the west of Liaoning province as the research object. It uses revised universal soil loss equation to calculate soil erosion and classify soil erosion intensity. It also analyzes soil erosion quantity, spatial distribution and the relation with land use. Results show that low-level is the main soil erosion level. High-level, ultra-high-level and acute also happen, but their percentages are relative low. Chaoyang city is the most serious city in west of Liaoning province, Huludao city is the second. Jinzhou city and Fuxin city are common. The slight, low-level and medium-level soil erosion distribute mainly in arid land. High-level, ultra-high-level and acute soil erosion mainly distribute in medium covered meadow, forest land and sparse forest land. Increasing vegetation coverage of forest land and meadow and decreasing the distribution of sloping land are the primary measures in controlling soil erosion.

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