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[1]MENG Fanying,FU Weitao,YANG Huan,et al.GIS-Based Research of Soil Erosion in Gucheng Small Watershed[J].Research of Soil and Water Conservation,2015,22(05):9-13.

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GIS-Based Research of Soil Erosion in Gucheng Small Watershed

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 05 Page number: 9-13 Column: Public date: 2015-10-28

Title:: GIS-Based Research of Soil Erosion in Gucheng Small Watershed

Author(s):: MENG Fanying¹, FU Weitao¹, YANG Huan¹, LIU Mingren¹, LIU Mingyue²; 1. The City College of Jilin Jianzhu University, Changchun 130111, China;
2. Institute of Northeast Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130021, China

Keywords:: RUSLE model; Gucheng small watershed; soil erosion; GIS

CLC:: P208;S157

DOI:: -

Abstract:: We selected the Gucheng small watershed of Keshan County as the research region. Based on the data of precipitation, the soil, DEM, the remote sensing data, the geographic information system (GIS) and remote sensing (RS) technology, the Revised Universal Soil Loss Equation (RUSLE) model was used to calculate the soil erosion and classify the calculation, then the soil erosion rate was analyzed, spatial distribution was evaluated, and with the impact of the land use on soil erosion was examined. Results showed that low-level was the main soil erosion rate, medium-level was just less than the low-level, high-level, very high-level and acute level also happened, but their percentages were relative low. Low-level soil erosion rate mostly distributed on the central region and the northwestern region, the medium-level distributed in the central region and the northeastern region, the other levels both scattered. The soil erosion most happened on the farmland or the unused-land, the residential area also existed soil erosion. The soil erosion did not readily occurred in the other kinds of land uses. Therefore, it could be seen that increasing the vegetation coverage of the forest or decreasing the area of farmland could control soil erosion.

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