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[1]ZHOU Xiaocheng,YU Zhizhong,WANG Xiaoqin,et al.Monitoring and Evaluating the Effectiveness of Soil Erosion Control Based on High Resolution Remote Image—A Case in Zhuxi Watershed, Changting County, Fujian Province[J].Research of Soil and Water Conservation,2017,24(03):7-12.

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Monitoring and Evaluating the Effectiveness of Soil Erosion Control Based on High Resolution Remote Image—A Case in Zhuxi Watershed, Changting County, Fujian Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 03 Page number: 7-12 Column: Public date: 2017-06-28

Title:: Monitoring and Evaluating the Effectiveness of Soil Erosion Control Based on High Resolution Remote Image—A Case in Zhuxi Watershed, Changting County, Fujian Province

Author(s):: ZHOU Xiaocheng, YU Zhizhong, WANG Xiaoqin, LU Lin; Key Laboratory of Spatial Data Mining and Information Sharing, Ministry of Education, National Engineering Research Center of Spatial Information Technology, Fuzhou University, Fuzhou 350002, China

Keywords:: high resolution image; CSLE; Fourier transform; soil erosion; Zhuxi watershed

CLC:: S157;TP79

DOI:: -

Abstract:: We used GIS and RS technology, and combined with high resolution remote image of Zhuxi watershed, rainfall data obtained from hydrologic station, DEM in the scale of ten thousand and soil attribute data. The watershed terrace, vegetation coverage and land use/cover was extracted from high resolution by Fourier transform and object-oriented classification. The CSLE model was selected to make quantitative evaluation of soil erosion in Zhuxi watershed. And then, we carried out space analyses on the erosion result. It turns out that the overall proportion of intense erosion and severe erosion decreased from 4.55% in 2011 to 1.93% in 2014. The proportion of severe erosion decreased from 0.44% in 2011 to 0.15% in 2014, intense erosion and more serious situation decreased significantly during these three years, which means that the measures of soil erosion control have made the significant achievement. Then, we analyzed it from the perspective of land cover types, we found that intense erosion and severe erosion mainly occurred in the woodland, next in some woodland, which mainly focused in the no vegetation under trees. Sub-meter resolution remote sensing image is an effective means to monitor the effectiveness of soil erosion control.

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