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[1]WANG Ke-zhuang,ZHANG Fu,YU Quan-gang,et al.Benefits of Sediment Reduction of Soil and Water Conservation Measures in Chenggou Dam System Watershed[J].Research of Soil and Water Conservation,2013,20(05):13-17.

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Benefits of Sediment Reduction of Soil and Water Conservation Measures in Chenggou Dam System Watershed

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 05 Page number: 13-17 Column: Public date: 2013-10-28

Title:: Benefits of Sediment Reduction of Soil and Water Conservation Measures in Chenggou Dam System Watershed

Author(s):: WANG Ke-zhuang¹, ZHANG Fu¹, YU Quan-gang², MA An-li², ZHAO Huai-li³; 1. College of Forestry, Gansu Agricultural University, Lanzhou 730070, China;
2. The Yellow River Monitoring Center of Soil and Water Conservation, Xi’an 710021, China;
3. Soil and Water Conservation Bureau of Gansu Anding, Dingxi, Gansu 743000, China

Keywords:: soil and water conservation; monitor; erosion sediment; water and sediment reduction; dam system watershed

CLC:: S157.2

DOI:: -

Abstract:: On the basis of observed data of 5 years of precipitation, runoff, slit and soil and water conservation measures as well as research in Chenggou Dam system watershed, QuickBird remote sensing images as the major information source, ArcGIS 9.3 and RegionManager 5.5, precipitation variation and soil and water conservation measures on runoff and sediment yield in the watershed were studied, the benefits of water and sediment interception under the conditions of different soil and water conservation measures were analyzed. Some results were gained as followings: from 2007 to 2011, soil and water conservation construction measures is the main reason of runoff and sediment reduction, the area of countermeasures increased 133.04 hm², the control dam system watershed area reached to 8 843.58 hm², accounting for 54.80% of the total basin. Annual average erosion modulus is 18.80 t/km² in Chenggou Dam system watershed, erosion modulus reduced by 5 581.20 t/km².

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