| Temporal and Spatial Conversion Analysis of Soil Erosion in the Three Gorges Region Based on RS and GIS Technique——A Case Study in Kaixian County |
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| 引用本文： | NIE Yong FAN Jianrong YANG A＇qiang. Temporal and Spatial Conversion Analysis of Soil Erosion in the Three Gorges Region Based on RS and GIS Technique——A Case Study in Kaixian County[J]. 武汉大学学报:自然科学英文版, 2008, 13(3): 369-376. DOI: 10.1007/s11859-008-0318-7 |
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| 作者姓名： | NIE Yong FAN Jianrong YANG A＇qiang |
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| 作者单位： | [1]Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences, Beijing 100101, China;; [2]Graduate University of Chinese Academy of Sciences, Beijing 100049,China;; [3]Institute of Mountain Hazards and Environment, Chinese Academy ofSciences, Chengdu 610041, Sichuan, China |
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| 基金项目： | Supported by the National Basic Research Program of China （CB2007407206）, the Action-Plan Program for West Development of Chinese Academy of Sciences （KZCX2-XB2-07-04） and the Open Foundation of Key Laboratory of Mountain Hazards and Surface Process of Chinese Academy of Sciences |
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| 摘 要： | In this paper, Kaixian County, situated in the hinterland of the Three Gorges Reservoir Region, was selected for the case study. Factors of soil erosion were obtained based on the technique of remote sensing （RS） and geographic information system （GIS）. Combining with field survey, soil erosion data in the years of 1988, 2000 and 2004 which covered the period from the beginning of the Three Gorges Reservoir Project to nowadays were investigated through the judgment model established on soil erosion intensity. With the function of spatial analysis in the geographic information system, the analysis and appraisal of dynamic soil erosion changes were carried out, and the spatial characteristics of the vicious change were highlighted, and the main causes of the vicious change of soil erosion were explored.
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| 关 键 词： | 遥感技术 生物信息系统 土壤侵蚀 水库 |
| 收稿时间： | 2006-07-26 |
Temporal and spatial conversion analysis of soil erosion in the Three Gorges Region based on RS and GIS technique |
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| Yong Nie,Jianrong Fan,A’qiang Yang. Temporal and spatial conversion analysis of soil erosion in the Three Gorges Region based on RS and GIS technique[J]. Wuhan University Journal of Natural Sciences, 2008, 13(3): 369-376. DOI: 10.1007/s11859-008-0318-7 |
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| Authors: | Yong Nie Jianrong Fan A’qiang Yang |
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| Affiliation: | [1]Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences, Beijing 100101, China; [2]Graduate University of Chinese Academy of Sciences, Beijing 100049,China; [3]Institute of Mountain Hazards and Environment, Chinese Academy ofSciences, Chengdu 610041, Sichuan, China |
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| Abstract: | In this paper, Kaixian County, situated in the hinterland of the Three Gorges Reservoir Region, was selected for the case study. Factors of soil erosion were obtained based on the technique of remote sensing (RS) and geographic information system (GIS). Combining with field survey, soil erosion data in the years of 1988, 2000 and 2004 which covered the period from the beginning of the Three Gorges Reservoir Project to nowadays were investigated through the judgment model established on soil erosion intensity. With the function of spatial analysis in the geographic information system, the analysis and appraisal of dynamic soil erosion changes were carried out, and the spatial characteristics of the vicious change were highlighted, and the main causes of the vicious change of soil erosion were explored. |
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| Keywords: | remote sensing（RS） geographic information system （GIS） soil erosion Kaixian County Three Gorges Reservoir Region |
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