| 三峡库区土壤侵蚀定量遥感监测 |
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| 引用本文： | 许小华,雷声,张秀平.三峡库区土壤侵蚀定量遥感监测[J].江西水利科技,2009,35(4):253-256,265. |
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| 作者姓名： | 许小华 雷声 张秀平 |
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| 作者单位： | 江西省水利科学研究院,江西,南昌,330029 |
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| 摘 要： | 三峡库区人类活动强度大,土地大量垦殖和陡坡耕种,导致了较为严重的土壤侵蚀.本研究应用定量遥感监测的方法,选取三峡库区1992年4月、2002年9月TM和SPOT4遥感影像,结合地形、气候、土壤等辅助资料,采用空间信息提取技术和方法提取了土壤侵蚀各影响因子数据,分别统计出了1992年和2002年的土壤侵蚀量及其强度分布;分析了三峡库区土壤侵蚀的动态变化规律;其结果为管理部门进行土壤侵蚀防治提供了辅助决策和支持.
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| 关 键 词： | 三峡库区 土壤侵蚀 定量遥感 监测 |
Quantitative remote sensing monitoring of the soil erosion of the Three-Grge Reservoir area |
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| XU Xiao-hua,LEI Sheng,ZHANG Xiu-ping.Quantitative remote sensing monitoring of the soil erosion of the Three-Grge Reservoir area[J].Jiangxi Hydraulic Science & Technology,2009,35(4):253-256,265. |
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| Authors: | XU Xiao-hua LEI Sheng ZHANG Xiu-ping |
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| Affiliation: | XU Xiao-hua,LEI Sheng,ZHANG Xiu-ping(Jiangxi Provincial Institute of Water Sciences,Nanchang 330029,China) |
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| Abstract: | Because of large human activities,such as land reclamation and farming on steep slope of the Three-Gorge Reservoir area,the serious soil erosion takes place.By applying the quantitative remote sensing method,selecting the images of TM ang SPOT4 remote sensing of the Three-Gorge Reservoir area in April 1992 and September 2002,combined with topography,climate,soil and other supporting data and extracting the affecting factors of soil erosion data by the spatial information extraction technology and method,the... |
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| Keywords: | Three-Gorge Reservoir area Soil erosion Quantitative remote sensing Monitoring |
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