| 粤北典型岩溶山区土地石漠化程度遥感评价 |
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| 引用本文： | 李辉霞,李森,周红艺. 粤北典型岩溶山区土地石漠化程度遥感评价[J]. 水土保持通报, 2011, 31(6): 155-159 |
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| 作者姓名： | 李辉霞 李森 周红艺 |
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| 作者单位： | 1. 佛山科学技术学院资源环境系,广东佛山528000／中国科学院生态环境研究中心,北京100085
2. 佛山科学技术学院资源环境系,广东佛山,528000 |
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| 基金项目： | 国家自然科学基金项目“粤北岩溶山地土地石漠化过程耦合试验模拟研究”(30870469); 中国博士后科学基金项目(20100470561); 佛山大学校级项目“粤北岩溶山区土地石漠化的遥感定量评价研究” |
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| 摘 要： | 采用2004年冬季的TM遥感影像,结合遥感技术、GIS技术和主成分分析方法,构建了石漠化现状评价模型,并对粤北典型岩溶山区土地石漠化的发展程度进行了评价。评价结果表明,粤北典型岩溶山区石漠化程度依然严重,74.03%的石漠化土地面积被划分为中度以上石漠化等级,主要分布在阳山县中部和乳源县西北部。评价结果与野外调查情况基本吻合,表明采用遥感技术获取石漠化景观表征因子,在ArcGIS平台中运用主成分分析方法进行石漠化现状评价是可行的。
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| 关 键 词： | 石漠化遥感评价 主成分分析 粤北岩溶山区 |
| 收稿时间： | 2010-12-25 |
| 修稿时间： | 2011-03-24 |
Assessment of Rocky Desertification in Typical Karst Mountain Area of North Guangdong Province Based on RS |
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| LI Hui-xi,LI Sen and ZHOU Hong-yi. Assessment of Rocky Desertification in Typical Karst Mountain Area of North Guangdong Province Based on RS[J]. Bulletin of Soil and Water Conservation, 2011, 31(6): 155-159 |
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| Authors: | LI Hui-xi LI Sen ZHOU Hong-yi |
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| Affiliation: | LI Hui-xia1,2,LI Sen1,ZHOU Hong-yi1(1.Department of Resource and Environmental Science,Foshan University,Foshan,Guangdong 528000,China,2.Research Center for Eco-Environmental Sciences,CAS,Beijing 10085,China) |
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| Abstract: | The assessment model of rocky desertification was built using remote sensing technique,geographic information system technique and principal component analysis method,which was used to assess the present situation of rocky desertification in typical karst mountain area of North Guangdong Province based on TM images of 2004.The results showed that rocky desertification was still severe in study area,the area of most severe,severe and moderate grades of rocky desertification took up 74.03% of the total rocky ... |
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| Keywords: | remote sensing assessment of rocky desertification principal component analysis karst mountain area of North Guangdong Province |
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