[1]彭建,李丹丹,张玉清,等.基于GIS和RUSLE的滇西北山区土壤侵蚀空间特征分析——以云南省丽江县为例[J].山地学报,2007,(05):548.
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基于GIS和RUSLE的滇西北山区土壤侵蚀空间特征分析——以云南省丽江县为例()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2007年05期
页码:
548
栏目:
山地学报
出版日期:
2007-09-15

文章信息/Info

作者:
彭建;李丹丹;张玉清;
农业部资源遥感与数字农业重点开放实验室;农业部资源遥感与数字农业重点开放实验室;北京大学深圳研究生院城市人居环境科学与技术重点实验室 北京100081;北京大学深圳研究生院;城市人居环境科学与技术重点实验室;广东深圳518055;北京100081;广东深圳518055
关键词:
RUSLE; GIS; 土壤侵蚀; 空间分布特征; 丽江县
文献标志码:
A
摘要:
土壤侵蚀空间分布特征,是进行土壤侵蚀防治规划、实践的重要基础与依据。研究以云南省丽江县为例,应用RUSLE估算了县域土壤侵蚀量,并基于G IS的空间统计分析功能,分析了土壤侵蚀在海拔、坡度与土地利用类型等方面的空间分布特征。结果表明,全县平均土壤侵蚀模数为52.50 t/(hm2.a),属于强度侵蚀,县域东部的金沙江沿岸、3 500~6 000 m高程带、25°~90°坡度带,以及裸地与荒草地、旱地等不同类型区域是研究区土壤侵蚀治理的重点地区。

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更新日期/Last Update: 2007-09-15