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RS and GIS-base analyses of the current state and formation of rocky desertification in the Qianjiang county, Chongqing
Author(s): 
Pages: 81-85,89
Year: Issue:  1
Journal: HYDROGEOLOGY & ENGINEERING GEOLOGY

Keyword:  RSGIS石漠化现状与成因黔江区;
Abstract: 在RS、GIS支持下,利用2004的TM遥感影像数据研究重庆市黔江区石漠化现状及形成原因.结果表明:黔江区7.21%的土地发生石漠化,其中轻度、中度、强度石漠化分别占总面积的3.06%、3.41%、0.74%,潜在石漠化占总面积的4.84%;石漠化的分布与地层、高程、坡度及土地利用等因素密切相关;石漠化的形成与发展是人类不合理的经济活动叠加于脆弱的生态地质环境背景上综合作用的结果.
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