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Relationship between karst rocky desertification and atmospheric precipitation based on RS and GIS——A typical karst rocky desertification area case from Guizhou
Author(s): 
Pages: 834-838
Year: Issue:  4
Journal: Journal of GuiLin University of Technology

Keyword:  RSGISkarst rocky desertificationrainfallrainstorm;
Abstract: 以贵州省典型岩溶石漠化地区为例,采用不同时相的TM多光谱数据和19个基准地面气象观测站及自动站1999-2013年的逐日降雨数据为数据源,以遥感(RS)、地理信息系统(GIS)为技术手段和平台,1999-2013年的年均降雨量和年暴雨频率为评价因子,运用地统计学和空间信息分析方法分析岩溶石漠化与大气降雨的关系.结果表明:降雨(非暴雨)是加剧岩溶石漠化进程的因素之一,也是减缓岩溶石漠化进程的重要因素;暴雨加速了岩溶石漠化的演化进程,对岩溶石漠化的恢复起反作用.
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