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Research on spatial interpolation methods of pricipitation on loess plateau
Authors
刘国彬
孟庆香
杨勤科
Publication date
1 January 2006
Publisher
Abstract
在地统计学和地理信息系统支持下,采用多种插值方法对黄土高原降水量进行了空间插值研究, 并探讨了气象站点密度与布局对插值结果的影响。结果表明,地统计学方法优于传统的反距离加权插值、多项式插值和径向基函数插值方法;考虑高程影响的普通协克里金方法优于一般的克里金方法和简单协克里金方法。通过空间插值得到了黄土高原降水量分布图,由该降水量分布图可知,黄土高原降水量总体呈现西北低、东南高的态势,界限很明显;年均降水量在100-800 mm,主要集中在200-600 mm内,以半湿润-半干旱气候为主
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018