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大气科学  2006 

一种地面气温的空间插值方法及其误差分析

DOI: 10.3878/j.issn.1006-9895.2006.01.12

Keywords: 空间卷积,空间插值,地面气温,交叉验证,误差分析

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Abstract:

根据最近邻域法和反向距离法的基本原理,利用空间卷积算法,采用结合中国大陆气象站点位置的截断高斯滤波算子作为距离权重方程,给出一种适合中国陆地区域的地面气温插值方法,并以300多个地面站记录的气温为例,使用交叉验证法分析了给定插值方法的误差分布,结果表明该插值方法比其他插值方法所得误差较小,能够很好地用于气象站点气象观测记录缺失的插补及其空间尺度的扩大化.

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