| 几何插值法在大尺度长系列降雨插值中的比较和改进 |
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| 引用本文： | 王喜峰,周祖昊,贾仰文,李玮,牛存稳.几何插值法在大尺度长系列降雨插值中的比较和改进[J].水电能源科学,2010,28(12). |
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| 作者姓名： | 王喜峰 周祖昊 贾仰文 李玮 牛存稳 |
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| 作者单位： | 中国水利水电科学研究院水资源研究所; |
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| 基金项目： | 国家科技支撑计划课题基金，国家水体污染控制与治理科技重大专项课题基金，国家自然科学基金创新研究群体基金 |
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| 摘 要： | 针对降雨空间插值结果影响流域水循环模拟问题,以松花江流城为例,在深入探讨距离平方反比法(RDS)的基础上,提出一种改进的DRDS法,并与RDS法进行了交叉检验比较.结果表明,DRDS法为常用几何方法中精度最高、效果较好的最佳插值方法.
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| 关 键 词： | 空间插值 大尺度 长系列 几何方法 RDS 降雨插值 DRDS 比较 改进 |
Comparison and Improvement of Geometry Interpolation Methods in Rainfall Interpolation with Large-scale Long-series Data |
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| WANG Xifeng,ZHOU Zuhao,JIA Yangwen,LI Wei,NIU Cunwen.Comparison and Improvement of Geometry Interpolation Methods in Rainfall Interpolation with Large-scale Long-series Data[J].International Journal Hydroelectric Energy,2010,28(12). |
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| Authors: | WANG Xifeng ZHOU Zuhao JIA Yangwen LI Wei NIU Cunwen |
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| Affiliation: | WANG Xifeng ZHOU Zuhao JIA Yangwen LI Wei NIU Cunwen(Department of Water Resources,China Institute of Water Resources and Hydropower Research,Beijing 100038,China) |
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| Abstract: | It's essential to improve the precision of rainfall interpolation result,as it affects the simulation of the water cycle.Taking the Songhua river basin for an example,this paper proposes an improved DRDS method on the basis of reverse distance square(RDS) method.According to the comparison of rainfall simulation cross-validation results of RDS method,the results show that the DRDS is one of the geometry interpolation methods with the highest precision and good effect. |
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| Keywords: | space interpolation large scale long series geometry method RDS rainfall interpolation DRDS comparison improvement |
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