Estimation Methods for Regional Rainfall in Artificial Precipitation Operation

LIN Chang-cheng; LI Bai-liang; SUI Ping; CAI Yi-yong; XIA Hui; CHEN Bin-bin

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Estimation Methods for Regional Rainfall in Artificial Precipitation Operation

- Estimation Methods for Regional Rainfall in Artificial Precipitation Operation
- Bulletin of Soiland Water Conservation Vol. 29, Issue 1, Pages: 156-160(2010)
- 作者机构：
  
  1. 福建省气象科学研究所,福建,福州,350001
  2. 福建省气象台,福建,福州,350001
  3. 福建省气象局科技减灾处,福建,福州,350001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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LIN Chang-cheng, LI Bai-liang, SUI Ping, et al. Estimation Methods for Regional Rainfall in Artificial Precipitation Operation[J]. Bulletin of Soiland Water Conservation, 2010, 29(1): 156-160.
DOI：

LIN Chang-cheng, LI Bai-liang, SUI Ping, et al. Estimation Methods for Regional Rainfall in Artificial Precipitation Operation[J]. Bulletin of Soiland Water Conservation, 2010, 29(1): 156-160. DOI：

摘要

利用Surfer8软件的插值法对估算人工增雨作业区域平均雨量进行二次开发

探讨不同属性降水在不同插值法下的雨量分布结果和同一插值法下不同网格距下的雨量分布结果。结果表明

对流性降水的雨量插值方法首选径向基本函数法

混合性降水则以最小曲率法为佳;对流性降水和混合性降水的雨量分布插值网格距以0.1°×0.1°为准;距离平方反比法的区域平均雨量估算值不受网格距变化影响

但明显比算术平均法小;对于对流性降水

另4种插值法在网格距为0.1°×0.1°以下的估算值均比算术平均法小

而对混合性降水另4种插值法的区域平均雨量估算结果基本不受网格距变化影响

且与算术平均法基本相当。

Abstract

Through secondary development of estimating average rainfall in artificial precipitation operation regions

the rainfall distribution of different attribute precipitations by various interpolation algorithms and the rainfall distribution in different grid intervals by the same interpolation algorithm were studied using interpolation algorithms of Surfer 8.Results showed that the first selected interpolation algorithm for rainfall amount of convectional precipitation was radial basic function method and for mixed precipitation

the least curvature method was best.The interpolation grid intervals for the rainfall distribution of convectional and mixed precipitation were 0.1° ×0.1°.The estimated value of average regional rainfall by inverse distance square method was unaffected by grid interval

markedly lower than that by arithmetic mean method.For convectional precipitation

when the gridinterval was0.1° × 0.1° or even smaller

the estimatedvalues by other four kinds of interpolation algorithms were lower than that by arithmetic mean method

while for mixed precipitation

the valueswere basically unaffected by grid intervals and equivalent to that by arithmetic mean method.

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