海河水利Issue(5)：81-85,5.DOI:10.3969/j.issn.1004-7328.2025.05.020
大连市降水量计算中不同插值方法的对比分析
Comparison of Different Interpolation Methods for Precipitation Calculation in Dalian City
关胜文1
作者信息
- 1. 辽宁省大连水文局,辽宁 大连 116023
- 折叠
摘要
Abstract
Based on the precipitation data from 34 rainfall stations in Dalian City in 2016,three interpolation methods—Thiessen polygons,Kriging,and Inverse Distance Weighting(IDW)—were used to calculate precipitation for each county and district.The reliability and accuracy of these methods were compared and analyzed through cross-validation to determine the most suitable method for calculating precipitation in the Dalian Water Resources Bulletin.The results showed that:①In areas with sufficient stations,the reliability and stability of the IDW method were significantly lower than those of the Kriging and Thiessen polygon methods;② In hilly areas of Dalian,the IDW method better reflected the precipitation characteristics;③Overall,the IDW method was suitable for hilly areas with a high density of rainfall stations,while the Thiessen polygon method was more appropriate for regions with very few rainfall stations.关键词
大连市/水资源公报/降水量/泰森多边形法/克里金插值法/反距离权重法Key words
Dalian City/Water Resources Bulletin/precipitation/Thiessen Polygon Method/Kriging Interpolation Method/Inverse Distance Weighting(IDW)Method分类
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关胜文..大连市降水量计算中不同插值方法的对比分析[J].海河水利,2025,(5):81-85,5.
