生态与农村环境学报2011,Vol.27Issue(1):88-92,5.
基于地统计学的降雨侵蚀力插值方法研究——以江苏省为例
Geostatistics-Based Spatial Interpolation Method for Study of Rainfall Erosivity-A Case Study of Jiangsu.
摘要
Abstract
The research on choice of spatial interpolation methods for studying spatial and temporal distribution of erosivity has positive significance to forecasting of soil loss and planning for soil and water conservation.Based on the rainfall records of the 260 stations in Jiangsu Province from 2001 to 2006, mean rainfall erosivity of each station over the years was worked out using Bu-algorithm, and analyzed and compared with geostatisties for errors.Results show that the ordinary Kriging method, with the presence of parameters of the second-order, spherical semi-variogram model, performed better than other interpolation methods, and it fits with Jiangsu Province quite well.Based on the principles for location of the rainfall stations of the soil and water conservation project, the chosen ordinary Kriging method was used to verify the locations of some representative stations.It was found that the site selection method was feasible.关键词
降雨侵蚀力/地统计/插值/江苏Key words
rainfall erosivity/ geostatistics/ interpolation/ Jiangsu分类
资源环境引用本文复制引用
李璐,姜小三,孙永远..基于地统计学的降雨侵蚀力插值方法研究——以江苏省为例[J].生态与农村环境学报,2011,27(1):88-92,5.基金项目
江苏省水利厅资助项目(20080912032) (20080912032)