渭河流域降水时空变化数据集（1965-2013）

在1965-2013年渭河流域及其周边22个气象站点的降水量数据基础上，采用基于面积权重的方法估算整个流域的降水量。将3-5月作为春季，6-8月作为夏季，9-11月作为秋季，12-次年2月作为冬季，采用线性回归和经验正交函数（EOF）分解得出各个站点降水的变化趋势和特征值，利用Mann-Kendall对降水量的时间序列数据进行突变检验，1965-2013年渭河流域降水时空变化数据集。数据集包括：（1）渭河流域气象站点地理信息系统数据；（2）渭河流域1965-2013年季节及年度降水量及相关参数数据，其中包括逐年和四季降水量；M-K检验结果数据；经验正交函数（EOF）分析的时间系数数据；经验正交函数（EOF）分析的两个特征向量数据；22个气象站点的年均、季节降水变化数据等。该数据集存储为.shp和.xlsx格式，数据压缩为36KB。该数据集的分析研究成果发表在《自然资源学报》2015年30卷第11期。

Based on the precipitation data from 22 meteorological stations within and around the Wei River Basin during 1965–2013, the area-weighted method was employed to estimate the total precipitation over the entire basin. Spring was defined as March to May, summer as June to August, autumn as September to November, and winter as December to February of the subsequent year. Linear regression and Empirical Orthogonal Function (EOF) decomposition were utilized to obtain the precipitation trends and characteristic values at each station, while the Mann-Kendall test was applied to detect abrupt changes in the precipitation time series. This is the Spatio-temporal Variation Dataset of Precipitation in the Wei River Basin during 1965–2013.

The dataset includes: (1) Geographic Information System (GIS) data of meteorological stations in the Wei River Basin; (2) Seasonal and annual precipitation data and related parameters of the Wei River Basin from 1965 to 2013, including annual and seasonal precipitation amounts, Mann-Kendall test results, time coefficient data from EOF analysis, two eigenvector datasets from EOF analysis, and annual and seasonal precipitation change data of the 22 meteorological stations, among others.

This dataset is stored in .shp and .xlsx formats, with a compressed size of 36 KB. The analytical research results of this dataset were published in *Journal of Natural Resources*, Volume 30, Issue 11, 2015.

搜集汇总

背景与挑战

背景概述

该数据集覆盖1965年至2013年渭河流域的降水时空变化，基于22个气象站数据，采用线性回归、经验正交函数分解和统计检验等方法分析降水特征。数据集包含GIS站点数据和降水统计信息，以.shp和.xlsx格式提供，数据量36KB，相关研究已发表于《自然资源学报》。