西南山地三省一市（分省市）县域尺度积温要素10℃区划数据集（2000年-2022年）

2000年-2022年西南山地三省一市（分省市）县域尺度积温要素10℃区划数据集包含西南山地三省一市（分省市）县域矢量边界数据和10℃积温数据。该数据集以西南山地三省一市（分省市）县域矢量边界数据和公里格网温度月数据为基础，通过栅格计算器将公里格网月数据进行分类处理并得到整年的有效积温，再利用分区统计将年积温赋值到西南山地三省一市（分省市）各区县，获得西南山地三省一市（分省市）县域尺度10℃积温要素区划数据。这一数据集为气象和自然生态研究提供了数据支持，有助于进行各类自然现象的分析。

The 10℃ accumulated temperature zoning dataset at county scale for the three provinces and one direct-administered municipality in the mountainous southwest region (categorized by province/municipality) from 2000 to 2022 includes county-level vector boundary data and 10℃ accumulated temperature data for the aforementioned region. Based on the county-level vector boundary data and monthly 1km-grid temperature data of the three provinces and one direct-administered municipality in the mountainous southwest region (categorized by province/municipality), this dataset first employs the raster calculator to classify the monthly 1km-grid temperature data and derive the annual effective accumulated temperature. Subsequently, through zonal statistics, the annual accumulated temperature values are assigned to each county and district in the region, thus generating the final 10℃ accumulated temperature zoning dataset at county scale for the three provinces and one direct-administered municipality in the mountainous southwest region (categorized by province/municipality). This dataset provides data support for meteorological and natural ecological research, and enables analysis of various natural phenomena.