Annual SPEI Raster Data of Longpan Reservoir Area (2001-2020)

This dataset is the annual SPEI raster dataset for the Longpan reservoir area from 2001 to 2020 (the reservoir area is based on digital elevation model data and delineated along the ridge line). The original data of this data set is "HSPEI: a 1-km spatial resolution SPEI Dataset across Chinese Mainland from 2001 to 2022”, sourced from the Scientific Data Bank (https://www.scidb.cn/ ).This dataset uses the GCS_WGS_1984 coordinate system with a spatial resolution of 1km.