muliti-scale daily SPEI dataset over the Mainland China from 1961-2018

Our drought dataset serves as a unique resource with daily resolution to a variety of research communities including meteorology, geography, and natural hazard studies. The daily SPEI dataset developed is free, open and persistent publicly available from this study.本干旱数据集具备逐日分辨率，是面向气象学、地理学、自然灾害研究等多个研究领域的独特科研资源。本次研制的逐日标准化降水蒸散指数（SPEI）数据集可通过本研究免费、开放且持久地公开获取。