- Article
A Drought Index: The Standardized Precipitation Evapotranspiration Irrigation Index
- Liupeng He,
- Liang Tong,
- Zhaoqiang Zhou,
- Tianao Gao,
- Yanan Ding,
- Yibo Ding,
- Yiyang Zhao and
- Wei Fan
Drought has had an increasingly serious impact on humans with global climate change. The drought index is an important indicator used to understand and assess different types of droughts. At present, many drought indexes do not sufficiently consider...

