成都平原不同播期水稻生育期气候资源及干旱特征分析——以广汉为例
廖丞蕊, 陈永仁, 肖天贵

Analysis of climatic resources and drought characteristics during rice growth stages with different sowing dates in Chengdu plain:A case study of Guanghan
LIAO Chengrui, CHEN Yongren, XIAO Tiangui
表2 基于累积作物水分亏缺指数(CWDI)划分的农业干旱等级
Tab.2 Classification of agricultural drought grades based on Crop Water Deficit Index
干旱等级 CWDI/%
无旱 CWDI≤35
轻旱 35<CWDI≤50
中旱 50<CWDI≤65
重旱 65<CWDI≤80
特旱 CWDI>80