基于改进权重湿润指数的东北地区春玉米涝渍灾害评估方法

刘聪,武永峰,刘平辉,梁立江

Evaluation Method of Spring Maize Waterlogging Disaster in Northeast China Based on Improved Weight Moist Index

LIU Cong,WU YongFeng,LIU PingHui,LIANG LiJiang

表1 作物湿渍害等级划分

Table 1 Grade classification of crop waterlogging

强度等级 Grade 持续时间 Duration 过程累积程度指数 CWMI 正常No disaster <10 d ≤10 轻度 Light 10 - 20 d 10 - 30 中度 Moderate 20 - 30 d 30 - 60 重度 Severe >30 d >60