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2 改进权重湿润指数序列K-S检验结果和平均值95%置信区间

Table 2 K-S test values of IWMI sequence and 95% confidence interval of sample average

生育阶段 Developmental stage 灾害等级 Disaster grade 改进权重湿润指数序列个数 Number of IWMI sequence K-S正态分布显著性检验值 K-S test value for normal distribution significance 95%置信区间 95% confidence interval 初始生长期 Initial growth period 轻 Light 7 0.5363 0.73-2.92 中 Moderate 8 0.2388 1.49-4.60 重 Severe 18 0.8151 2.53-4.45 快速发育期 Rapidly developmental period 轻 Light 37 1.0000 1.14-1.84 中 Moderate 36 0.8805 1.97-2.48 重 Severe 61 0.5589 2.91-3.61 生育中期 Middle period 轻 Light 47 1.0000 1.26-1.63 中 Moderate 64 1.0000 2.12-2.51 重 Severe 64 0.0618 2.93-3.86 生育后期 End period 轻 Light 13 0.2673 1.26-2.56 中 Moderate 8 1.0000 2.09-2.89 重 Severe 15 0.0523 2.98-4.74