东北三省地区生长季旱涝对春玉米产量的影响
王蔚丹, 孙丽, 裴志远, 马尚杰, 陈媛媛, 孙娟英, 董沫

Effect of Growing Season Drought and Flood on Yield of Spring Maize in Three Northeast Provinces of China
Weidan WANG, Li SUN, Zhiyuan PEI, Shangjie MA, Yuanyuan CHEN, Juanying SUN, Mo DONG
表2 SPI、SPEI与农作物因旱受灾率之间的相关性
Table 2 Correlation between multi-scale drought index and the rate of crop drought disaster
省份时间尺度5月6月7月8月9月
SPEISPISPEISPISPEISPISPEISPISPEISPI
辽宁1-0.34-0.23-0.41*-0.19-0.53**-0.22-0.48**-0.11-0.28-0.21
2-0.44*-0.27-0.54**-0.31-0.61**-0.28-0.65**-0.23-0.54**-0.24
3——-0.56**-0.32-0.65**-0.40*-0.75**-0.28-0.65**-0.33
4————-0.67**-0.41*-0.75**-0.39*-0.75**-0.33
5——————-0.76**-0.41*-0.74**-0.43*
6————————-0.75**-0.46**
吉林1-0.13-0.19-0.47**-0.39*-0.37*-0.23-0.29-0.15-0.02-0.24
2-0.25-0.26-0.53**-0.48**-0.55**-0.41*-0.46**-0.28-0.26-0.29
3——-0.55**-0.50**-0.61**-0.53**-0.67**-0.42*-0.41*-0.39*
4————-0.60**-0.55**-0.69**-0.53**-0.58**-0.46**
5——————-0.68**-0.55**-0.60**-0.56**
6————————-0.60**-0.59**
黑龙江1-0.26-0.37*-0.27-0.23-0.29-0.23-0.27-0.21-0.14-0.06
2-0.31-0.41*-0.40*-0.43*-0.32-0.29-0.40*-0.34-0.30-0.25
3——-0.40*-0.43*-0.43*-0.44*-0.41*-0.37*-0.39*-0.35
4————-0.43*-0.45*-0.53**-0.51**-0.38*-0.36*
5——————-0.53**-0.52**-0.49**-0.47**
6————————-0.50**-0.49**