近60年河北省冬小麦干旱风险时空规律 |
张力,陈阜,雷永登 |
Spatial and temporal patterns of drought risk for winter wheat grown in Hebei province in past 60 years |
Li ZHANG,Fu CHEN,Yong-Deng LEI |
图4 冬小麦不同生育阶段重旱及特旱频率的空间分布 |
Fig. 4 Spatial patterns of heavy drought and severe drought in different growth stages of winter wheat |
![]() |