山东春季极端低温与前冬北大西洋海温的关系
徐玮平, 孟祥新, 顾伟宗, 伯忠凯

Relationship between extremely low temperature in spring in Shandong Province and North Atlantic SST in preceding winter
XU Weiping, MENG Xiangxin, GU Weizong, BO Zhongkai
图9 山东春季典型极端低温年北大西洋与欧亚大陆200 hPa波作用通量水平分量(箭头,单位:m2·s2)及其散度(彩色填色区,单位:10-5 m·s-2)(a)及500 hPa波作用通量垂直分量(b,彩色填色区,单位:m2·s2)合成
[粗线方框为关键区(下同)]
Fig.9 The composites of horizontal components of wave activity flux at 200 hPa (arrow, Unit: m2·s2) and its divergence (color shaded area, Units: 10-5 m·s-2) (a) and vertical components of wave activity flux at 500 hPa (b, color shaded area, Unit: m2·s2) over the North Atlantic and Eurasia in the typical extreme low temperature years in spring in Shandong
(the rectangle with thick line for key area (the same as below))