2021年京津冀秋季降水10~20 d低频振荡特征

韩世茹, 车少静, 于长文, 马贵东

Characteristics of 10-20 days low-frequency oscillation of autumn precipitation over the Beijing-Tianjin-Hebei region in 2021

HAN Shiru, CHE Shaojing, YU Changwen, MA Guidong

图6 不同位相850 hPa风场异常（箭矢，单位：m·s-1）与700 hPa垂直速度异常（阴影，单位：Pa·s-1）分布 （“A”和“C”分别表示异常反气旋和异常气旋）

Fig.6 The distribution of wind field anomaly (arrow vectors, Unit: m·s-1) at 850 hPa and vertical velocity anomaly (the shaded, Unit: Pa·s-1) at 700 hPa in different phases (The “A” and “C” are for abnormal anticyclone and abnormal cyclone, respectively)