河西走廊2023年春季两次强沙尘天气过程对比
何敏, 王金龙, 黄玉霞, 苟尚, 张可心, 王彩凡, 魏雅鹏, 张艳荣, 张伊婕, 安俊宝

Comparison of two severe sand-dust weather processes over the Hexi Corridor in spring 2023
HE Min, WANG Jinlong, HUANG Yuxia, GOU Shang, ZHANG Kexin, WANG Caifan, WEI Yapeng, ZHANG Yanrong, ZHANG Yijie, AN Junbao
图3 2023年3月20日08:00(a、c)、4月19日08:00(b、d)500 hPa位势高度场(黑实线,单位:dagpm)、温度场(红虚线,单位:℃)、风场(风矢,单位:m·s-1)(a、b)及海平面气压(紫色等值线,单位:hPa)和地面风场(风矢,单位:m·s-1)(c、d)
(字母D表示低压中心,字母G表示高压中心,棕色粗线表示槽线,蓝色粗线表示锋面)
Fig.3 Geopotential height field (black solid lines, Unit: dagpm), temperature field (red dashed lines, Unit: ℃), and wind field (wind vectors, Unit: m·s-1) at 500 hPa (a, b), and sea level pressure field (purple contours, Unit: hPa) and surface wind field (wind vectors, Unit: m·s-1) (c, d) at 08: 00 on 20 March (a, c) and 19 April (b, d) 2023
(The letter D denotes low-pressure center, and the letter G denotes high-pressure center, thick brown line represents trough line, and thick blue line represents front)