伊犁河谷春季极端暴雨水汽特征与不稳定机制分析
Analysis of water vapor characteristics and unstable mechanism of extreme rainstorm in spring in Yili River Valley
（灰色填充区为地形）
(The gray filled area is terrain)
伊犁河谷春季极端暴雨水汽特征与不稳定机制分析 |
| 魏娟娟, 万瑜, 潘宁, 肖俊安 |
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Analysis of water vapor characteristics and unstable mechanism of extreme rainstorm in spring in Yili River Valley |
| WEI Juanjuan, WAN Yu, PAN Ning, XIAO Junʼan |
| 图2 2022年5月5日14:00 500 hPa位势高度场（等值线，单位：dagpm）和风场（风矢，单位：m·s-1）（a）、850 hPa风场（风矢，单位：m·s-1）和地形抬升速度（等值线，单位：Pa·s-1）（b）及5日20:00沿44°N的散度（等值线，单位：10-5 s-1）、涡度平流（填色，单位：10-9 s-2）、风场（风矢，单位：m·s-1）（c）与垂直速度（填色，单位：Pa·s-1）和流场（流线）（d）的剖面 （灰色填充区为地形） |
| Fig.2 The 500 hPa geopotential height field (isolines, Unit: dagpm), wind field (wind vectors, Unit: m·s-1) (a) and 850 hPa wind field (wind vectors, Unit: m·s-1), terrain uplift velocity (isolines, Unit: Pa·s-1) (b) at 14:00 on May 5, 2022, the cross sections of divergence (isolines, Unit:10-5 s-1), vorticity advection (the color shaded, Unit: 10-9 s-2), wind field (wind vectors, Unit: m·s-1) (c) and vertical velocity (the color shaded, Unit: Pa·s-1), flow field (streamlines) (d) at 20:00 on May 5, 2022 along 44°N (The gray filled area is terrain) |
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