不同气候背景下南疆暖季暴雨特征和差异

杨霞, 许婷婷, 张林梅, 华烨, 周鸿奎

Characteristics and differences of rainstorm in the southern Xinjiang during warm season under different climatic backgrounds

YANG Xia, XU Tingting, ZHANG Linmei, HUA Ye, ZHOU Hongkui

图7 暖干期(a、b)和暖湿期(c、d)南疆暖季低槽型暴雨(a、c)和低涡型暴雨(b、d)的500 hPa位势高度场(蓝色等值线,单位:dagpm)、风场(黑色风羽,单位:m·s-1)及850 hPa风场(红色风羽,仅显示风速大于等于4 m·s-1)合成 (灰色填色区为大于等于1500 m的地形,下同)

Fig.7 The composition of geopotential height field (blue lines, Unit: dagpm), wind field (black wind barbs, Unit: m·s-1) at 500 hPa and wind field at 850 hPa (red wind barbs, only plotting wind speed greater than or equal to 4 m·s-1) of low trough rainstorm (a, c) and low vortex rainstorm (b, d) in the warm-dry periods (a, b) and the warm-wet periods (c, d) in the southern Xinjiang (the gray shaded area for terrain greater than or equal to 1500 m, the same as below)