青藏高原夏季风和北半球夏季季节内振荡对中国西南地区雨季旱涝的影响及协同作用

马萌萌, 左洪超, 李立程, 段济开

Individual and joint influence of the Qinghai-Tibetan Plateau summer monsoon and boreal summer intraseasonal oscillation on drought and flood in rainy season of southwestern China

MA Mengmeng, ZUO Hongchao, LI Licheng, DUAN Jikai

图6 1981—2020年AQ组合相位期间中国西南地区雨季的500 hPa(a、c、e、g)、850 hPa(b、d、f、h)高度场(填色区，单位：dagpm)和风场(箭头，单位： m·s-1)距平合成 (网格填色区域和箭头均通过α=0.05的显著性检验，红色方框包围区域为中国西南地区。下同) (a、b)B1-23-AQ，(c、d)B1-56-AQ，(e、f)B2-34-AQ，(g、h)B2-67-AQ

Fig.6 Composites of 500 hPa (a， c， e， g)， 850 hPa (b， d， f， h) geopotential height field (color shaded areas， Unit： dagpm) and wind field (arrows， Unit： m·s-1) anomaly in rainy season of southwestern China during the combined AQ from 1981 to 2020 (The color grid areas and arrows pass the significance test at 0.05 level， and the area enclosed by the red box is the southwestern China. the same as below) (a， b) B1-23-AQ， (c， d) B1-56-AQ， (e， f) B2-34-AQ， (g， h) B2-67-AQ