海温和MJO对2023年西南春旱的协同影响
陆晓娟, 王芝兰, 张金玉, 王昀, 王丽娟, 胡蝶, 沙莎, 王素萍, 李忆平

The synergistic effect of sea temperature and MJO on spring drought in southwestern China in 2023
LU Xiaojuan, WANG Zhilan, ZHANG Jinyu, WANG Yun, WANG Lijuan, HU Die, SHA Sha, WANG Suping, LI Yiping
图10 2022年1月至2023年8月IOBW和NINO.WEST指数(a)、4月IOBW(b)、NINO.WEST(c)大于等于1个标准差的年份合成的850 hPa流函数异常(等值线,虚线表示负值,单位:106 m2·s-1)及其信度水平(填色区,负值表示流函数为负,单位:%)
(红色框线区域为西南地区)
Fig.10 IOBW and NINO.WEST index from January, 2022 to August, 2023 (a), composite of 850 hPa stream function anomalies in the years with IOBW (b) and NINO.WEST (c)greater than or equal to 1 standard deviation in April (isolines, the dotted line represents a negative value, Unit: 106 m2·s-1) and its confidence level (the color shaded, a negative value indicates that the stream function is negative, Unit: %)
(The red border area indicates southwestern China)