2022年夏季长江流域重大干旱特征及其成因研究
李忆平, 张金玉, 岳平, 王素萍, 查鹏飞, 王丽娟, 沙莎, 张良, 曾鼎文, 任余龙, 胡蝶

Study on characteristics of severe drought event over Yangtze River Basin in summer of 2022 and its causes
LI Yiping, ZHANG Jinyu, YUE Ping, WANG Suping, ZHA Pengfei, WANG Lijuan, SHA Sha, ZHANG Liang, ZENG Dingwen, REN Yulong, HU Die
图8 2022年7月上旬至8月下旬100 hPa高度场(黑色等值线)及其距平(填色区)的逐旬演变(单位:gpm)
(红线为16 800 gpm线,绿线为其气候态)
(a)7月上旬,(b)7月中旬,(c)7月下旬,(d)8月上旬,(e)8月中旬,(f)8月下旬
Fig.8 Ten-day evolution of 100 hPa geopotential height field (black contours) and its anomaly (the color shaded) from early July to late August in 2022 (Unit: gpm)
(The red line is the 16 800 gpm contour, and the green line is its climatological state)
(a) the first ten-day of July, (b) the middle ten-day of July, (c) the last ten-day of July, (d) the first ten-day of August, (e) the middle ten-day of August, (f) the last ten-day of August