湖南2022/2023年夏秋冬季持续极端干旱事件特征及成因分析

谢傲, 罗伯良, 邓剑波, 高霞霞

Characteristics and cause analysis of extreme and persistent drought in summer, autumn and winter in 2022/2023 in Hunan Province

XIE Ao, LUO Boliang, DENG Jianbo, GAO Xiaxia

图12 海温和大气环流异常对湖南2022/2023年夏秋冬季持续干旱的影响过程示意图 （底层填色为2022年春季3—5月海温异常，上层等值线为2022年8—11月500 hPa位势高度场）

Fig.12 The schematic diagram of the impact of SST and atmospheric circulation anomaly on persistent drought event in summer antumn and winter in 2022/2023 in Hunan （The color shaded on the bottom map shows the SSTA from March to May in 2022， and the upper contours are 500 hPa potential height field from August to November 2022）