2022年与2013年浙江夏季极端高温特点和成因对比

付远, 刘汉华, 周玲丽, 赵军平, 马昊, 陆婷婷, 魏蕾, 宣卓林

Comparative analysis of characteristics and causes of summer extreme high temperatures in Zhejiang in 2022 and 2013

FU Yuan, LIU Hanhua, ZHOU Lingli, ZHAO Junping, MA Hao, LU Tingting, WEI Lei, XUAN Zhuolin

图3 2022 年(a)及2013年(b)7- 8月500 hPa位势高度场(实线)及其距平(填色), 2022年(c)与2013年(d)夏季28°N31°N经向平均的500hPa位势高度的经度-时间剖面(单位:dagpm) [黑色粗实线和粗虚线分别为588dagpm线在7-8月及气候平均的位置;黑色虚线围成区域表示浙江所在位置(118°E-121°E)]

Fig.3 The 500 hPa geopotential height ( contours) and its anomalies ( the color shaded) from July to August in 2022 (a) and 2013 (b), and the longitude-time cross-sections of 500 hPa geopotential height averaged over 28° N-31°N in summers of 2022 (c) and 2013 (d) (Unit: dagpm) (The thick black solid line and thick dashed lines are the 588 dagpm lines in July-August and the climatological average，respectively. The area enclosed by the black dashed lines represents the location of Zhejiang Province (118° E-121°E), the same as below)