2022年南极3∙18爆发性增温事件及其可能原因

doi:10.12006/j.issn.1673-1719.2022.068

气候变化研究进展 ›› 2022, Vol. 18 ›› Issue (3): 384-388.doi: 10.12006/j.issn.1673-1719.2022.068

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2022年南极3∙18爆发性增温事件及其可能原因

丁明虎¹^,²(), 效存德²^,³, 秦大河²

1 中国气象科学研究院灾害天气国家重点实验室/全球变化与极地研究所,北京 100081
2 中国科学院西北生态环境资源研究院冰冻圈科学国家重点实验室,兰州 730000
3 北京师范大学地表过程与资源生态国家重点实验室,北京 100875

出版日期:2022-05-30 发布日期:2022-04-29
作者简介:丁明虎,男,研究员, dingminghu@foxmail.com
基金资助:
国家自然科学基金委(42122047);科技部重点研发计划(2021YFC2802504);中国气象科学研究院基本科研业务费(2021Z006)

Explosive warming event in Antarctica on 18 March 2022 and its possible causes

Online:2022-05-30 Published:2022-04-29

摘要/Abstract

丁明虎, 效存德, 秦大河. 2022年南极3∙18爆发性增温事件及其可能原因[J]. 气候变化研究进展, 2022, 18(3): 384-388.

图/表 5

图1 南极各观测站位置及2022年2月地表气温异常分布注：相对于1981—2010年异常值。

Fig. 1 The surface air temperature (SAT) anomalies during February 2022, and the location of Dome A, Taishan, Zhongshan, Dome C, and Vostok stations, Antarctica

图2 2022年1月1日至3月23日南极Dome A站、泰山站、中山站、Dome C站和Vostok站日均地表气温变化注：阴影为日均地表气温最大、最小范围。

Fig. 2 Variation of SAT from 1st January to 23rd March 2022 at Dome A, Taishan, Zhongshan, Dome C, and Vostok stations, Antarctica

图3 2022年3月14—19日日均地表气温异常

Fig. 3 The SAT anomalies from 14th to 19th March 2022

图4 2022年3月14—19日500 hPa风场和位势高度异常场

Fig. 4 The 500 hPa wind and geopotential height anomalies from 14th to 19th March 2022

图5 南极Dome A站、Dome C站和Vostok站极端温度事件强度（a,b,e,f）和频率变化（c,d,g,h）注：极端高温事件的强度和频率分别用最大日最高气温和暖日指数来表征;极端低温事件的强度和频率分别用最小日最低气温和冷夜指数来表征,且最小日最低气温越来越高,代表极端低温事件的强度降低。

Fig. 5 The variations of intensity (a, b, e, f) and frequency (c, d, g, h) of extreme temperature event at Dome A, Dome C and Vostok stations

参考文献 8

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2022年南极3∙18爆发性增温事件及其可能原因

Explosive warming event in Antarctica on 18 March 2022 and its possible causes

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