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投稿时间:2023-12-28 修订日期:2024-01-12
投稿时间:2023-12-28 修订日期:2024-01-12
中文摘要: 2023年,我国气候主要表现为暖干的特征,全国平均气温10.71℃,较1991—2020年气候平均偏高0.82℃,为1951年以来最暖;全国平均降水量615.0mm,较常年偏少3.9%,为2012年以来第二少。四季气温均较常年同期偏高,其中夏、秋季分别为历史同期次高和最高;除秋季降水偏多外,其余三季降水均偏少。汛期(5—9月),全国平均降水量较常年同期偏少4.3%,为2012年以来第二少,我国中东部降水总体呈“中间多南北少”的分布。2023年,我国区域性气象干旱多发,西南地区遭遇冬春连旱;春季北方沙尘天气过程偏多;夏季前期,华北和黄淮遭受1961年以来最强高温过程;7月底至8月初,受台风杜苏芮影响,京津冀地区发生历史罕见极端强降水过程,华北地区出现“旱涝急转”;华西秋雨开始早、结束晚、雨量多;1月中旬发生年内最强寒潮过程;秋末冬初冷空气频繁入侵,12月华北和黄淮等地降雪日数偏多、积雪偏深。
中文关键词: 气候异常特征,极端天气气候事件,气象灾害
Abstract:China experienced a warm and dry climate in 2023 with the national average temperature reaching 10.71℃, which is 0.82℃ warmer than the climatology of 1991-2020 and has peaked the warmest temperature since 1951. The annual precipitation averaged over China was 615.0 mm, being 3.9% less than the normal and the second lowest since 2012. The temperatures in all four seasons in the year were higher than normal values, and the summer and autumn temperatures were found to be the second warmest and the warmest in the same periods in records, respectively. In terms of precipitation in 2023, precipitation in autumn was more than normal, but less than normal in the other three seasons. During the rainy season from May to September, the national average precipitation was reduced by 4.3% compared to the normal amount, recorded as the second lowest since 2012. The precipitation in the central and eastern parts of China was characterized by the distribution of more in the middle and less in the north and south. In 2023, China suffered from many types of regional meteorological disasters. First of all, droughts occurred in many regions, and particularly the Southwest China experienced consecutive drought from winter to spring. Also in spring, more than normal sand-dust processes attacked northern China. Then, in early summer, North China and the Huanghuai Region endured the most intense high-temperature process since 1961. From the end of July to the beginning of August, a rarely-seen extremely severe precipitation process, which was caused by the Super Typhoon Doksuri, hit the Beijing-Tianjin-Hebei Region, incurring heavy flood disaster, thus a phenomenon “rapid transfer from drought to flood” occurred in North China. The autumn rain in West China started earlier but ended late, resulting much more rainfall than normal. In addition, there were more than normal cold waves impacting China all the year round, and the most intense cold wave took place in mid-January. Moreover, cold airs frequently appeared in late autumn and early winter, making more heavy snowfall days and deeper snow depth in December in North China and Huanghuai Region.
keywords: climate anomaly characteristic, extreme weather and climate event, meteorological disaster
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基金项目:国家重点研发计划(2023YFC3206001、2018YFC150706)、中国气象局创新发展专项(CXFZ2024J071)和国家自然科学基金项目(U2342209、42175078)共同资助
引用文本:
竺夏英,孙林海,钟海玲,支蓉,艾婉秀,姜允迪,李威,陈鲜艳,邹旭恺,王凌,赵珊珊,曾红玲,王有民,冯爱青,朱晓金,代潭龙,郭艳君,张颖娴,李想,龚振淞,2024.2023年中国气候异常特征及主要天气气候事件[J].气象,50(2):246-256.
ZHU Xiaying,SUN Linhai,ZHONG Hailing,ZHI Rong,AI Wanxiu,JIANG Yundi,LI Wei,CHEN Xianyan,ZOU Xukai,WANG Ling,ZHAO Shanshan,ZENG Hongling,WANG Youmin,FENG Aiqing,ZHU Xiaojin,DAI Tanlong,GUO Yanjun,ZHANG Yingxian,LI Xiang,GONG Zhensong,2024.Characteristics of Climate Anomalies and Major Meteorological Events over China in 2023[J].Meteor Mon,50(2):246-256.
竺夏英,孙林海,钟海玲,支蓉,艾婉秀,姜允迪,李威,陈鲜艳,邹旭恺,王凌,赵珊珊,曾红玲,王有民,冯爱青,朱晓金,代潭龙,郭艳君,张颖娴,李想,龚振淞,2024.2023年中国气候异常特征及主要天气气候事件[J].气象,50(2):246-256.
ZHU Xiaying,SUN Linhai,ZHONG Hailing,ZHI Rong,AI Wanxiu,JIANG Yundi,LI Wei,CHEN Xianyan,ZOU Xukai,WANG Ling,ZHAO Shanshan,ZENG Hongling,WANG Youmin,FENG Aiqing,ZHU Xiaojin,DAI Tanlong,GUO Yanjun,ZHANG Yingxian,LI Xiang,GONG Zhensong,2024.Characteristics of Climate Anomalies and Major Meteorological Events over China in 2023[J].Meteor Mon,50(2):246-256.