State of the climate in the Three Gorges Region of the Yangtze River basin in 2020

被引：0
|
作者：
Tong Cui [1 ]
Xianyan Chen [1 ]
Xukai Zou [1 ]
Qiang Zhang [1 ]
Shuai Li [2 ]
Hongling Zeng [1 ]
机构：
[1] National Climate Center, China Meteorological Administration
[2] Operation and Administration Center for River Basin Hydro Complex, China Three Gorges Corporation
来源：
AtmosphericandOceanicScienceLetters | 2022年 / 15卷 / 02期
基金：
国家重点研发计划;
关键词：
三峡地区; 长江; 气候状况; 天气和气候事件; 气象灾害;
D O I：
暂无
中图分类号：
P463 [中气候与小气候];
学科分类号：
0706 ; 070601 ;
摘要：
2020年,长江三峡地区年平均气温17.2°C,接近常年;年平均降水量1530.8毫米,偏多29%,为1961年以来第二多,仅次于1998年. 6月, 7月降水量及年平均暴雨日数均为1961年以来第二多.平均风速较常年偏大;相对湿度略偏高;各月均无酸雨出现,近十余年酸雨强度呈现明显减弱趋势. 2020年,三峡地区夏季暴雨洪涝灾害重.分析表明,冷空气频繁南下与西南暖湿水汽丰沛是造成三峡地区6–7月降水异常偏多的直接原因. 2020年春季以来,印度洋海温持续偏暖导致西北太平洋副热带高压持续偏强偏南可能是造成6–7月长江流域气候异常的重要原因.
引用
收藏
页码：9 / 14
页数：6
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