首页|期刊导航|大气和海洋科学快报（英文版）|Mechanisms governing the evolution of a long-lived northwest vortex that caused a series of disasters in Northwest China
大气和海洋科学快报（英文版）2022，Vol.15Issue(2)：19-25,7.
Mechanisms governing the evolution of a long-lived northwest vortex that caused a series of disasters in Northwest China
Mechanisms governing the evolution of a long-lived northwest vortex that caused a series of disasters in Northwest China
摘要
Abstract
西北涡是我国西北地区一类发生频率较高的中尺度涡旋,其所引发灾害的强度与西南低涡,高原涡相当,但相关研究却远远少于前两种涡旋.为了深化对西北涡的认识,本文利用水汽与环流收支对一次长生命史西北涡(其在西北地区引发了一系列暴雨过程,导致了严重的输电线路故障与城市内涝)进行了研究,发现,东海与渤海是此西北涡引发暴雨的主要水汽来源,东风与东南风则是主要的输送气流.辐合所引起的垂直伸展是西北涡发展的主导因子,而涡旋由较强背景涡度区向较弱背景涡度区的移动则一定程度上延缓了涡旋的发展.关键词
西北涡/暴雨/输电线路故障/水汽收支/环流收支Key words
Northwest vortex/Torrential rainfall/Transmission line faults/Moistrue budget/Circulation budget引用本文复制引用
Shuang-Long Jin,Bo Wang,Shuang-Lei Feng,Xiao-Lin Liu,Zong-Peng Song,Ju Hu,Zheng Li..Mechanisms governing the evolution of a long-lived northwest vortex that caused a series of disasters in Northwest China[J].大气和海洋科学快报（英文版）,2022,15(2):19-25,7.基金项目
This research was supported by the Science and Technology Foun-dation of the State Grid Corporation of China[grant number 5200-202016243A-0-0-00]and the Innovation Fund of the China Electric Power Research Institute[grant number NY83-20-003]. （）
