NDLI: Mechanisms for the formation of Northeast China cold vortex and its activities and impacts: An overview

Content Provider	Springer Nature Link
Author	Lian, Yi Shen, Baizhu Li, Shangfeng Liu, Gang Yang, Xu
Copyright Year	2016
Abstract	In the mid 20th century, great efforts were made to investigate the formation process of high-latitude cold vortex, which is regarded as a major weather system in the atmospheric circulation. In the late 1970s, Chinese researchers noticed that the Northeast China cold vortex (NECV) is an active and frequently occurring weather system over Northeast Asia, which is generated under specific conditions of topography and land–sea thermal contrast on the local and regional scales. Thereby, the NECV study was broadened to include synoptic situations, mesoscale and dynamic features, the heavy rain process, etc. Since the 21st century, in the context of the global warming, more attention has been paid to studies of the mechanisms that cause the NECV variations during spring and early summer as well as the climatic impacts of the NECV system. Note that the NECV activity, frequent or not, not only affects local temperature and precipitation anomalies, but also regulates the amount of precipitation over northern China, the Huai River basin, and the middle and lower reaches of Yangtze River. The NECV influence can even reach the Guangdong–Guangxi region. However, compared to the achievements for the blocking system study, theoretical studies with regard to the NECV system are still insufficient. Research activities regarding the mechanisms for the NECV formation, particularly theoretical studies using linear or weak nonlinear methods need to be strengthened in the future. Meanwhile, great efforts should be made to deepen our understanding of the relations of the NECV system to the oceanic thermal forcing, the low-frequency atmospheric variations over mid–high latitudes, and the global warming.
Starting Page	881
Ending Page	896
Page Count	16
File Format	PDF
ISSN	20956037
Journal	Journal of Meteorological Research
Volume Number	30
Issue Number	6
e-ISSN	21980934
Language	English
Publisher	The Chinese Meteorological Society
Publisher Date	2017-01-17
Publisher Place	Beijing
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Northeast China cold vortex blocking global warming high- and low-frequency variations oceanic forcing weak nonlinear method Atmospheric Sciences Meteorology Geophysics and Environmental Physics Atmospheric Protection/Air Quality Control/Air Pollution
Content Type	Text
Resource Type	Article
Subject	Ocean Engineering Atmospheric Science

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