Articles | Volume 21, issue 19
https://doi.org/10.5194/acp-21-15185-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-21-15185-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Comparison of the influence of two types of cold surge on haze dispersion in eastern China
Shiyue Zhang
Key Laboratory of Meteorological Disaster, Ministry of Education/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters (CIC-FEMD), Nanjing University of Information
Science and Technology, Nanjing, 210044, China
Gang Zeng
CORRESPONDING AUTHOR
Key Laboratory of Meteorological Disaster, Ministry of Education/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters (CIC-FEMD), Nanjing University of Information
Science and Technology, Nanjing, 210044, China
Xiaoye Yang
Key Laboratory of Meteorological Disaster, Ministry of Education/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters (CIC-FEMD), Nanjing University of Information
Science and Technology, Nanjing, 210044, China
Ruixi Wu
Meteorological Bureau of Jiading District, Shanghai, 201815, China
Zhicong Yin
Key Laboratory of Meteorological Disaster, Ministry of Education/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters (CIC-FEMD), Nanjing University of Information
Science and Technology, Nanjing, 210044, China
Southern Marine Science and Engineering Guangdong Laboratory
(Zhuhai), Zhuhai, 519080, China
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Subject: Dynamics | Research Activity: Laboratory Studies | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
Three dominant synoptic atmospheric circulation patterns influencing severe winter haze in eastern China
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Linkages between the atmospheric transmission originating from the North Atlantic Oscillation and persistent winter haze over Beijing
Water vapor anomaly over the tropical western Pacific in El Niño winters from radiosonde and satellite observations and ERA5 reanalysis data
Characteristics of the summer atmospheric boundary layer height over the Tibetan Plateau and influential factors
The relationship between anticyclonic anomalies in northeastern Asia and severe haze in the Beijing–Tianjin–Hebei region
Response of early winter haze in the North China Plain to autumn Beaufort sea ice
Understanding severe winter haze events in the North China Plain in 2014: roles of climate anomalies
Understanding the recent trend of haze pollution in eastern China: roles of climate change
Impacts of the mountain–plains solenoid and cold pool dynamics on the diurnal variation of warm-season precipitation over northern China
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The number of winter haze days over the north-central North China Plain in 2014 was largest in the past 30 years. With the anticyclone circulation over North China taken as an intermediate, the positive phases of the east Atlantic/west Russia, western Pacific, and Eurasian patterns led to a larger number of haze days in 2014. The related external forcing included preceding autumn Arctic sea ice, winter and pre-autumn surface temperature, and pre-autumn sea surface temperature in the Pacific.
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The variability of the autumn Arctic sea ice extent, local precipitation and surface wind during winter is most influential to the haze pollution change in eastern China. The joint effect of fast increase of total energy consumption, rapid decline of Arctic sea ice extent and reduced precipitation and surface winds intensified the haze pollution in central North China after 2000. There is similar conclusion for haze pollution in eastern South China after 2000.
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Zhong, W., Yin, Z., and Wang, H.: The relationship between anticyclonic anomalies in northeastern Asia and severe haze in the Beijing–Tianjin–Hebei region, Atmos. Chem. Phys., 19, 5941–5957, https://doi.org/10.5194/acp-19-5941-2019, 2019.
Short summary
This study classified the winter cold surge in eastern China into blocking cold surge and wave-train cold surge and investigated the difference of haze dispersion ability between the two types. The results show that the haze dispersion of blocking cold surge is weaker than that of wave-train cold surge. In the past 4 decades, the frequency of wave-train (blocking) cold surge shows a downward (upward) trend, which means that the ability of cold surge to disperse haze is declining.
This study classified the winter cold surge in eastern China into blocking cold surge and...
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