Radiation fog properties in two consecutive events under polluted and clean conditions in the Yangtze River Delta, China: a simulation study

Shao, Naifu; Lu, Chunsong; Jia, Xingcan; Wang, Yuan; Li, Yubin; Yin, Yan; Zhu, Bin; Zhao, Tianliang; Liu, Duanyang; Niu, Shengjie; Fan, Shuxian; Yan, Shuqi; Lv, Jingjing

doi:https://doi.org/10.5194/acp-23-9873-2023

Articles | Volume 23, issue 17

https://doi.org/10.5194/acp-23-9873-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-23-9873-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 23, issue 17

Research article

|

06 Sep 2023

Research article |

| 06 Sep 2023

Radiation fog properties in two consecutive events under polluted and clean conditions in the Yangtze River Delta, China: a simulation study

Naifu Shao, Chunsong Lu, Xingcan Jia, Yuan Wang, Yubin Li, Yan Yin, Bin Zhu, Tianliang Zhao, Duanyang Liu, Shengjie Niu, Shuxian Fan, Shuqi Yan, and Jingjing Lv

Supplement

https://doi.org/10.5194/acp-23-9873-2023-supplement

Data sets

Observation Data From Automated Weather Stations In China China Meteorological Data Service Center http://data.cma.cn/en

National Air Quality Monitoring Data China National Environmental Monitoring Center https://quotsoft.net/air/

Himawari Cloud Property Data Japan Meteorological Agency (JMA) https://www.eorc.jaxa.jp/ptree/index.html

The Multi-resolution Emission Inventory Model for Climate and Air Pollution Research MEIC Team http://meicmodel.org.cn/?page_id=2351&lang=en#firstPage

NCEP FNL Operational Model Global Tropospheric Analyses, continuing from July 1999 National Centers for Environmental Prediction/National Weather Service/NOAA/U.S. Department of Commerce https://doi.org/10.5065/D6M043C6

A description of the advanced research WRF version 4 (https://github.com/wrf-model/WRF/releases/tag/v4.1.3) W. C. Skamarock, J. B. Klemp, J. Dudhia, D. O. Gill, Z. Liu, J. Berner, W. Wang, J. Powers, M. Duda, and D. Barker https://doi.org/10.5065/1dfh-6p97

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Short summary

Fog is an important meteorological phenomenon that affects visibility. Aerosols and the planetary boundary layer (PBL) play critical roles in the fog life cycle. In this study, aerosol-induced changes in fog properties become more remarkable in the second fog (Fog2) than in the first fog (Fog1). The reason is that aerosol–cloud interaction (ACI) delays Fog1 dissipation, leading to the PBL meteorological conditions being more conducive to Fog2 formation and to stronger ACI in Fog2.