Preprints
https://doi.org/10.5194/acp-2021-855
https://doi.org/10.5194/acp-2021-855

  28 Oct 2021

28 Oct 2021

Review status: this preprint is currently under review for the journal ACP.

Two-way coupled meteorology and air quality models in Asia: a systematic review and meta-analysis of impacts of aerosol feedbacks on meteorology and air quality

Chao Gao1, Aijun Xiu1, Xuelei Zhang1, Qingqing Tong1, Hongmei Zhao1, Shichun Zhang1, Guangyi Yang1,2, and Mengduo Zhang1,2 Chao Gao et al.
  • 1Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130102, China
  • 2University of Chinese Academy of Sciences, Beijing, 100049, China

Abstract. Atmospheric aerosols can exert influence on meteorology and air quality through aerosol-radiation interactions (ARI) and aerosol-cloud interactions (ACI) and this two-way feedback has been studied by applying two-way coupled meteorology and air quality models. As one of regions with high aerosol loading in the world, Asia has attracted many researchers to investigate the aerosol effects with several two-way coupled models (WRF-Chem, WRF-CMAQ, GRAPES-CUACE and WRF-NAQPMS) over the last decade. This paper attempts to offer bibliographic analysis regarding the current status of applications of two-way coupled models in Asia, related research focuses, model performances and the effects of ARI or/and ACI on meteorology and air quality. There are total 157 peer-reviewed articles published between 2010 and 2019 in Asia meeting the inclusion criteria, with more than 81 % of papers involving the WRF-Chem model. The number of relevant publications has an upward trend annually and East Asia, India, China, as well as the North China Plain are the most studied areas. The effects of ARI and both ARI and ACI induced by natural aerosols (particularly mineral dust) and anthropogenic aerosols (bulk aerosols, different chemical compositions and aerosols from different sources) are widely investigated in Asia. Through the meta-analysis of surface meteorological and air quality variables simulated by two-way coupled models, the model performance affected by aerosol feedbacks depends on different variables, simulation time lengths, selection of two-way coupled models, and study areas. Future research perspectives with respect to the development, improvement, application, and evaluation of two-way coupled meteorology and air quality models are proposed.

Chao Gao et al.

Status: open (until 24 Dec 2021)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2021-855', Anonymous Referee #1, 19 Nov 2021 reply

Chao Gao et al.

Chao Gao et al.

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Short summary
With ever-growing applications of two-way coupled meteorology and air quality models in Asia over the past decade, this paper is intended to summarize the current status and research focuses, and how aerosol effects impacting model performance, meteorology, and air quality. These models enable investigations of ARI and ACI effects induced by natural and anthropogenic aerosols in Asia with serious air pollution problems. The current gaps and perspectives are also presented and discussed.
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