WRF-Chem v3.9 simulations of the East Asian dust storm in May 2017: modeling sensitivities to dust emission and dry deposition schemes
Yi Zeng,Minghuai Wang,Chun Zhao,Siyu Chen,Zhoukun Liu,Xin Huang,and Yang Gao
Yi Zeng
Institute for Climate and Global Change Research and School of
Atmospheric Sciences, Nanjing University, 210023 Nanjing, China
Joint International Research Laboratory of Atmospheric and Earth
System Sciences & Institute for Climate and Global Change Research,
Nanjing University, Nanjing, China
Institute for Climate and Global Change Research and School of
Atmospheric Sciences, Nanjing University, 210023 Nanjing, China
Joint International Research Laboratory of Atmospheric and Earth
System Sciences & Institute for Climate and Global Change Research,
Nanjing University, Nanjing, China
Chun Zhao
School of Earth and Space Sciences, University of Science and
Technology of China, Hefei, 230026, China
Siyu Chen
Key Laboratory for Semi-Arid Climate Change of the Ministry of
Education, College of Atmospheric Sciences, Lanzhou University, Lanzhou,
730000, China
Zhoukun Liu
Institute for Climate and Global Change Research and School of
Atmospheric Sciences, Nanjing University, 210023 Nanjing, China
Joint International Research Laboratory of Atmospheric and Earth
System Sciences & Institute for Climate and Global Change Research,
Nanjing University, Nanjing, China
Institute for Climate and Global Change Research and School of
Atmospheric Sciences, Nanjing University, 210023 Nanjing, China
Joint International Research Laboratory of Atmospheric and Earth
System Sciences & Institute for Climate and Global Change Research,
Nanjing University, Nanjing, China
Key Laboratory of Marine Environment and Ecology, Ministry of Education/Institute for Advanced Ocean Study, Ocean University of China, Qingdao, 266100, China
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Dust aerosol can impact many processes of the Earth system, but large uncertainties still remain in dust simulations. In this study, we investigated dust simulation sensitivity to two dust emission schemes and three dry deposition schemes using WRF-Chem. An optimal combination of dry deposition scheme and dust emission scheme has been identified to best simulate the dust storm in comparison with observation. Our results highlight the importance of dry deposition schemes for dust simulation.
Dust aerosol can impact many processes of the Earth system, but large uncertainties still remain...
