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Study on the applicability of the Earth system variable grid technology to the simulation of atmospheric composition in East Asia
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Yi-chao ZHOU1, Xue-wei HOU1, *, Man YUE2, Yu-xiang JIN1
China Environmental Science | 2025, 45(11) : 6045 - 6057
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China Environmental Science | 2025, 45(11): 6045-6057
• Air Pollution Control •
Study on the applicability of the Earth system variable grid technology to the simulation of atmospheric composition in East Asia
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Yi-chao ZHOU1, Xue-wei HOU1, *, Man YUE2, Yu-xiang JIN1
Affiliations
  • 1.Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Joint International Research Laboratory of Climate and Environment Change, Key Laboratory of Meteorological Disaster, Ministry of Education, Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing 210044, China
  • 2.Zhejiang Provincial Institute of Meteorological Sciences, Hangzhou 310008, China
Published: 2025-11-20
Outline
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This study establishes two sets of experiments to compare the performance of the latest version of the Community Earth System Model (CESM2) in simulating atmospheric pollutants over East Asia. The first set employs the MUSICA simulation with regional refinement over East Asia (SE), while the second set utilizes the conventional grid configuration of CESM (FCSD). Both simulations are evaluated against satellite and surface observations to assess the advantages of the variable-resolution approach in modeling regional air pollution over East Asia.Results demonstrate that while FCSD exhibits superior performance in simulating tropospheric ozone column concentrations due to its finer vertical resolution, the SE configuration outperforms FCSD in capturing surface O3, CO, and NO2levels over China. Compared to observational data from the China National Environmental Monitoring Centre (CNEMC), SE reduces mean seasonal biases by approximately 5.0%, 6.4%, and 52.9% for O3, CO, and NO2, respectively, relative to FCSD. Furthermore, the Earth System Model framework provides a comprehensive representation of stratospheric chemistry and dynamics, offering a powerful tool for investigating stratosphere-troposphere exchange processes. This capability holds significant implications for both global climate change research and regional air quality management.

CESM2  /  MUSICAv0  /  regional refinement  /  pollutant simulation
周逸超, 侯雪伟, 乐满, 金宇翔. 地球系统变网格技术对东亚地区大气成分的模拟适用性研究. 中国环境科学, 2025 , 45 (11) : 6045 -6057 .
Yi-chao ZHOU, Xue-wei HOU, Man YUE, Yu-xiang JIN. Study on the applicability of the Earth system variable grid technology to the simulation of atmospheric composition in East Asia[J]. China Environmental Science, 2025 , 45 (11) : 6045 -6057 .
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Year 2025 volume 45 Issue 11
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Article Info
  • Receive Date：2025-02-27
  • Online Date：2026-10-08
  • Published：2025-11-20
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  • Received：2025-02-27
Funding
Affiliations
    1.Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Joint International Research Laboratory of Climate and Environment Change, Key Laboratory of Meteorological Disaster, Ministry of Education, Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing 210044, China
    2.Zhejiang Provincial Institute of Meteorological Sciences, Hangzhou 310008, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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