Articles | Volume 19, issue 12 
            
                
                    
                    
            
            
            https://doi.org/10.5194/acp-19-8269-2019
                    © Author(s) 2019. 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-19-8269-2019
                    © Author(s) 2019. This work is distributed under 
the Creative Commons Attribution 4.0 License.
                the Creative Commons Attribution 4.0 License.
IAP-AACM v1.0: a global to regional evaluation of the atmospheric chemistry model in CAS-ESM
Ying Wei
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    
                                            College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
                                        
                                    Xueshun Chen
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    
                                            Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
                                        
                                    Huansheng Chen
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    Jie Li
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    
                                            Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
                                        
                                    Zifa Wang
CORRESPONDING AUTHOR
                                            
                                    
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    
                                            College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
                                        
                                    
                                            Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
                                        
                                    Wenyi Yang
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    Baozhu Ge
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    Huiyun Du
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    
                                            College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
                                        
                                    Jianqi Hao
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    
                                            now at: School of Civil and Environmental Engineering, Georgia
Institute of Technology, Atlanta, GA 30332, USA
                                        
                                    Wei Wang
                                            China National Environmental Monitoring Center, Beijing 100012, China
                                        
                                    Jianjun Li
                                            China National Environmental Monitoring Center, Beijing 100012, China
                                        
                                    
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
                                    
                                            Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
                                        
                                    Huili Huang
                                            The State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
                                        
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                            Cited
21 citations as recorded by crossref.
- Implementation of an Orographic Drag Scheme Considering Orographic Anisotropy in All Flow Directions in the Earth System Model CAS‐ESM 2.0 J. Xie et al. 10.1029/2021MS002585
 - Influence of atmospheric in-cloud aqueous-phase chemistry on the global simulation of SO2 in CESM2 W. Ge et al. 10.5194/acp-21-16093-2021
 - Development of a city-level surface ozone forecasting system using deep learning techniques and air quality model: Application in eastern China Q. Li et al. 10.1016/j.atmosenv.2024.120865
 - Progress and Prospects of the Earth System Numerical Simulation Facility (EarthLab) H. Zhang et al. 10.1007/s13351-025-4912-9
 - High-resolution modeling of the distribution of surface air pollutants and their intercontinental transport by a global tropospheric atmospheric chemistry source–receptor model (GNAQPMS-SM) Q. Ye et al. 10.5194/gmd-14-7573-2021
 - Impact of sub-grid particle formation in sulfur-rich plumes on particle mass and number concentrations over China Y. Wei et al. 10.1016/j.atmosenv.2021.118711
 - Global–regional nested simulation of particle number concentration by combing microphysical processes with an evolving organic aerosol module X. Chen et al. 10.5194/acp-21-9343-2021
 - Description and Climate Simulation Performance of CAS‐ESM Version 2 H. Zhang et al. 10.1029/2020MS002210
 - Chemical Weather and Chemical Climate G. Brasseur & R. Kumar 10.1029/2021AV000399
 - Improvement and Uncertainties of Global Simulation of Sulfate Concentration and Radiative Forcing in CESM2 W. Ge et al. 10.1029/2022JD037623
 - Uncertainties in the simulated intercontinental transport of air pollutants in the springtime from emission and meteorological inputs Q. Ye et al. 10.1016/j.atmosenv.2022.119431
 - Severe Global Environmental Issues Caused by Canada’s Record-Breaking Wildfires in 2023 Z. Wang et al. 10.1007/s00376-023-3241-0
 - Evaluation of CAS-ESM2 in simulating the spring dust activities in the Middle East A. Kamal et al. 10.1016/j.atmosres.2024.107324
 - Present-Day PM2.5 over Asia: Simulation and Uncertainty in CMIP6 ESMs X. Su et al. 10.1007/s13351-022-1202-7
 - The source of Double ITCZ induced by the SST bias over the tropical western Pacific as reflected in CAS-ESM2 Model J. Tong et al. 10.1007/s11430-023-1304-5
 - Assessment of the impacts of cloud chemistry on surface SO2 and sulfate levels in typical regions of China J. Lu et al. 10.5194/acp-23-8021-2023
 - Investigating the importance of sub-grid particle formation in point source plumes over eastern China using IAP-AACM v1.0 with a sub-grid parameterization Y. Wei et al. 10.5194/gmd-14-4411-2021
 - Impacts of reductions in non-methane short-lived climate forcers on future climate extremes and the resulting population exposure risks in eastern and southern Asia Y. Li et al. 10.5194/acp-23-2499-2023
 - Global health impacts of PAHs based on high-resolution modeling by dynamic simulation and relative emission downscaling Z. Wu et al. 10.1016/j.atmosenv.2025.121340
 - China’s EarthLab—Forefront of Earth System Simulation Research Z. Chai et al. 10.1007/s00376-021-1175-y
 - Modeling of polycyclic aromatic hydrocarbons (PAHs) from global to regional scales: model development (IAP-AACM_PAH v1.0) and investigation of health risks in 2013 and 2018 in China Z. Wu et al. 10.5194/gmd-17-8885-2024
 
21 citations as recorded by crossref.
- Implementation of an Orographic Drag Scheme Considering Orographic Anisotropy in All Flow Directions in the Earth System Model CAS‐ESM 2.0 J. Xie et al. 10.1029/2021MS002585
 - Influence of atmospheric in-cloud aqueous-phase chemistry on the global simulation of SO2 in CESM2 W. Ge et al. 10.5194/acp-21-16093-2021
 - Development of a city-level surface ozone forecasting system using deep learning techniques and air quality model: Application in eastern China Q. Li et al. 10.1016/j.atmosenv.2024.120865
 - Progress and Prospects of the Earth System Numerical Simulation Facility (EarthLab) H. Zhang et al. 10.1007/s13351-025-4912-9
 - High-resolution modeling of the distribution of surface air pollutants and their intercontinental transport by a global tropospheric atmospheric chemistry source–receptor model (GNAQPMS-SM) Q. Ye et al. 10.5194/gmd-14-7573-2021
 - Impact of sub-grid particle formation in sulfur-rich plumes on particle mass and number concentrations over China Y. Wei et al. 10.1016/j.atmosenv.2021.118711
 - Global–regional nested simulation of particle number concentration by combing microphysical processes with an evolving organic aerosol module X. Chen et al. 10.5194/acp-21-9343-2021
 - Description and Climate Simulation Performance of CAS‐ESM Version 2 H. Zhang et al. 10.1029/2020MS002210
 - Chemical Weather and Chemical Climate G. Brasseur & R. Kumar 10.1029/2021AV000399
 - Improvement and Uncertainties of Global Simulation of Sulfate Concentration and Radiative Forcing in CESM2 W. Ge et al. 10.1029/2022JD037623
 - Uncertainties in the simulated intercontinental transport of air pollutants in the springtime from emission and meteorological inputs Q. Ye et al. 10.1016/j.atmosenv.2022.119431
 - Severe Global Environmental Issues Caused by Canada’s Record-Breaking Wildfires in 2023 Z. Wang et al. 10.1007/s00376-023-3241-0
 - Evaluation of CAS-ESM2 in simulating the spring dust activities in the Middle East A. Kamal et al. 10.1016/j.atmosres.2024.107324
 - Present-Day PM2.5 over Asia: Simulation and Uncertainty in CMIP6 ESMs X. Su et al. 10.1007/s13351-022-1202-7
 - The source of Double ITCZ induced by the SST bias over the tropical western Pacific as reflected in CAS-ESM2 Model J. Tong et al. 10.1007/s11430-023-1304-5
 - Assessment of the impacts of cloud chemistry on surface SO2 and sulfate levels in typical regions of China J. Lu et al. 10.5194/acp-23-8021-2023
 - Investigating the importance of sub-grid particle formation in point source plumes over eastern China using IAP-AACM v1.0 with a sub-grid parameterization Y. Wei et al. 10.5194/gmd-14-4411-2021
 - Impacts of reductions in non-methane short-lived climate forcers on future climate extremes and the resulting population exposure risks in eastern and southern Asia Y. Li et al. 10.5194/acp-23-2499-2023
 - Global health impacts of PAHs based on high-resolution modeling by dynamic simulation and relative emission downscaling Z. Wu et al. 10.1016/j.atmosenv.2025.121340
 - China’s EarthLab—Forefront of Earth System Simulation Research Z. Chai et al. 10.1007/s00376-021-1175-y
 - Modeling of polycyclic aromatic hydrocarbons (PAHs) from global to regional scales: model development (IAP-AACM_PAH v1.0) and investigation of health risks in 2013 and 2018 in China Z. Wu et al. 10.5194/gmd-17-8885-2024
 
Latest update: 03 Nov 2025
Short summary
                    This study presents a full description and evaluation of a global–regional nested aerosol and atmospheric chemistry model (IAP-AACM). The simulation for 2014 is evaluated against model datasets and a range of observational datasets. The results show that IAP-AACM is within the range of other models, and reproduces both spatial and seasonal variation of trace gases and aerosols over most areas well. In future, we recommend improving the model's ability to capture high spatial variation of PM2.5.
                    This study presents a full description and evaluation of a global–regional nested aerosol and...
                    
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