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The new generation of integrated atmospheric dynamics and composition models is based on the seamless Earth System Modelling (ESM) approach to evolve from separate model components to seamless meteorology-composition-environment models to address challenges in weather, climate, and atmospheric composition fields whose interests, applications, and challenges are now overlapping. Online-coupled composition/chemistry-meteorology models (CCMM) have greatly evolved in recent three decades. Although mainly developed by the air quality (AQ) modeling community, these CCMMs are also of interest for numerical weather prediction (NWP) and climate modeling as they can consider both the effects of meteorology on AQ, and the potentially important effects of atmospheric composition on weather. Migration from offline to online integrated modeling and seamless environmental prediction systems are recommended for consistent treatment of processes and allowance of two-way interactions of physical and chemical components, particularly for AQ and NWP communities. Regarding atmospheric composition modelling, the CCMM approach will certainly improve forecast capabilities allowing a correct way of jointly and consistently describing meteorological and chemical processes within the same model time steps and grid cells. Applications that may benefit from CCMM are numerous and include: chemical weather forecasting (CWF), NWP for precipitation, visibility, thunderstorms, etc., integrated urban meteorology, environment and climate services, sand and dust storm modeling and warning systems, wildfire atmospheric pollution and effects, volcano ash forecasting, warning and effects, high impact weather and disaster risk, effects of short-lived climate forcers, ESM modelling and projections, data assimilation for CWF and NWP, and weather modification and geo-engineering. Online integrated models, however, need harmonized formulations of all processes influencing meteorology and chemistry A brief overview and analysis of integrated meteorology and chemistry model developments during the last 30 year focusing on the main achievements and trends in CCMM developments and applications, as well as existing challenges and future research priorities is provided here.

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Three Decades of Integrated Chemistry and Meteorology Model Developments: Achievements, Main Trends, Applications, Priorities and Challenges

  • 会议论文

  • 发表日期：

    2026年

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  • Alexander Baklanov

摘要

The new generation of integrated atmospheric dynamics and composition models is based on the seamless Earth System Modelling (ESM) approach to evolve from separate model components to seamless meteorology-composition-environment models to address challenges in weather, climate, and atmospheric composition fields whose interests, applications, and challenges are now overlapping. Online-coupled composition/chemistry-meteorology models (CCMM) have greatly evolved in recent three decades. Although mainly developed by the air quality (AQ) modeling community, these CCMMs are also of interest for numerical weather prediction (NWP) and climate modeling as they can consider both the effects of meteorology on AQ, and the potentially important effects of atmospheric composition on weather. Migration from offline to online integrated modeling and seamless environmental prediction systems are recommended for consistent treatment of processes and allowance of two-way interactions of physical and chemical components, particularly for AQ and NWP communities. Regarding atmospheric composition modelling, the CCMM approach will certainly improve forecast capabilities allowing a correct way of jointly and consistently describing meteorological and chemical processes within the same model time steps and grid cells. Applications that may benefit from CCMM are numerous and include: chemical weather forecasting (CWF), NWP for precipitation, visibility, thunderstorms, etc., integrated urban meteorology, environment and climate services, sand and dust storm modeling and warning systems, wildfire atmospheric pollution and effects, volcano ash forecasting, warning and effects, high impact weather and disaster risk, effects of short-lived climate forcers, ESM modelling and projections, data assimilation for CWF and NWP, and weather modification and geo-engineering. Online integrated models, however, need harmonized formulations of all processes influencing meteorology and chemistry A brief overview and analysis of integrated meteorology and chemistry model developments during the last 30 year focusing on the main achievements and trends in CCMM developments and applications, as well as existing challenges and future research priorities is provided here.