New community effort to coordinate the construction of a Generalized Aerosol/Chemistry Interface (GIANT)

You are currently viewing New community effort to coordinate the construction of a Generalized Aerosol/Chemistry Interface (GIANT)
GIANT is a common interface allowing the exchange of information on aerosol state and properties between any host model (atmospheric model, Earth system model, or idealized driver) and any aerosol package. GIANT will leverage several ongoing community efforts such as MUSICA, which is aimed at coupling CAM physics driven by the SE, MPAS, or FV3 dynamical cores with CARMA and MAM aerosol packages, or EAGLES which is focused on coupling the improved MAM with the next generation E3SM written largely in C++ for exascale performance of convection-permitting simulations. As illustrated here, this effort will increase the portability of aerosol modules between community models. Aerosol chemistry modules contain aerosol processes such as coagulation, gas-particle partitioning, new particle formation, aerosol and cloud chemistry, aerosol optical properties, etc. Additional host models and aerosol chemistry modules are expected to join this effort in the future.
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A new FORCeS paper was published on November 16th in Bulletin of the American Meteorological Society, authored by Hodzic et al. (2023). In this paper, the authors announce a new community effort to coordinate the construction of a standardized interface between aerosol/chemistry modules and the host model, facilitating communication between the two.

Aerosol and chemical components in the air are of high importance in Earth System Models (ESMs) since they predict the concentration of air pollutants, which affects human health, weather, and climate. However, these models use different ways to represent the components, making it hard to compare or move them between models. To solve this, researchers connected to the FORCeS project wants to create a new Generalized Aerosol/Chemistry Interface called GIANT in order to connect these parts of the models together. GIANT will help different models talk to each other about aerosols and chemicals in the air, allowing researchers to study and compare these parts better, which could make the models more accurate. The plan is to bring researchers together through workshops and events to build GIANT, and use it in different models worldwide.

Read the full article here:

https://journals.ametsoc.org/view/journals/bams/104/11/BAMS-D-23-0013.1.xml