Technical Note: A new SIze REsolved Aerosol Model SIREAMReport as inadecuate

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1 CEREA - Centre d-Enseignement et de Recherche en Environnement Atmosphérique

Abstract : We briefly present in this short paper a new SIze REsolved Aerosol Model SIREAM which simulates the evolution of atmospheric aerosol by solving the General Dynamic Equation GDE. SIREAM segregates the aerosol size distribution into sections and solves the GDE by splitting coagulation and condensation-evaporation. A moving sectional approach is used to describe the size distribution change due to condensation-evaporation and a hybrid method has been developed to lower the computational burden. SIREAM uses the same physical parameterizations as those used in the Modal Aerosol Model, MAM sartelet05development. It is hosted in the modeling system POLYPHEMUS Mallet et al., 2006 but can be linked to any other three-dimensional Chemistry-Transport Model.

Author: E. Debry - K. Fahey - K. Sartelet - B. Sportisse - M. Tombette -



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