Articles | Volume 9, issue 7
Development and technical paper
25 Jul 2016
Development and technical paper |  | 25 Jul 2016

A consistent prescription of stratospheric aerosol for both radiation and chemistry in the Community Earth System Model (CESM1)

Ryan Reynolds Neely III, Andrew J. Conley, Francis Vitt, and Jean-François Lamarque

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Short summary
We describe an updated scheme for prescribing stratospheric aerosol in the Community Earth System Model (CESM1). The inadequate response of the CESM1 to large volcanic disturbances to the stratospheric aerosol layer (such as the 1991 Pinatubo eruption) in comparison to observations motivates the need for a new parameterization. Simulations utilizing the new scheme successfully reproduce the observed global mean and local stratospheric temperature response to the Pinatubo eruption.