Articles | Volume 20, issue 21
Atmos. Chem. Phys., 20, 13627–13654, 2020
https://doi.org/10.5194/acp-20-13627-2020
Atmos. Chem. Phys., 20, 13627–13654, 2020
https://doi.org/10.5194/acp-20-13627-2020

Research article 13 Nov 2020

Research article | 13 Nov 2020

Evaluating the simulated radiative forcings, aerosol properties, and stratospheric warmings from the 1963 Mt Agung, 1982 El Chichón, and 1991 Mt Pinatubo volcanic aerosol clouds

Sandip S. Dhomse et al.

Data sets

UMUKCA Volcanic forcing data from Dhomse et al., 2020, ACP Sandip S. Dhomse, Graham W. Mann, Juan Carlos Antuña Marrero, Sarah E. Shallcross, Martyn P. Chipperfield, Kenneth S. Carslaw, Lauren Marshall, N. Luke Abraham, and Colin E. Johnson https://doi.org/10.17632/n3g2htz9hk.1

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Short summary
We confirm downward adjustment of SO2 emission to simulate the Pinatubo aerosol cloud with aerosol microphysics models. Similar adjustment is also needed to simulate the El Chichón and Agung volcanic cloud, indicating potential missing removal or vertical redistribution process in models. Important inhomogeneities in the CMIP6 forcing datasets after Agung and El Chichón eruptions are difficult to reconcile. Quasi-biennial oscillation plays an important role in modifying stratospheric warming.
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