Uncertainty in Estimation of Anthropogenic Aerosol Indirect Effect

DOI

10.2991/meep-15.2016.45How to use a DOI?

Keywords

aerosol indirect effect; uncertainty; climate change

Abstract

In this paper, uncertainties in estimating anthropogenic aerosol indirect effects on warm clouds are explored using the recently developed Grid point Atmospheric Model (GAMIL) with prescribed aerosol fields. The anthropogenic aerosol indirect effect is calculated by the change in shortwave cloud forcing from preindustrial times to present-day. Simulations show anthropogenic aerosol indirect effect is not sensitive to two different physically-based droplet nucleation parameterizations. However, anthropogenic aerosol indirect effect is quite sensitive to the assumption on the subgrid vertical velocities, which are used to drive physicallybased droplet nucleation parameterization. Furthermore, sensitivity simulations indicate that aerosol influence on convective clouds, which is not considered in GAMIL model, might be an important contributor to anthropogenic aerosol indirect effect.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - X.J. Shi
AU  - X.F. Zhi
PY  - 2016/03
DA  - 2016/03
TI  - Uncertainty in Estimation of Anthropogenic Aerosol Indirect Effect
BT  - Proceedings of the 2015 International Conference on Materials Chemistry and Environmental Protection (meep-15)
PB  - Atlantis Press
SP  - 171
EP  - 173
SN  - 2352-541X
UR  - https://doi.org/10.2991/meep-15.2016.45
DO  - 10.2991/meep-15.2016.45
ID  - Shi2016/03
ER  -