The Key Role of Warm Rain Parameterization in Determining the Aerosol Indirect Effect in a Global Climate Model

Jing, Xianwen; Suzuki, Kentaroh; Michibata, Takuro

doi:10.1175/JCLI-D-18-0789.1

i

The Key Role of Warm Rain Parameterization in Determining the Aerosol Indirect Effect in a Global Climate Model

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2019
By Jing, Xianwen ; Suzuki, Kentaroh ; Michibata, Takuro

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Journal Title:

Journal of Climate
Personal Author:

Jing, Xianwen ; Suzuki, Kentaroh ; Michibata, Takuro
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CPO (Climate Program Office)
Description:

Global climate models (GCMs) have been found to share the common too-frequent bias in the warm rain formation process. In this study, five different autoconversion schemes are incorporated into a single GCM, to systematically evaluate the warm rain formation processes in comparison with satellite observations and investigate their effects on the aerosol indirect effect (AIE). It is found that some schemes generate warm rain less efficiently under polluted conditions in the manner closer to satellite observations, while the others generate warm rain too frequently.
Keywords:

Aerosol-cloud Interaction Aerosol Indirect Effect Atmosphere Climate Models Cloud Microphysics Modeling, Analysis, Predictions, And Projections (MAPP) Program Precipitation
Source:

Journal of Climate, 32(14), 4409–4430
DOI:

https://doi.org/10.1175/JCLI-D-18-0789.1
Document Type:

Journal Article
Funding:

Grant no. NA15OAR4310153
Rights Information:

CC BY
Compliance:

Submitted
Main Document Checksum:

urn:sha256:534637925d5fd6cc7bd2341d785647bf6fc79a99b9ea94df3aef45093c9877ea
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https://repository.library.noaa.gov/view/noaa/36813/noaa_36813_DS1.pdf
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[PDF - 10.20 MB ]

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