Important Ice Processes Are Missed by the Community Earth System Model in Southern Ocean Mixed‐Phase Clouds: Bridging SOCRATES Observations to Model Developments

Zhao, Xi; Liu, Xiaohong; Burrows, Susannah; DeMott, Paul J.; Diao, Minghui; McFarquhar, Greg M.; Patade, Sachin; Phillips, Vaughan; Roberts, Greg C.; Sanchez, Kevin J.; Shi, Yang; Zhang, Meng

doi:10.1029/2022jd037513

i

Important Ice Processes Are Missed by the Community Earth System Model in Southern Ocean Mixed‐Phase Clouds: Bridging SOCRATES Observations to Model Developments

Supporting Files

2023
By Zhao, Xi ; Liu, Xiaohong ; Burrows, Susannah ; ...

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Zhao, Xi ; Liu, Xiaohong ; Burrows, Susannah ; DeMott, Paul J. ; Diao, Minghui ; McFarquhar, Greg M. ; Patade, Sachin ; Phillips, Vaughan ; Roberts, Greg C. ; Sanchez, Kevin J. ; Shi, Yang ; Zhang, Meng
NOAA Program & Office:

CIWRO (Cooperative Institute for Severe and High-Impact Weather Research and Operations)
Description:

Global climate models (GCMs) are challenged by difficulties in simulating cloud phase and cloud radiative effect over the Southern Ocean (SO). Some of the new-generation GCMs predict too much liquid and too little ice in mixed-phase clouds. This misrepresentation of cloud phase in GCMs results in weaker negative cloud feedback over the SO and a higher climate sensitivity. Based on a model comparison with observational data obtained during the Southern Ocean Cloud Radiation and Aerosol Transport Experimental Study, this study addresses a key uncertainty in the Community Earth System Model version 2 (CESM2) related to cloud phase, namely ice formation in pristine remote SO clouds. It is found that sea spray organic aerosols
Keywords:

Atmospheric Science Earth And Planetary Sciences (miscellaneous) Geophysics Space And Planetary Science Earth And Planetary Sciences (miscellaneous) Space And Planetary Science Earth And Planetary Sciences (miscellaneous) Space And Planetary Science
Source:

Journal of Geophysical Research: Atmospheres, 128(4)
DOI:

https://doi.org/10.1029/2022jd037513
ISSN:

2169-897X ; 2169-8996
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
Rights Information:

Other
Compliance:

Library
Main Document Checksum:

urn:sha256:37fc016db8f6689d7be5d5c1a4b212345d0db33e5d85f1ec19c18dd2e0d56696
Download URL:

https://repository.library.noaa.gov/view/noaa/55209/noaa_55209_DS1.pdf
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[PDF - 2.52 MB ]

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