Less Surface Sea Ice Melt in the CESM2 Improves Arctic Sea Ice Simulation With Minimal Non‐Polar Climate Impacts

Kay, Jennifer E.; DeRepentigny, Patricia; Holland, Marika M.; Bailey, David A.; DuVivier, Alice K.; Blanchard‐Wrigglesworth, Ed; Deser, Clara; Jahn, Alexandra; Singh, Hansi; Smith, Madison M.; Webster, Melinda A.; Edwards, Jim; Lee, Sun‐Seon; Rodgers, Keith B.; Rosenbloom, Nan

doi:10.1029/2021MS002679

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Less Surface Sea Ice Melt in the CESM2 Improves Arctic Sea Ice Simulation With Minimal Non‐Polar Climate Impacts

2022
By Kay, Jennifer E. ; DeRepentigny, Patricia ; Holland, Marika M. ; ...
Source: Journal of Advances in Modeling Earth Systems, 14(4)

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Journal Title:

Journal of Advances in Modeling Earth Systems
Personal Author:

Kay, Jennifer E. ; DeRepentigny, Patricia ; Holland, Marika M. ; Bailey, David A. ; DuVivier, Alice K. ; ... More +

Kay, Jennifer E. ; DeRepentigny, Patricia ; Holland, Marika M. ; Bailey, David A. ; DuVivier, Alice K. ; Blanchard‐Wrigglesworth, Ed ; Deser, Clara ; Jahn, Alexandra ; Singh, Hansi ; Smith, Madison M. ; Webster, Melinda A. ; Edwards, Jim ; Lee, Sun‐Seon ; Rodgers, Keith B. ; Rosenbloom, Nan Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) Less -
Description:

This study isolates the influence of sea ice mean state on pre-industrial climate and transient 1850–2100 climate change within a fully coupled global model: The Community Earth System Model version 2 (CESM2). The CESM2 sea ice model physics is modified to increase surface albedo, reduce surface sea ice melt, and increase Arctic sea ice thickness and late summer cover. Importantly, increased Arctic sea ice in the modified model reduces a present-day late-summer ice cover bias. Of interest to coupled model development, this bias reduction is realized without degrading the global simulation including top-of-atmosphere energy imbalance, surface temperature, surface precipitation, and major modes of climate variability. The influence
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Environmental Chemistry General Earth And Planetary Sciences Global And Planetary Change
Source:

Journal of Advances in Modeling Earth Systems, 14(4)
DOI:

https://doi.org/10.1029/2021MS002679
ISSN:

1942-2466;1942-2466;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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https://creativecommons.org/licenses/by-nc/4.0/
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CC BY-NC
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urn:sha256:a8d76a89e8e4ff77cb77b1feb925f1241df3c7955e332e5332029df9fc33cb4b
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https://repository.library.noaa.gov/view/noaa/53628/noaa_53628_DS1.pdf
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