Testing Methods for Reconstructing Glacial Antarctic Circumpolar Current Transport in an Isotope‐Enabled Climate Model

Li, Lingwei; Liu, Zhengyu; Lynch‐Stieglitz, Jean; He, Chengfei; Gu, Sifan; Zhang, Jiaxu; Otto‐Bliesner, Bette

doi:10.1029/2020pa004183

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Testing Methods for Reconstructing Glacial Antarctic Circumpolar Current Transport in an Isotope‐Enabled Climate Model

2021
By Li, Lingwei ; Liu, Zhengyu ; Lynch‐Stieglitz, Jean ; ...
Source: Paleoceanography and Paleoclimatology, 36(10)

[PDF-4.85 MB]

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Journal Title:

Paleoceanography and Paleoclimatology
Personal Author:

Li, Lingwei ; Liu, Zhengyu ; Lynch‐Stieglitz, Jean ; He, Chengfei ; Gu, Sifan ; ... More +

Li, Lingwei ; Liu, Zhengyu ; Lynch‐Stieglitz, Jean ; He, Chengfei ; Gu, Sifan ; Zhang, Jiaxu ; Otto‐Bliesner, Bette Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies) ; PMEL (Pacific Marine Environmental Laboratory)

OAR (Oceanic and Atmospheric Research) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies) ; PMEL (Pacific Marine Environmental Laboratory) Less -
Description:

The Antarctic Circumpolar Current (ACC) plays a vital role in the interbasin exchange of ocean properties. A robust method to reconstruct the ACC baroclinic transport is helpful to assess the ACC's sensitivity to a changed climate. Here we test the reconstruction methods at the Last Glacial Maximum (LGM; ∼20 ka) using end-member water masses in a fully coupled, isotope-enabled Community Earth System Model. Model results suggest that the density profile at the northern side of ocean margins across the ACC can be reconstructed well from end-member water masses of Subtropical Surface Water (STSW), Antarctic Intermediate Water (AAIW), and Lower Circumpolar Deep Water. One
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Atmospheric Science Oceanography Paleontology
Source:

Paleoceanography and Paleoclimatology, 36(10)
DOI:

https://doi.org/10.1029/2020pa004183
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2572-4517;2572-4525;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:1f4ed4e6215ca69b272bafbeef5c85694cabb22fe9ef41bb4a75b9501825321a
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https://repository.library.noaa.gov/view/noaa/53845/noaa_53845_DS1.pdf
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