Atmosphere‐Snow Exchange Explains Surface Snow Isotope Variability

Wahl, S.; Steen‐Larsen, H. C.; Hughes, A. G.; Dietrich, L. J.; Zuhr, A.; Behrens, M.; Faber, A.‐K.; Hörhold, M.

doi:10.1029/2022gl099529

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Atmosphere‐Snow Exchange Explains Surface Snow Isotope Variability

2022
By Wahl, S. ; Steen‐Larsen, H. C. ; Hughes, A. G. ; ...
Source: Geophysical Research Letters, 49(20)

[PDF-1.42 MB]

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Journal Title:

Geophysical Research Letters
Personal Author:

Wahl, S. ; Steen‐Larsen, H. C. ; Hughes, A. G. ; Dietrich, L. J. ; Zuhr, A. ; ... More +

Wahl, S. ; Steen‐Larsen, H. C. ; Hughes, A. G. ; Dietrich, L. J. ; Zuhr, A. ; Behrens, M. ; Faber, A.‐K. ; Hörhold, M. Less -
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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:

The climate signal imprinted in the snow isotopic composition allows to infer past climate variability from ice core stable water isotope records. The concurrent evolution of vapor and surface snow isotopic composition between precipitation events indicates that post-depositional atmosphere-snow humidity exchange influences the snow and hence the ice core isotope signal. To date, however, this is not accounted for in paeleoclimate reconstructions from isotope records. Here we show that vapor-snow exchange explains 36% of the summertime day-to-day δ 18O variability of the surface snow between precipitation events, and 53% of the δD variability. Through observations from the Greenland Ice Sheet and accompanying modeling we
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General Earth And Planetary Sciences Geophysics
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Geophysical Research Letters, 49(20)
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https://doi.org/10.1029/2022gl099529
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0094-8276;1944-8007;
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PDF
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American Geophysical Union (AGU)
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urn:sha256:9cae46850dccef90e9fd8e7856ed6e0e764c988675b7591b3f3686ea1c2f864e
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