Mapping of the air-sea CO2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability

Yasunaka, Sayaka; Murata, Akihiko; Watanabe, Eiji; Chierici, Melissa; Fransson, Agneta; van Heuven, Steven; Hoppema, Mario; Ishii, Masao; Johannessen, Truls; Kosugi, Naohiro; Lauvset, Siv K.; Mathis, Jeremy T.; Nishino, Shigeto; Omar, Abdirahman M.; Olsen, Are; Sasano, Daisuke; Takahashi, Taro; Wanninkhof, Rik

doi:10.1016/j.polar.2016.03.006

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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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Mapping of the air-sea CO2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability

2016
By Yasunaka, Sayaka ; Murata, Akihiko ; Watanabe, Eiji ; ...
Source: Polar Science, 10(3), 323-334.

[PDF-3.96 MB]

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Journal Title:

Polar Science
Personal Author:

Yasunaka, Sayaka ; Murata, Akihiko ; Watanabe, Eiji ; Chierici, Melissa ; Fransson, Agneta ; ... More +

Yasunaka, Sayaka ; Murata, Akihiko ; Watanabe, Eiji ; Chierici, Melissa ; Fransson, Agneta ; van Heuven, Steven ; Hoppema, Mario ; Ishii, Masao ; Johannessen, Truls ; Kosugi, Naohiro ; Lauvset, Siv K. ; Mathis, Jeremy T. ; Nishino, Shigeto ; Omar, Abdirahman M. ; Olsen, Are ; Sasano, Daisuke ; Takahashi, Taro ; Wanninkhof, Rik Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CPO (Climate Program Office) ; AOML (Atlantic Oceanographic and Meteorological Laboratory)

OAR (Oceanic and Atmospheric Research) ; CPO (Climate Program Office) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) Less -
Description:

We produced 204 monthly maps of the air-sea CO2 flux in the Arctic north of 60 degrees N, including the Arctic Ocean and its adjacent seas, from January 1997 to December 2013 by using a self-organizing map technique. The partial pressure of CO2 (pCO(2)) in surface water data were obtained by shipboard underway measurements or calculated from alkalinity and total inorganic carbon of surface water samples. Subsequently, we investigated the basin-wide distribution and seasonal to interannual variability of the CO2 fluxes. The 17-year annual mean CO2 flux shows that all areas of the Arctic Ocean and its adjacent seas were net CO2 sinks. The estimated annual CO2 uptake by the Arctic Ocean was 180 TgC yr(-1). The CO2 influx was strongest in winter in the Greenland/Norwegian Seas (>15 mmol m(-2) day(-1)) and the Barents Sea (>12 mmol m(-2) day(-1)) because of strong winds, and strongest in summer in the Chukchi Sea (similar to 10 mmol m(-2) day(-1)) because of the sea-ice retreat In recent years, the CO2 uptake has increased in the Greenland/Norwegian Sea and decreased in the southern Barents Sea, owing to increased and decreased air-sea pCO(2) differences, respectively. (C) 2016 The Authors. Published by Elsevier B.V.
Source:

Polar Science, 10(3), 323-334.
DOI:

https://doi.org/10.1016/j.polar.2016.03.006
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PDF
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Journal Article
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CC BY-NC-ND
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Submitted
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urn:sha-512:5acc208d6383f18ee8a4182689ecdce66d8a81435c76ed01d5abbbb3e57ec17c7acb73d89fb0cc5aced23fafbbfd016d551f2d62fb978cb9f07dfc11a77e91b8
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Mapping of the air-sea CO2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability

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