Articles | Volume 15, issue 6
https://doi.org/10.5194/bg-15-1643-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-1643-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Arctic Ocean CO2 uptake: an improved multiyear estimate of the air–sea CO2 flux incorporating chlorophyll a concentrations
Research and Development Center for Global Change, Japan Agency for
Marine-Earth Science and Technology, Yokosuka, Japan
Institute of Arctic Climate and Environment Research, Japan Agency for
Marine-Earth Science and Technology, Yokosuka, Japan
Eko Siswanto
Research and Development Center for Global Change, Japan Agency for
Marine-Earth Science and Technology, Yokosuka, Japan
Are Olsen
Geophysical Institute, University of Bergen and Bjerknes Centre for
Climate Research, Bergen, Norway
Mario Hoppema
Alfred Wegener Institute Helmholtz Centre for Polar and Marine
Research, Climate Sciences Department, Bremerhaven, Germany
Eiji Watanabe
Institute of Arctic Climate and Environment Research, Japan Agency for
Marine-Earth Science and Technology, Yokosuka, Japan
Agneta Fransson
Norwegian Polar Institute, Fram Centre, Norway
Melissa Chierici
Institute of Marine Research, Tromsø, Norway
Akihiko Murata
Research and Development Center for Global Change, Japan Agency for
Marine-Earth Science and Technology, Yokosuka, Japan
Institute of Arctic Climate and Environment Research, Japan Agency for
Marine-Earth Science and Technology, Yokosuka, Japan
Siv K. Lauvset
Geophysical Institute, University of Bergen and Bjerknes Centre for
Climate Research, Bergen, Norway
Uni Research Climate, Bjerknes Centre for Climate Research, Bergen, Norway
Rik Wanninkhof
National Oceanic and Atmospheric Administration, Atlantic
Oceanographic and Meteorological Laboratory, Miami, FL, USA
Taro Takahashi
Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, USA
Naohiro Kosugi
Oceanography and Geochemistry Research Department, Meteorological
Research Institute, Japan Meteorological Agency, Tsukuba, Japan
Abdirahman M. Omar
Uni Research Climate, Bjerknes Centre for Climate Research, Bergen, Norway
Steven van Heuven
Energy and Sustainability Research Institute Groningen, Groningen
University, the Netherlands
Jeremy T. Mathis
National Oceanic and Atmospheric Administration, Arctic Research
Program, Seattle, WA, USA
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Discussed (final revised paper)
Latest update: 13 Nov 2024
Short summary
We estimated monthly air–sea CO2 fluxes in the Arctic Ocean and its adjacent seas north of 60° N from 1997 to 2014, after mapping pCO2 in the surface water using a self-organizing map technique. The addition of Chl a as a parameter enabled us to improve the estimate of pCO2 via better representation of its decline in spring. The uncertainty in the CO2 flux estimate was reduced, and a net annual Arctic Ocean CO2 uptake of 180 ± 130 Tg C y−1 was determined to be significant.
We estimated monthly air–sea CO2 fluxes in the Arctic Ocean and its adjacent seas north of...
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