Articles | Volume 13, issue 1
https://doi.org/10.5194/bg-13-323-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-323-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
15 Jan 2016
Research article |
| 15 Jan 2016
Isotopic evidence for biogenic molecular hydrogen production in the Atlantic Ocean
Institute for Marine and Atmospheric Research (IMAU), Utrecht
University, the Netherlands
now at: Energy research Center of the Netherlands (ECN), Petten, the
Netherlands
A. Kock
Marine Biogeochemistry, GEOMAR/Helmholtz-Centre for Ocean Research,
Kiel, Germany
T. Steinhoff
Marine Biogeochemistry, GEOMAR/Helmholtz-Centre for Ocean Research,
Kiel, Germany
B. Fiedler
Marine Biogeochemistry, GEOMAR/Helmholtz-Centre for Ocean Research,
Kiel, Germany
P. Fietzek
Marine Biogeochemistry, GEOMAR/Helmholtz-Centre for Ocean Research,
Kiel, Germany
Kongsberg Maritime Contros GmbH, Kiel, Germany
J. Kaiser
Centre for Ocean and Atmospheric Sciences, School of Environmental
Sciences, University of East Anglia, Norwich, NR4 7TJ, UK
Institute for Marine and Atmospheric Research (IMAU), Utrecht
University, the Netherlands
M. E. Popa
Institute for Marine and Atmospheric Research (IMAU), Utrecht
University, the Netherlands
Department of Atmospheric Sciences, University of Washington, Seattle,
Washington, USA
T. Tanhua
Marine Biogeochemistry, GEOMAR/Helmholtz-Centre for Ocean Research,
Kiel, Germany
T. Röckmann
Institute for Marine and Atmospheric Research (IMAU), Utrecht
University, the Netherlands
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Latest update: 28 Nov 2025
Short summary
Oceans are a source of H2, an indirect greenhouse gas. Measurements constraining the temporal and spatial patterns of oceanic H2 emissions are sparse and although H2 is assumed to be produced mainly biologically, direct evidence for biogenic marine production was lacking. By analyzing the H2 isotopic composition (δD) we were able to constrain the global H2 budget in more detail, verify biogenic production and point to additional sources. We also showed that current models are reasonably working.
Oceans are a source of H2, an indirect greenhouse gas. Measurements constraining the temporal...
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