Articles | Volume 11, issue 23
https://doi.org/10.5194/bg-11-6955-2014
© Author(s) 2014. 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-11-6955-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
11 Dec 2014
Research article |
| 11 Dec 2014
Projected pH reductions by 2100 might put deep North Atlantic biodiversity at risk
LSCE/IPSL, Laboratoire des Sciences du Climat et de l'Environnement, Orme des Merisiers, CEA/Saclay 91198 Gif-sur-Yvette Cedex, France
R. Séférian
CNRM-GAME, Centre National de Recherche Météorologique-Groupe d'Etude de l'Atmosphère Météorologique, Météo-France/CNRS, 42 Avenue Gaspard Coriolis, 31100 Toulouse, France
D. O. B. Jones
National Oceanography Centre, University of Southampton Waterfront Campus, European Way, Southampton, SO14 3ZH, UK
T. Roy
LOCEAN/IPSL, 4, place Jussieu 75252 PARIS Cedex 05, France
R. Roth
Climate and Environmental Physics, Physics Institute and Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland
J. Barry
Monterey Bay Aquarium Research Institute, Moss Landing, CA 95039, USA
LSCE/IPSL, Laboratoire des Sciences du Climat et de l'Environnement, Orme des Merisiers, CEA/Saclay 91198 Gif-sur-Yvette Cedex, France
S. C. Doney
Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA
J. P. Dunne
National Oceanic and Atmospheric Administration/Geophysical Fluid Dynamics Laboratory, Princeton, NJ 08540, USA
C. Heinze
Geophysical Institute, University of Bergen and Bjerknes Centre for Climate Research, 5007 Bergen, Norway
Uni Research Climate, Bergen, Norway
Bjerknes Centre for Climate Research, Bergen, Norway
Climate and Environmental Physics, Physics Institute and Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland
J. C. Orr
LSCE/IPSL, Laboratoire des Sciences du Climat et de l'Environnement, Orme des Merisiers, CEA/Saclay 91198 Gif-sur-Yvette Cedex, France
L. Resplandy
LSCE/IPSL, Laboratoire des Sciences du Climat et de l'Environnement, Orme des Merisiers, CEA/Saclay 91198 Gif-sur-Yvette Cedex, France
J. Segschneider
Max Planck Institute for Meteorology, Bundesstr. 53, 20146 Hamburg, Germany
J. Tjiputra
Uni Research Climate, Bergen, Norway
Bjerknes Centre for Climate Research, Bergen, Norway
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Total article views: 5,793 (including HTML, PDF, and XML)
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Total article views: 1,409 (including HTML, PDF, and XML)
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Latest update: 06 Dec 2025
Short summary
This study evaluates potential impacts of pH reductions on North Atlantic deep-sea ecosystems in response to latest IPCC scenarios.Multi-model projections of pH changes over the seafloor are analysed with reference to a critical threshold based on palaeo-oceanographic studies, contemporary observations and model results. By 2100 under the most severe IPCC CO2 scenario, pH reductions occur over ~23% of deep-sea canyons and ~8% of seamounts – including seamounts proposed as marine protected areas.
This study evaluates potential impacts of pH reductions on North Atlantic deep-sea ecosystems in...
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