B21A:
How Do the Carbon Pumps Pump? Mechanisms of the Solubility and Biological Pumps I


Session ID#: 11456

Session Description:
Cumulatively since pre-industrial times the ocean has absorbed 40% of anthropogenic carbon emissions, and thus has significantly modulated climate change. The ocean’s carbon uptake is mediated by subduction of carbon rich water (solubility pump) and by the export to depth of organic particles and dissolved organic carbon (biological carbon pump). There is much yet unknown about the underlying biological, chemical and physical mechanisms of these pumps, and thus, substantial uncertainty about the how ocean carbon cycling will evolve over the coming century. Developments in sensor technology, particle export techniques, global data compilations, time series observations, and modeling all are enabling new understanding of the carbon pumps and their potential for variability and change. Observational, experimental, empirical and modeling studies addressing the ocean carbon pumps are welcomed to this session.
Primary Chair:  Frederic A.C. Le Moigne, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Chairs:  Galen A McKinley, University of Wisconsin - Madison, Madison, WI, United States, Stephanie Henson, National Oceanography Centre, Southampton, United Kingdom and Nicole S Lovenduski, University of Colorado, Boulder, CO, United States
Moderators:  Frederic A.C. Le Moigne, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany and Stephanie Henson, National Oceanography Center, Southampton, United Kingdom
Student Paper Review Liaison:  Nicole S Lovenduski, University of Colorado, Boulder, CO, United States
Index Terms:

4805 Biogeochemical cycles, processes, and modeling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4806 Carbon cycling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4845 Nutrients and nutrient cycling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
Co-Sponsor(s):
  • CT - Chemical Tracers, DOM and Trace Metals
  • ME - Marine Ecosystems
  • PC - Past, Present and Future Climate
  • PP - Phytoplankton and Primary Production

Abstracts Submitted to this Session:

B21A-01
A New Mechanistic Model of Aggregation and Particle Export Flux Using Multiple Particle Types (91529)
Adrian Burd, University of Georgia, Athens, GA, United States
B21A-02
The role of particle associated microbial respiration in mesopelagic particle flux attenuation in the NE Atlantic (87628)
Anna Belcher1,2, Stephanie Henson1, Richard Sanders2 and Richard Stephen Lampitt1, (1)National Oceanography Centre, OBE, Southampton, United Kingdom, (2)National Oceanography Centre, Southampton, United Kingdom
B21A-03
Large-scale Patterns and Drivers of the Biological Carbon Pump: Insights from in situ Camera Observations across the Pacific Ocean (89201)
Andrew M. P. McDonnell, University of Alaska Fairbanks, Fairbanks, AK, United States and Jessica S Turner, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Fairbanks, AK, United States
B21A-04
Enhanced gravitational and advective particulate carbon export at a frontal region in the southern California Current Ecosystem (89035)
Michael R Stukel1, Michael R Landry2, Goericke Ralf3, Hajoon Song4, Arthur J Miller5, Mark D Ohman5 and Katherine Barbeau5, (1)Florida State University, Earth, Ocean, and Atmospheric Sciences, Tallahassee, FL, United States, (2)Scripps Institution of Oceanography, La Jolla, CA, United States, (3)Scripps Institution of Oceanography, IOD, CA, United States, (4)Massachusetts Institute of Technology, Cambridge, MA, United States, (5)University of California San Diego, La Jolla, CA, United States
B21A-05
Modulation of zooplankton-mediated fluxes in oxygen minimum zones (92270)
Rainer Kiko1, Helena Hauss1, Frank Melzner2, Johannes Karstensen3 and Friedrich Buchholz4, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Marine Ecology, Kiel, Germany, (3)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (4)Alfred Wegener Institute, Germany
B21A-06
Biodegradation of Emiliania huxleyi Aggregates by natural Prokaryotic Communities under Increasing Hydrostatic Pressure. (89040)
Virginie Riou1,2, Julien Para1, Marc Garel1, Catherine Guigue1, Badr Al Ali3, Chiara Santinelli4, Dominique Lefèvre1, Jean-Pierre Gattuso5, Madeleine Goutx1, Christos Panagiotopoulos1, Luc Beaufort6, Stephanie Jacquet7, Frederic A.C. Le Moigne8, Kazuyo Tachikawa2 and Christian Tamburini1, (1)Aix Marseille Université, CNRS/INSU, Université de Toulon, IRD, Mediterranean Institute of Oceanography (MIO) UM 110, 13288, Marseille, France, France, (2)CEREGE, UM34, Aix Marseille Université, CNRS, IRD, Aix-en-Provence Cedex, France, (3)Ministry of Higher Education, Tishreen University, High Institute of Marine Research, LATTAKIA, Syria, (4)CNR Institute of Biophysics, Pisa, Italy, (5)University Pierre and Marie Curie Paris VI, Paris, France, (6)CEREGE-CNRS-Aix Marseille Univ., Aix-en-Provence, France, (7)Aix-Marseille Univ., Université de Toulon, CNRS, IRD, Mediterranean Institute of Oceanography (MIO) UMR 7294, Marseille, France, (8)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
B21A-07
Plankton networks driving carbon export in the oligotrophic ocean (91364)
Lionel Guidi1, Samuel Chaffron2, Lucie Bittner3, Damien Eveillard4, Jeoren Raes2, Eric Karsenti5, Chris Bowler6 and G Gorsky1, (1)CNRS, Laboratoire d'Océanographie de Villefranche-sur-Mer, Villefranche-sur-Mer, France, (2)Rega Institute, Department of Microbiology and Immunology, Leuven, Belgium, (3)Sorbonne Universités, Institut de Biologie Paris-Seine, Paris, France, (4)University of Nantes, Nantes, France, (5)European Molecular Biology Laboratory, Heidelberg, Germany, (6)Institut de Biologie de l’Ecole Normale Supérieure (IBENS), Ecology and Evolutionary Biology, Paris, France
B21A-08
Phytoplankton Size Impact on Export Flux in the Global Ocean (90232)
Colleen B Mouw1, Audrey Ciochetto1, Galen A McKinley2, Lucas Gloege2 and Darren Pilcher3, (1)University of Rhode Island, Narragansett, RI, United States, (2)Lamont -Doherty Earth Observatory of Columbia University, Palisades, NY, United States, (3)University of Wisconsin Madison, Madison, WI, United States
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