OB001
Advances in observing and modelling the biological carbon pump

Session ID#: 259505

Session Description:
The pools and fluxes of particulate organic carbon play a central role in the ocean’s carbon cycle, yet their magnitude and variability remain poorly constrained. Measuring carbon transfer from the surface to the deep ocean remains difficult, especially across longer time scales, due to the sparsity of observations. Advances in technology and analytical techniques are enabling the generation and analysis of larger and more information-rich datasets than ever before. Autonomous observations are transforming the quantity and coverage of data; computer vision tools are permitting deeper insights into plankton and particles; artificial intelligence approaches are driving innovative analyses of datasets and providing new insights; and novel modelling methods are drawing together disparate datasets to aid in predicting climate responses. This session focuses on the critical insights that autonomous observation technologies, models and machine learning provide into understanding the biological carbon pump, from surface productivity to the transport of particles into the ocean’s interior. Submissions from early career researchers are strongly encouraged.
Co-Sponsor(s):
  • Digital Ocean -
  • Marine Ecology and Biodiversity -
  • Ocean Technologies and Observatories -
Index Terms:

1615 Biogeochemical cycles, processes, and modeling [GLOBAL CHANGE]
4806 Carbon cycling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4855 Phytoplankton [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4894 Instruments, sensors, and techniques [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
Student/Early Career Chair:  Guillaume Liniger, University of Tasmania, Institute for Marine and Antarctic Studies (IMAS), Hobart, TAS, Australia
Primary Chair:  Clara R. Vives, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
Co-chairs:  Margaret Estapa, University of Maine, School of Marine Sciences, Darling Marine Center, Walpole, United States, Guillaume Liniger, Monterey Bay Aquarium Research Institute, Moss Landing, United States, Sandy Jane Thomalla, Council for Scientific and Industrial Research (CSIR), Southern Ocean Carbon and Climate Observatory (SOCCO), Cape Town, South Africa and Stephanie Henson, National Oceanography Centre, Southampton, United Kingdom
 
Linking phytoplankton, particle size and POC flux: a global data synthesis (1861658)
Sophie Clayton, Nathan Briggs and Stephanie Henson, National Oceanography Centre, Southampton, United Kingdom
 
Estimating In Situ Sinking Speeds of Marine Particles Using a New Image Based Method on an Autonomous Platform (1907577)
Alexandre Accardo1, Manon Laget2, Emilia Trudnowska3, Camille Catalano1, Simon Ramondenc1, Jessica Drysdale4, Marc Picheral5, Dr. Tristan Biard6, Kaitlyn Tradd4, Ken Buesseler7, Laurent Memery8 and Lionel Guidi1, (1)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche-sur-Mer, France, (2)Dalhousie University, Oceanography Department, Halifax, Canada, (3)Institute of Oceanology Polish Academy of Sciences, Department of Marine Ecology, Sopot, Poland, (4)Woods Hole Oceanographic Institution (WHOI), Woods Hole, United States, (5)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche, France, (6)Sorbonne Universites, UPMC Universite Paris 06, CNRS, Laboratoire Adaptation et Diversiteen Milieu Marin UMR7144, Station Biologi, Roscoff, France, (7)Woods Hole Oceanographic Institution, Department of Marine Chemistry & Geochemistry, Woods Hole, MA, United States, (8)CNRS, LEMAR (UBO, CNRS, Ifremer, IRD), Brest, France
 
Marine snow under attack: how tiny mesopelagic organisms control biological carbon pump efficiency (1909946)
Maéva Gesson1, Frédéric Le Moigne2, Alexandre Accardo3, Lionel Guidi3, Anne lebourges-Dhaussy4, Gildas Roudaut5 and Brivaëla Moriceau6, (1)LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, PhD student, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (2)LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, CNRS, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (3)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche-sur-Mer, France, (4)LEMAR, Plouzané, France, (5)LEMAR (CNRS-IRD-IFREMER-UBO), IRD, Brest, France, (6)CNRS, LEMAR, IUEM Institut Universitaire Européen de la Mer, Plouzané, France
 
The Biological Carbon Pump Beyond Size: Morphotype-Resolved Sinking Particle Fluxes with Underwater Vision Profilers (1911286)
Elena Ceballos-Romero, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, Emilia Trudnowska, Institute of Oceanology Polish Academy of Sciences, Department of Marine Ecology, Sopot, Poland, Clarissa Karthäuser, Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States and Ken Buesseler, Woods Hole Oceanographic Institution, Department of Marine Chemistry & Geochemistry, Woods Hole, MA, United States
 
Distributed UVP6 in Situ Imaging on BGC-Argo Floats Reveals Plankton Dynamics, Marine Snow Production and Deep Export (1954806)
Lars Stemmann1, Marin Arlaud2, Alexandre Accardo3, Dodji Yawouvi Soviadan4, Alberto Baudena5, Ariadna Nocera6, Joelle Habib1, Leo Lacour7, Philip W Boyd8 and Rainer Kiko9, (1)Laboratoire d'Océanographie de Villefranche, Villefranche-sur-Mer, France, (2)Sorbonne University, Paris, France, (3)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche-sur-Mer, France, (4)IRD Institute for Research and Development, Montpellier, France, (5)Consiglio Nazionale Delle Ricerche- Istituto di Scienze Marine (CNR-ISMAR), Lerici, Italy, (6)CESIMAR-CCT CONICET, Puerto Madryn, Argentina, (7)Sorbonne Université, CNRS, Laboratoire d’Océanographie de Villefranche (LOV), Villefranche-sur-mer, France, (8)Institute for Marine and Antarctic Sciences, University of Tasmania, Hobart, TAS, Australia, (9)GEOMAR Helmholtz Centre for Ocean Research Kiel, RD2 - Plankton Biogeochemistry and Dynamics, Kiel, Germany
 
Uncovering the spatial redistribution of the biological carbon pump (1991935)
Louise Delaigue, Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche (LOV), Villefranche-sur-Mer, France, Raphaelle Sauzede, Sorbonne Université, CNRS, Institut de la Mer de Villefranche (IMEV), Villefranche-Sur-Mer, France, Villefranche-sur-mer, France, Olivier Sulpis, Aix Marseille Université, CNRS, IRD, INRAE, CEREGE, Aix en Provence, France, Philip W Boyd, Institute for Marine and Antarctic Sciences, University of Tasmania, Hobart, TAS, Australia, Herve Claustre, Sorbonne Université, CNRS, Laboratoire d’Océanographie de Villefranche (LOV), Villefranche-sur-mer, France, Gert-Jan Reichart, NIOZ, Royal Netherlands Institute for Sea Research, Department of Ocean Systems, and Utrecht University, Fac Geosci, Dept Earth Sci, Texel, Netherlands and Dr. Matthew Paul Humphreys, PhD, NIOZ Royal Netherlands Institute for Sea Research, Department of Ocean Systems, Texel, Netherlands
 
Distinct Sources of Uncertainty in Simulations of the Ocean Biological Carbon Pump at Different Depths (2006200)
Dr. Bin Wang, Second Institute Of Oceanography,MNR, Hangzhou, China and Katja Fennel, Dalhousie University, Department of Oceanography, Halifax, NS, Canada
 
Using UVP In-situ Imaging to Estimate the Impact of Environmental Drivers and Intermediate Particle Maxima on Vertical Particle Fluxes (2006444)
Tobias Strickmann, Rainer Kiko, Willi Rath, Judith Fischer and Jan Taucher, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
 
Improving imaging-based particulate organic carbon measurements by taking visually-identifiable characteristics into account (2006566)
Saskia Ruhl, Plymouth Marine Laboratory, Marine Ecology and Society, Plymouth, United Kingdom
 
Regional patterns and quantification of the biological carbon pump at depth from BGC-Argo floats (2007169)
Pierrick Lemasson, CNRS & Sorbonne Université , Laboratoire d'Océanographie de Villefranche (LOV), Villefranche-sur-Mer, France, Villefranche-sur-Mer, France, Leo Lacour, Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche (LOV), Villefranche-sur-Mer, France and Herve Claustre, Sorbonne Université, CNRS, Laboratoire d’Océanographie de Villefranche (LOV), Villefranche-sur-mer, France
 
An Improved Model of Particle Attenuation Reduces Estimates of Southern Ocean Carbon Transfer Efficiency (2009408)
Annika Oetjens1,2, Tyler Rohr2, Zanna Chase3 and Peter G Strutton3, (1)Institute for Marine and Antarctic Studies, Hobart, TAS, Australia, (2)University of Tasmania, Hobart, TAS, Australia, (3)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia
 
Sea Ice Loss leads to Regime Shifts in the Arctic Biological Pump (2009877)
Chengfeng Le1, Ming Wu2, Zhangxian Ouyang3, John Lehrter4, Dr. Wei-Lei Wang5, Ruibo Lei6, Chuanmin Hu7 and Wei-Jun Cai3, (1)Zhejiang University, Zhoushan, CHINA, (2)Zhejiang University, Hangzhou, China, (3)University of Delaware, School of Marine Science and Policy, Newark, DE, United States, (4)University of South Alabama, Mobile, United States, (5)Xiamen University, Xiamen, China, (6)Polar Research Institute of China, Shanghai, China, (7)University of South Florida, College of Marine Science, St. Petersburg, United States
 
Particle Characteristics Determine Sinking versus Suspended: Insights into the Biological Carbon Pump from a Phaeocystis Bloom (2010918)
Carolina Cisternas-Novoa, Memorial University of Newfoundland, St John's, NF, Canada, Elisa Romanelli, Swiss Federal Institute of Technology (ETH Zurich), Institute of Environmental Engineering, Zurich, Switzerland and Uta Passow, Memorial University of Newfoundland, St John's, Canada
 
Coupling Biological and Microbial Carbon Pumps in the North Atlantic Subtropical Gyre (2010923)
Dr. Mengyu Li, Institute of Marine Sciences (ISMAR), National Research Council of Italy (CNR), Rome, Italy, Dr. Marco Bellacicco, PhD, Institute of Marine Science (ISMAR), National Research Council of Italy (CNR), Rome, Italy, Gemma Kulk, Earth Observation Science & Applications, Plymouth Marine Laboratory, Plymouth, United Kingdom, Bror Jönsson, PhD, Ocean Process Analysis Lab, University of New Hampshire, Durham, United States, Mayra Rodriguez, National Centre for Earth Observation, Plymouth Marine Laboratory, Plymouth, United Kingdom, Bruno Buongiorno Nardelli, Institute of Marine Sciences (ISMAR), National Research Council (CNR), Naples, Italy and Emanuele Organelli, Institute of Marine Sciences (ISMAR), National Research Council (CNR), Rome, Italy
 
Bridging scales from cell-level sinking dynamics to large-scale export on an Arctic shelf (2013114)
Stephanie Lim, PhD1, Pranav Vyas2, Qing Zhang2, Grace Zhong2, James Lauer1, Matthew M Mills1, Gert van Dijken1, Rahul Chajwa2, Manu Prakash3 and Kevin R Arrigo1, (1)Stanford University, Earth System Science, Stanford, United States, (2)Stanford University, Bioengineering, Stanford, United States, (3)Stanford University, Bioengineering, Biology, Oceans, Stanford, United States
 
Weakened carbon export and respiration during the extreme 2016 El Niño heatwave (2014299)
Lionel Arteaga, NASA Goddard Space Flight Center / UMBC, Greenbelt, United States, Seth M Bushinsky, University of Hawaii at Manoa, Department of Oceanography, Honolulu, United States, Ivona Cetinic, Morgan State University, GESTAR II, Baltimore, United States and Cecile S Rousseaux, NASA Goddard Space Flight Center, Greenbelt, MD, United States
 
Modelling the Effects of Temperature and Zooplankton Activity on Particle Flux in the Sargasso Sea (2014405)
Jennifer Weiske, University of Maryland Center for Environmental Science Horn Point Laboratory, Cambridge, United States, Joshua Stone, University of South Carolina, Biological Sciences, Columbia, United States and Jacob Adrian Cram, University of Maryland Center for Environmental Science, Cambridge, United States
 
Characterizing the Biological Carbon Pump in the Gulf of Mexico by Integrating eDNA, Sediment Trap, and Optical Backscattering Measures (2014453)
Caroline Terry, Washington State University, School of Biological Sciences, Pullman, United States, Emily Osborne, South Carolina Sea Grant Consortium, Charleston, United States and Luke Thompson, Atlantic Oceanographic and Meteorological Laboratory, Miami, United States
 
Global Detection of Eddy Subduction Pump Using Argo Floats (2015253)
Maxime Keutgen De Greef, Princeton University, Princeton, United States, Laure Resplandy, Princeton University, Princeton, NJ, United States and Mathieu Poupon, Princeton University, Princeton, UNITED STATES
 
Capturing the variability within the Particulate Organic Carbon Flux: A Bayesian approach (2015453)
Ms. Pippa Edwards1,2, Gregory L. Britten3, Lauren Biermann4, Stephanie Henson1, Lionel Guidi5, Mark Moore6, Simon Ramondenc5 and B. B. Cael7, (1)National Oceanography Centre, Southampton, United Kingdom, (2)University of Southampton, School of Ocean and Earth Science, National Oceanography Centre Southampton, Southampton, United Kingdom, (3)Woods Hole Oceanographic Institution, Biology, Woods Hole, United States, (4)EUMETSAT, Darmstadt, Germany, (5)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche-sur-Mer, France, (6)University of Southampton, School of Ocean and Earth Science, Southampton, United Kingdom, (7)University of Chicago, Department of the Geophysical Sciences, Chicago, IL, United States
 
Unifying framework reveals importance of dissolved fluxes in ocean biological carbon pump (2015656)
Jessica Y Luo, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, United States, Mathieu Poupon, Princeton University, Princeton, UNITED STATES and Laure Resplandy, Princeton University, Princeton, NJ, United States
 
Taking In Situ Imaging to the Next Step: Towards Inferring the Sinking Velocity of Marine Snow Aggregates Directly From Single Snapshots. (2016976)
Emmanuel Christian Laurenceau-Cornec1, Chloé M. J. Baumas2, Simon Ramondenc3, Marc LONG4, Lionel Guidi3 and Frédéric Le Moigne5, (1)IUEM Institut Universitaire Européen de la Mer, CNRS, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (2)Stanford University, Earth System Science, Stanford, United States, (3)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche-sur-Mer, France, (4)IUEM Institut Universitaire Européen de la Mer, CNRS, LEMAR, Laboratoire des Sciences de l'Environnement Marin (UMR-6539), Plouzané, France, (5)LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, CNRS, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France
 
Particle flux attenuation in the Northeast Atlantic Ocean during the APERO campaign (2019553)
Frédéric A.C. Le Moigne, LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, Plouzané, France, Maéva Gesson, LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, PhD student, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, Maria Villa-Alfageme, Universidad de Sevilla, Applied Physics II, Sevilla, Spain and Brivaëla Moriceau, CNRS, LEMAR, IUEM Institut Universitaire Européen de la Mer, Plouzané, France
 
Quantifying the carbon flux due to diel vertical migration on the Northwest European shelf (2019646)
Rebecca Millington1, Angus Atkinson1, Jerry Blackford1, Jorn Bruggeman2, Dr. James Clark, PhD1, Gennadi Lessin1, Helen Powley1 and Robert Wilson1, (1)Plymouth Marine Laboratory, Plymouth, United Kingdom, (2)Bolding & Bruggeman, Asperup, Denmark
 
New in-situ Subsea Winched Profiling System (SWIPS) camera for particle characterization in the upper ocean at HAUSGARDEN (HG) in Fram Strait. (2019892)
Julia Pamphile dos Santos1, Christian Konrad2, Simon Ramondenc3, Rebecca McPherson1, Normen Lochthofen1 and Morten H. Iversen4, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, (3)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche-sur-Mer, France, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Polar Biological Oceanography, Bremerhaven, Germany
 
Polar Amplification and Tropical Decline in Net Community Production in the World Oceans (2020173)
Chao Xu1,2, Bangqin Huang1 and Nicolas Cassar3, (1)Xiamen University, State Key Laboratory of Marine Environmental Science, Xiamen, China, (2)Duke University, Division of Earth and Climate Sciences, Nicholas School of the Environment, Durham, United States, (3)Duke University, Division of Earth and Climate Sciences, Nicholas School of the Environment, Durham, NC, United States
 
Assessment of Biological Pump Metrics Using an Idealized Model of Sinking Particle Dynamics (2021838)
David Siegel, University of California Santa Barbara, Earth Research Institute and Department of Geography, Santa Barbara, CA, United States, Adrian Burd, University of Georgia, Athens, GA, United States and Erik Fields, University of California, Santa Barbara, Earth Research Institute, Santa Barbara, United States
 
Decoding Surface Ocean Net Community Production: Photosynthesis as a Primary Predictor (2021988)
Alexandria Niebergall, UNITED STATES and Meredith G. Meyer, Melanie R. Cohn, Garrett Sharpe, Adrian Marchetti, Scott M. Gifford, and Nicolas Cassar
 
Beyond Martin’s b: In-situ observations of BCP efficiency across the Atlantic Ocean (2023354)
Maren Staniek1, Giulia Rüegg1, Helga van der Jagt2 and Morten H. Iversen3,4, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Waardenburg Ecology, Culemborg, Netherlands, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Polar Biological Oceanography, Bremerhaven, Germany, (4)MARUM - Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany
 
Key species driving POC, BSi and CaCO3 export flux in the North Atlantic Porcupine Abyssal Plain and evidence of nano-sized species role in export fluxes (2023445)
Karine Leblanc1, Frédéric Le Moigne2, Maéva Gesson3, Nathalie Leblond4, Urania Christaki5, Thierry Moutin6 and Olivier Grosso6, (1)MIO, Aix Marseille Univ, Université de Toulon, CNRS, IRD, MIO UM 110, Mediterrannean Institute of Oceanography, Marseille, France, (2)LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, CNRS, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (3)LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, PhD student, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (4)IMEV, Institut de la Mer de Villefranche, IMEV, Sorbonne Université, Villefranche-sur-Mer, France, IMEV, Institut de la Mer de Villefranche, Villefranche sur mer, France, (5)LOG, Université du Littoral Laboratoire d'Océanologie et des Geosciences CNRS-UMR LOG 8187, Wimereux, France, CNRS-UMR LOG 8187, Wimereux, France, (6)Aix Marseille Univ. Université de Toulon, CNRS,IRD,MIO UM110, Mediterranean institut of oceanography, Marseille, France
 
Linking marine snow morphology to particulate organic carbon (POC) flux: an integrated approach combining in situ imaging and a comprehensive POC flux database (2023626)
Simon Ramondenc1, Jean-Olivier Irisson1, Miriam Beck2, Corinne Le Quere3, B. B. Cael4, Virginie Sonnet5 and Lionel Guidi1, (1)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche-sur-Mer, France, (2)French Foundation for Biodiversity Research (FRB), Paris, France, (3)University of East Anglia, School of Environmental Sciences, Norwich, United Kingdom, (4)University of Chicago, Chicago, IL, United States, (5)Laboratoire d'Océanographie de Villefranche (LOV), Sorbonne Université, Villefranche Sur Mer, France
 
Physical and Ecological Forcings Drive the Particle Dynamics and Enhanced Carbon Export Efficiency in the Tropical Marginal Sea (2023729)
Zengchao Xu, Yibin Huang, Prof. Xin Liu, PhD and Bangqin Huang, Xiamen University, State Key Laboratory of Marine Environmental Science, Xiamen, China
 
Trait–Based Adjustments: Key to Improving Model Representation of the Bloom Seasonal Cycle in the Subantarctic Zone (2023910)
Thulwaneng Mashifane, Council for Scientific and Industrial Research, Southern Ocean Carbon–Climate Observatory, Cape Town, South Africa, Sandy Jane Thomalla, Council for Scientific and Industrial Research (CSIR), Southern Ocean Carbon and Climate Observatory (SOCCO), Cape Town, South Africa and Alessandro Tagliabue, University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom
 
Microplastic-induced fragmentation reduces carbon export from Antarctic krill faeces: Insights from a mechanistic model (2024771)
Dr. Nan Wu, Aidan Hunter and Clara Manno, NERC British Antarctic Survey, Cambridge, United Kingdom
 
Do latitudinal variations in the transfer efficiency of the biological carbon pump exist? (2025195)
Dr. Anna Rufas Blanco, PhD1, Samar Khatiwala2 and Heather A. Bouman1, (1)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (2)Waseda University, Tokyo, Japan
 
Intercomparison of particle sinking velocities from ex-situ and in-situ methods in the North Atlantic: processes, variability, and biogeochemical implications from the APERO Cruise (2026039)
Dr. Tristan Biard1, Simon Ramondenc2, Lionel Guidi2, Alexandre Accardo2, Chloé M. J. Baumas3, Florian Barge4, Maéva Gesson5, Morten H. Iversen6, Manon Laget7, Emmanuel Christian Laurenceau-Cornec8, Frédéric Le Moigne9, Laurent Memery10, Brivaëla Moriceau11, Théo Picard12 and Maria Villa-Alfageme13, (1)Université du Littoral Côte d'Opale, Laboratoire d'Océanologie et de Géosciences, Wimereux, France, (2)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, UMR 7093 LOV, Villefranche-sur-Mer, France, (3)Stanford University, Earth System Science, Stanford, United States, (4)Laboratoire des sciences de l'environnement marin (UBO, CNRS, Ifremer, IRD), Plouzané, France, Plouzané, France, (5)LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, PhD student, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (6)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Polar Biological Oceanography, Bremerhaven, Germany, (7)Dalhousie University, Oceanography Department, Halifax, Canada, (8)IUEM Institut Universitaire Européen de la Mer, CNRS, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (9)LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, CNRS, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (10)CNRS, LEMAR (UBO, CNRS, Ifremer, IRD), Brest, France, (11)CNRS, LEMAR, IUEM Institut Universitaire Européen de la Mer, Plouzané, France, (12)Université de Bretagne Occidentale, Laboratoire des sciences de l'environnement marin (UBO, CNRS, Ifremer, IRD), Plouzané, France, (13)Universidad de Sevilla, Applied Physics II, Sevilla, Spain
 
Latitudinal dynamics of carbon export in the central Arctic Ocean and adjacent polar seas (2027818)
Florian Benony1, Pierrick Lemasson2, Philippe Massicotte3, Leo Lacour2,4, Samuel R Laney5,6, Herve Claustre2,7, Marcel Babin3,8, Simon Bélanger9,10 and Mathieu Ardyna1,11, (1)Takuvik Joint International Laboratory, Laval University (Canada) - CNRS (France), Québec, QC, Canada, Quebec, Canada, (2)CNRS & Sorbonne Université , Laboratoire d'Océanographie de Villefranche (LOV), Villefranche-sur-Mer, France, Villefranche-sur-Mer, France, (3)Takuvik Joint International Laboratory, Laval University (Canada) - CNRS (France), Québec, QC, Canada, Quebec, QC, Canada, (4)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche (LOV), Villefranche-sur-Mer, France, (5)Woods Hole Oceanographic Institution, Woods Hole, United States, (6)Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, Woods Hole, United States, (7)Sorbonne Université, CNRS, Laboratoire d’Océanographie de Villefranche (LOV), Villefranche-sur-mer, France, (8)Laval University, Quebec City, Canada, (9)University of Quebec at Rimouski UQAR, Biology, Chemistry and Geography ; AquaTel Research Lab, Rimouski, QC, Canada, (10)Département de biologie, chimie et géographie, Université du Québec à Rimouski, Rimouski, QC, G5L3A1, Canada, Rimouski, QC, Canada, (11)Laval University, Quebec City, QC, Canada
 
Improving Particulate Organic Carbon and Nitrogen (POCN) Resolution Using Beam Attenuation: Exploring C:N Ratios and Biological Controls at the Bermuda Atlantic Time Series Study (BATS) Site in the Western North Atlantic Ocean (2028678)
Rebecca May1, Rodney J Johnson2, Nicholas Robert Bates1,3, Matthew G. Hayden4, Lucinda Derbyshire5, Paul Lethaby2, Emily Davey2, Claire Medley2, Dominic Smith2, Roderick Bakker1, Emma Stuart2 and Eloïse Chambers2, (1)Arizona State University (ASU)-Bermuda Institute of Ocean Sciences (BIOS), St.George's, Bermuda, (2)Arizona State University (ASU)-Bermuda Institute of Ocean Sciences (BIOS), St George's, Bermuda, (3)Arizona State University, School of Ocean Futures, Tempe, United States, (4)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, United States, (5)Plymouth Marine Laboratory, Plymouth, United Kingdom
 
Large Trichodesmium colonies seed episodic carbon export events in a low-biomass ecosystem (2031042)
Stephanie O'Daly, University of Washington Seattle Campus, CICOES, Seattle, United States, Zachary K Erickson, NOAA Pacific Marine Environmental Laboratory, Physical Oceanography, Seattle, United States and Adam Martiny, University of California Irvine, Earth System Science, Irvine, CA, United States
 
Distributions of Particulate Organic Carbon (POC) fluxes in the North Equatorial Currents of the Pacific Ocean (2032265)
Junhyeong Seo, KIOST Korea Institute of Ocean Science and Technology, Marine Environmental Research Center, Ansan, South Korea and Intae Kim, Korea Institute of Ocean Science and Technology, Marine Environmental Research Department, Busan, South Korea
 
Reconciling geographic variations in particle transfer efficiency with seasonal data-assimilated model (2033487)
Renjian Li and Timothy J DeVries, University of California Santa Barbara, Earth Research Institute, Santa Barbara, United States
 
Unraveling the drivers of primary productivity dynamics in the North Atlantic with autonomous observations and machine learning. (2035641)
Flavien Petit1, Filipa Carvalho1, Nathan Briggs1, Mark Moore2, Heather A. Bouman3, Prof. Alex J Poulton4, Stephanie Henson1, Harish Kumar Kashtan Sundararaman3 and Hans Hilder1, (1)National Oceanography Centre, Southampton, United Kingdom, (2)University of Southampton, School of Ocean and Earth Science, Southampton, United Kingdom, (3)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (4)Heriot-Watt University, The Lyell Centre, Edinburgh, United Kingdom
 
Export pathways in the Irminger Sea (2036760)
Meg F. Yoder1, Kristen E Fogaren2 and Hilary I Palevsky1, (1)Boston College, Earth and Environmental Sciences, Chestnut Hill, MA, United States, (2)Boston College, Earth and Environmental Sciences, Chestnut Hill, United States
 
Carbon Dynamics in the South Adriatic Sea: Insights from 1D Argo-Driven Modeling and In-Situ Observations (2037078)
Marianna Giustino1,2, Giovannni Galli1, Carlotta Dentico1, Vanessa Rossana Cardin1 and Gianpiero Cossarini1, (1)National Institute of Oceanography and Applied Geophysics (OGS), Trieste, Italy, (2)University of Trieste, Department of Mathematics, Informatics and Geosciences, Trieste, Italy
 
A new global open-ocean climatology of particle mean size and sinking particulate carbon flux (2037359)
Nathan Briggs, Hans Hilder, Anita Flohr and Stephanie Henson, National Oceanography Centre, Southampton, United Kingdom
 
From bulk to single-particle resolution: unraveling microbial heterogeneity in the ocean’s carbon cycle (2039283)
Chloé M. J. Baumas1, Emmanuel Christian Laurenceau-Cornec2, Gabriel Dulaquais3, Mina Bizic4, Marc Garel5, Hans-Peter Grossart6, Danny Ionescu4, Anne E Dekas1, Amari Muhammad7, Christian Tamburini8 and Frédéric A.C. Le Moigne9, (1)Stanford University, Earth System Science, Stanford, United States, (2)IUEM Institut Universitaire Européen de la Mer, CNRS, LEMAR, Laboratoire des Sciences de l’Environnent Marin (UMR-6539), Plouzané, France, (3)IUEM Institut Universitaire Européen de la Mer, LEMAR (CNRS, Univ Brest, IRD, Ifremer), Plouzané, France, (4)Technische Universität Berlin, Department of Environmental Microbiomics, Berlin, Germany, (5)Aix Marseille Univ., Université Toulon, CNRS, IRD, MIO UM 110, Mediterranean Institute of Oceanography, Marseille, France, Marseille, France, (6)Leibniz Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany, (7)Stanford Earth Sciences, Stanford, United States, (8)Aix Marseille Univ. Université de Toulon, CNRS,IRD,MIO UM110, Mediterranean institut of oceanography, Marseille, France, (9)LEMAR, Univ Brest, CNRS, IRD, IFREMER, Laboratoire des sciences de l'environnement marin, Plouzané, France, Plouzané, France
 
Bulk Particle Sinking Speeds Across the Atlantic Ocean From Year-Round Autonomous Observations (2039504)
Hans Hilder1,2, Filipa Carvalho1, Nathan Briggs1, Stephanie Henson1, Dr. Elisa Lovecchio, PhD1, Anna Hickman2, Leo Lacour3, Elsa Simon4 and Herve Claustre4, (1)National Oceanography Centre, Southampton, United Kingdom, (2)University of Southampton, Southampton, United Kingdom, (3)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche (LOV), Villefranche-sur-Mer, France, (4)Sorbonne Université, CNRS, Laboratoire d’Océanographie de Villefranche (LOV), Villefranche-sur-mer, France
 
New Constraints on the Global Biological Carbon Pump from an Oxygen Mass Balance-Based Inverse Model (2039889)
Kayla Mitchel, University of California Irvine, Irvine, CA, United States and Francois Primeau, University of California Irvine, Earth System Science, Irvine, CA, United States
 
Multidecadal carbon isotopic observations provide new constraints on biological pump processes in the Sargasso Sea (2039946)
Charlotte Schnepper1, Dr. Rut Pedrosa Pamies2, Maureen H Conte3, Alexander Sohrab Brunmayr1, Henning Richter4, Negar Haghipour5, Nicolas Gruber6 and Timothy I Eglinton1, (1)ETH Zurich, Geological Institute, Zurich, Switzerland, (2)Marine Biological Laboratory, The Ecosystems Center, Woods Hole, United States, (3)BIOS, St Georges, Bermuda, (4)University of Zurich, Zurich, Switzerland, (5)ETH, Ion Beam Physics, Zürich, Switzerland, (6)Environmental Physics, Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, Zurich, Switzerland
 
The ocean’s gravity-driven carbon flux from serendipitous particle traps (2040948)
Adam Stoer, Bin Wang and Katja Fennel, Dalhousie University, Department of Oceanography, Halifax, NS, Canada
 
A Baseline Estimate of Net Rates and Carbon Sequestration for the Biological Carbon Pump (2041438)
Jamie Devereux Wilson, University of Liverpool, School of Environmental Sciences, Liverpool, United Kingdom, Carol Robinson, University of East Anglia, School of Environmental Sciences, Norwich, United Kingdom, Anwesha Ghosh, Indian Institute of Science Education and Research Kolkata, Kolkata, India, Martí Gali, Instituto de Ciencias Marinas (ICM), Barcelona, Spain, Richard LaBrie, McGill University, Dept of Earth and Planetary Sciences and Trottier Space Institute,, Montreal, Canada, Qin Wang, University of East Anglia, Centre for Ocean and Atmospheric Sciences, School of Environmental Sciences, Norwich, United Kingdom and Adrian Martin, National Oceanography Centre Southampton, Southampton, United Kingdom
 
Investigating Carbon Export Pathways and Controls in the Labrador Sea from a Year-long Multi-platform Observatory (2042630)
Filipa Carvalho1, Sari Lou Carolin Giering1, Nathan Briggs1, Louis Clément1, Dafydd Gwyn Evans2 and Scientific and Technical Teams on ReBELS Cruises JC268 and JC282 and glider deployments, (1)National Oceanography Centre, Southampton, United Kingdom, (2)University of Southampton, Southampton, United Kingdom
 
Ocean Carbon Observer: An Autonomous ARGO-Style Float for Daily Real-Time Year Round Observations of Particulate Organic and Inorganic Concentrations and Fluxes (2043141)
James K B Bishop, University of California Berkeley, Earth and Planetary Science, Berkeley, United States
 
Global observations of depth-resolved respiration reveal patterns of annual net community production (2047349)
Shannon McClish, University of Hawaii at Manoa, Oceanography, Honolulu, United States, Seth M Bushinsky, University of Hawaii, Honolulu, United States and Ivana Cerovecki, Scripps Institution of Oceanography, San Diego, United States
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