Surface Ocean CO2 Variability and Vulnerability Workshop
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IOC/UNESCO, Paris, France, April 11-14, 2007
International Organizing Committee
Nicolas Metzl* (IPSL, France), Bronte Tilbrook* (CSIRO, Australia), Dorothee Bakker (U. East Anglia, UK), Kitack Lee (Pohang Uni., Korea), Scott Doney (WHOI, USA), Dick Feely (NOAA, USA), Jeff Hare (SOLAS Project Offcie), Sylvie Roy (IMBER Project Office), Corinne Le Quéré (U. East Anglia, UK), Roger Dargaville (IOCCP Project Office), Maria Hood (IOCCP Project Office). *co-chairs
Workshop Documents (agenda, participants list, report)
About the Workshop
The purpose of this workshop is to review the current knowledge base and enhance international cooperation to resolve the magnitude, variability and processes governing ocean sources and sinks of carbon: from observations, process-based models and atmospheric and oceanic inversions. Some of the key questions to be addressed through plenary talks, poster session, and working groups include:
Working Groups:
Working Group 1: To identify from field observations and model outputs the ocean processes that control recent (several decades) of air-sea fluxes, and determine if we are able to estimate what will be the changes in the future, and to assess the content and quality of the models that are used to quantify the observed and projected changes
Working Group 2. To develop observing strategies to address our largest unknowns, data and gas exchange uncertainties, and taking into account new techniques, measurement technology, and observing system experiments.
Working Group 3. To identify opportunities and needs for coordinated data synthesis activities based on existing projects, new results, and recent data releases. Should we begin developing a “GlobalView Ocean CO2” database?
Outcomes:
I. A volume of meeting proceedings or a special issue of a journal including articles from key invited talks and posters, plus major synthesis articles developed by the working groups.
II. A workshop report outlining needs for research and observation coordination, data exchange and data synthesis activities, and plans for follow-up activities to address the needs highlighted by the workshop
Special Issue:
Deep Sea Research II will accept papers from the workshop participants for publication in a special issue. The deadline for submission is August 31 2007. Guidelines for submission to DSR II can be found here.
Meeting report (pdf 3.7Mb)
Ocean carbon and biogeochemistry |
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| David Antoine (D’Ortenzio) | Detecting and understanding the decadal changes of the global ocean phytoplankton: the GLOBPHY Project |
| Bruno Delille (Borges) | Spring CO2 dynamics within sea ice: abiotical vs biological control |
| Richard Dugdale | Ecosystem functions in the Equatorial Pacific Ocean |
| David Hydes | Fine and global scale measurements of pCO2 and dissolved oxygen in relation to biological processes and gas exchange |
| Ken Johnson | Observing the linked changes in nitrate, oxygen and inorganic carbon with in situ sensors in the coastal ocean |
| S. Martin (Gattuso) | Response of Mediterranean benthic coralline algae and corals to elevated pCO2 andtemperature |
| Kumiko Azetsu-Scott | Time series studies of total inorganic carbon in the Labrador Sea and in the Canadian Arctic Archipelago |
| W.-C. Chou (Sheu) | Influence of the South China Sea subsurface water outflow on the carbon chemistry of Kuroshio waters |
| Masahide Wakita | Temporal variability of dissolved inorganic carbon in the western North Pacific subarctic region |
| Scott Doney | The Impact of Anthropogenic Atmospheric Nitrogen and Sulfur Deposition on Ocean Acidification and Inorganic Carbon System |
| Helmuth Thomas | Rising CO2 conditions and ocean acidification - a severe threat to high latitude coastal ecosystems |
pCO2 systems |
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| Nick Hardman-Mountford | An operational UK air-sea carbon flux observation capability (CARBON-OPS) |
| Craig Neill | An Underway pCO2 system desinged for volunteer observing ships |
| Craig McNeil | The CO2-Pro Sensor and Preliminary Intercomparisons |
| Yoshijuki Nakano | A new simple pCO2 sensor with compact drifting buoy system for long term observation |
Techniques and methods |
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| Andy Jacobson | Atmospheric constraints on the ocean carbon cycle |
| Elizabeth Jones | Remote sensing as a tool for quantifying oceanic carbon dioxide sinks and sources in the Atlantic Sector of the Southern Ocean |
| Colm Sweeney | Constraining global air-sea gas exchange for CO2 with recent bomb 14C measurements and multiple wind products |
| Maciej Telszewski | Neural networks as a technique for reconstructing marine pCO2 fields in the North Atlantic using data gathered within 2005 by VOS, buoys, moorings and research vessels. |
| Natalie Lefèvre | Observational strategy to better estimate the variability of fCO2 in the tropical Atlantic |
| Toru Iwata | CO2 profile in the lower atmosphere and CO2 flux by the gradient method |
| Fumiyoshi Kondo | Air-Sea CO2 Flux by Eddy Covariance Technique in the Equatorial Indian Ocean |
| Denis Pierrot | Recommendations on Underway pCO2 Data Reduction |
CO2 fluxes and pCO2 observations |
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| Yrene Astor | Air-sea CO2 fluxes at the Cariaco Basin |
| Charlie Bargeron | More pieces of the shelf sea CO2 flux jigsaw puzzle |
| Alberto Borges | Inter-annual variability of the carbon dioxide oceanic sink south of Tasmania |
| A. Fransson (Chierici) | Continuous pCO2 measurements under the sea ice in Arctic and Antarctic waters onboard an icebreaker |
| Mario Hoppema | Strong fCO2 undersaturation after ice melt in the eastern Weddell Gyre |
| Akihiko Murata | Summertime CO2 sources and sinks in the eastern Bering Sea shelf |
| Jon Olafsson | Regional and temporal variability of surface pCO2 in the North Atlantic near Iceland |
| Mariana Ribas-Ribas | Is the coastal zone of the Gulf of Cadiz a source or sink of CO2 |
| Santana-Casiano & González-Dávila | Carbon dioxide fluxes in the Benguela coastal province |
| Tobias Steinhoff | Measurements of the CO2 partial pressure in the North Atlantic Ocean – Does the ΔpCO2 change? |
| Colm Sweeney | Factors driving the interannual variability of surface pCO2 in the Drake Passage |
| Siv Lauvseth | North Atlantic fCO2 variability in time and space |
| Kim Currie | The South West Pacific Ocean – Sink for Atmospheric Carbon Dioxide |
| X. A. Padin (Rios) | fCO2sw variability in the Bay of Biscay during ECO cruises |
| X. A. Padin (Rios) | fCO2 in the Equatorial and North Subtropical Atlantic |
| Jaqueline Boutin | CO2 and associated parameters variability in the Southern Ocean: CARIOCA and Argo drifters |
