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A Global Ocean Oxygen Database and Atlas for assessing and predicting deoxygenation and ocean health in the open and coastal ocean

M. Grégoire 1, * Véronique Garçon 2, * Hernán E. Garcia 3 Denise Breitburg 4 Kirsten Isensee 5 Andreas Oschlies 6 Maciej Telszewski 7 Alexander Barth 8 Henry C. Bittig 9 Jacob Carstensen 10 Thierry Carval 11 Fei Chai 12 Francisco Chavez 13 Daniel J. Conley 14 Laurent Coppola 15 Sean A. Crowe 16 Kim I. Currie 17 Minhan Dai 18 Bruno Deflandre 19 Boris Dewitte 20 Robert Diaz 21 Emilio Garcia-Robledo 22 Denis Gilbert 23 Alessandra Giorgetti 24 Ronnie Nøhr Glud 25 Dimitri Gutierrez 26 Shigeki Hosoda 27 Masao Ishii 28 Gil S. Jacinto 29 Chris Langdon 30 Siv K. Lauvset 31 Lisa Ann Levin 32 Karin E. Limburg 33 Hela Mehrtens 6 Ivonne Montes 26 Wajih Naqvi 34 Aurélien Paulmier 35 Benjamin Pfeil 36 Grant Pitcher 37 Sylvie Pouliquen 11 Nancy Rabalais Christophe Rabouille 38 Virginie Recape 39 Michaël Roman 40 Kenneth Rose 41 Daniel L. Rudnick 42 Jodie L. Rummer 41 Catherine Schmechtig 15 Sunke Schmidtko 6 Brad Seibel 43 Caroline Slomp 44 Ussif Rashid Sumalia 45 Toste Tanhua 6 Virginie Thierry 11 Hiroshi Uchida 27 Rik Wanninkhof 3 Moriaki Yasuhara 46
* Corresponding author
Abstract : In this paper, we outline the need for a coordinated international effort toward the building of an open-access Global Ocean Oxygen Database and ATlas (GO$_2$DAT) complying with the FAIR principles (Findable, Accessible, Interoperable, and Reusable). GO$_2$DAT will combine data from the coastal and open ocean, as measured by the chemical Winkler titration method or by sensors (e.g., optodes, electrodes) from Eulerian and Lagrangian platforms (e.g., ships, moorings, profiling floats, gliders, ships of opportunities, marine mammals, cabled observatories). GO$_2$DAT will further adopt a community-agreed, fully documented metadata format and a consistent quality control (QC) procedure and quality flagging (QF) system. GO$_2$DAT will serve to support the development of advanced data analysis and biogeochemical models for improving our mapping, understanding and forecasting capabilities for ocean O$_2$ changes and deoxygenation trends. It will offer the opportunity to develop quality-controlled data synthesis products with unprecedented spatial (vertical and horizontal) and temporal (sub-seasonal to multi-decadal) resolution. These products will support model assessment, improvement and evaluation as well as the development of climate and ocean health indicators. They will further support the decision-making processes associated with the emerging blue economy, the conservation of marine resources and their associated ecosystem services and the development of management tools required by a diverse community of users (e.g., environmental agencies, aquaculture, and fishing sectors). A better knowledge base of the spatial and temporal variations of marine O$_2$ will improve our understanding of the ocean O$_2$ budget, and allow better quantification of the Earth’s carbon and heat budgets. With the ever-increasing need to protect and sustainably manage ocean services, GO$_2$DAT will allow scientists to fully harness the increasing volumes of O$_2$ data already delivered by the expanding global ocean observing system and enable smooth incorporation of much higher quantities of data from autonomous platforms in the open ocean and coastal areas into comprehensive data products in the years to come. This paper aims at engaging the community (e.g., scientists, data managers, policy makers, service users) toward the development of GO$_2$DAT within the framework of the UN Global Ocean Oxygen Decade (GOOD) program recently endorsed by IOC-UNESCO. A roadmap toward GO$_2$DAT is proposed highlighting the efforts needed (e.g., in terms of human resources).
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Submitted on : Friday, January 14, 2022 - 7:13:35 AM
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M. Grégoire, Véronique Garçon, Hernán E. Garcia, Denise Breitburg, Kirsten Isensee, et al.. A Global Ocean Oxygen Database and Atlas for assessing and predicting deoxygenation and ocean health in the open and coastal ocean. Frontiers in Marine Science, Frontiers Media, 2021, 8, pp.724913. ⟨10.3389/fmars.2021.724913⟩. ⟨hal-03524573⟩

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