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Article Dans Une Revue Marine Technology Society Journal Année : 2022

OneArgo: A New Paradigm for Observing the Global Ocean

Résumé

Abstract OneArgo is a major expansion of the Argo program, which has provided two decades of transformative physical data for the upper 2 km of the global ocean. The present Argo array will be expanded in three ways: (1) Global Core: the existing upper ocean measurements will be extended to high latitudes and marginal seas and with enhanced coverage in the tropics and western boundaries of the major ocean basins; (2) Deep: deep ocean measurements will be obtained for the 50% of the global oceans that are below 2,000-m depth; and (3) Biogeochemical: dissolved oxygen, pH, nitrate, chlorophyll, optical backscatter, and irradiance data will be collected to investigate biogeochemical variability of the upper ocean and the processes by which these cycles respond to a changing climate. The technology and infrastructure necessary for this expansion is now being developed through large-scale regional pilots to further refine the floats and sensors and to demonstrate the utility of these measurements. Further innovation is expected to improve the performance of the floats and sensors and to develop the analyses necessary to provide research-quality data. A fully global OneArgo should be operational within 5‐10 years.
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hal-03956287 , version 1 (26-01-2023)

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Paternité - Pas de modifications

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W. Brechner Owens, Nathalie Zilberman, Ken Johnson, Hervé Claustre, Megan Scanderbeg, et al.. OneArgo: A New Paradigm for Observing the Global Ocean. Marine Technology Society Journal, 2022, 56 (3), pp.84-90. ⟨10.4031/MTSJ.56.3.8⟩. ⟨hal-03956287⟩
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