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Rapport (Rapport De Recherche) Année : 2021

Global Ocean Surface Carbon Product

Résumé

This product corresponds to a REP L4 time series of monthly global reconstructed surface ocean pCO2, air-sea fluxes of CO2 and pH and associated uncertainties on a 1° x 1° regular grid. The product is obtained from an ensemble-based forward feed neural network approach mapping situ data for surface ocean fugacity (SOCAT data base, Bakker et al. 2016, https://www.socat.info/) and sea surface salinity, temperature, sea surface height, chlorophyll a, mixed layer depth and atmospheric CO2 mole fraction. Sea-air flux fields are computed from the air-sea gradient of pCO2 and the dependence on wind speed of Wanninkhof (1992). Surface ocean pH on total scale is then computed from surface ocean pCO2 and reconstructed surface ocean alkalinity using the CO2sys speciation software.
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Dates et versions

hal-02957656 , version 1 (05-10-2020)
hal-02957656 , version 2 (24-10-2022)
hal-02957656 , version 3 (24-10-2022)
hal-02957656 , version 4 (30-11-2022)

Identifiants

  • HAL Id : hal-02957656 , version 1

Citer

Thi Tuyet Trang Chau, Marion Gehlen, Frédéric Chevallier. Global Ocean Surface Carbon Product. [Research Report] LSCE. 2021. ⟨hal-02957656v1⟩

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