Air-sea CO2 fluxes in the Atlantic as measured during the FICARAM cruises
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AuthorsPadín, X.A. (Xosé Antonio); Vázquez-Rodríguez, M. (Marcos); Castaño, M. (Mónica); Velo, A. (Antón); Alonso-Pérez, F. (Fernando); Gago, J. (Jesús); Gilcoto, M. (Miguel); Álvarez, M. (Marta); Conde-Pardo, P. (Paula); Paz, M. (Mercedes) de la; Fernández-Ríos, A. (Aida); Fernández-Pérez, F. (Fiz)
A total of fourteen hydrographic cruises spanning from 2000 to 2008 were conducted during the spring and autumn seasons between Spain and the Southern Ocean, under the framework of the Spanish research project FICARAM. The performed underway measurements are processed and analysed to describe the meridional air-sea CO2 fluxes (F CO2) along the Atlantic Ocean. The data was organised into different biogeochemical oceanographic provinces, according mainly to the thermohaline characteristics. The obtained spatial and temporal distributions of F CO2 follow the generally expected patterns and annual trends. The Subtropical regions in both hemispheres alternated the CO2 source and sink nature from autumn to spring, respectively. On the other hand, Tropical waters and the Patagonian Sea clearly behaved as sinks of atmospheric CO2 like the waters of the Drake Passage during autumn. The obtained results during the cruises also revealed significant long-term trends, such as the warming of ...
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