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| Lefèvre, Nathalie; Tyaquiçã, Pedro; Veleda, Doris; Perruche, Coralie; Van Gennip, Simon Jan. |
| The surface fugacity of CO2 (fCO2) has been measured hourly at a mooring at 8°N, 38°W, using a spectrophotometric CO2 sensor, from June to October 2013. In September 2013, the fCO2 and the sea surface salinity (SSS) decrease significantly. The high precipitation due to the presence of the Intertropical Convergence Zone (ITCZ) and the propagation of low salinity waters from the Amazon River plume explain the decrease of SSS. Indeed, in fall, the retroflection of the North Brazil Current (NBC) feeds the North Equatorial Counter Current (NECC) and transports Amazon waters to the eastern part of the tropical Atlantic. Simulations from a three dimensional physical and biogeochemical model and observations at the mooring show that the Amazon plume reached the... |
| Tipo: Text |
Palavras-chave: Fugacity of CO2; Air-sea flux of CO2; Western tropical Atlantic; Amazon plume. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00641/75322/75848.pdf |
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