Articles | Volume 15, issue 5
https://doi.org/10.5194/os-15-1225-2019
https://doi.org/10.5194/os-15-1225-2019
Research article
 | 
12 Sep 2019
Research article |  | 12 Sep 2019

pCO2 variability in the surface waters of the eastern Gulf of Cádiz (SW Iberian Peninsula)

Dolores Jiménez-López, Ana Sierra, Teodora Ortega, Soledad Garrido, Nerea Hernández-Puyuelo, Ricardo Sánchez-Leal, and Jesús Forja

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Cited articles

Aït-Ameur, N. and Goyet, C.: Distribution and transport of natural and anthropogenic CO2 in the Gulf of Cádiz, Deep-Sea Res. Pt II., 53, 1329–1343, https://doi.org/10.1016/j.dsr2.2006.04.003, 2006. 
Al Azhar, M., Lachkar, Z., Lévy, M., and Smith, S.: Oxygen minimum zone contrasts between the Arabian Sea and the Bay of Bengal implied by differences in remineralization depth, Geophys. Res. Lett., 44, 106–114, https://doi.org/10.1002/2017GL075157, 2017. 
Alvarez, I., Ospina-Alvarez, N., Pazos, Y., deCastro, M., Bernardez, P., Campos, M. J., Gomez-Gesteira, J. L., Alvarez-Ossorio, M. T., Varela, M., Gomez-Gesteira, M., and Prego, R.: A winter upwelling event in the Northern Galician Rias: Frequency and oceanographic implications, Estuar. Coast. Shelf Sci., 82, 573–582, https://doi.org/10.1016/j.ecss.2009.02.023, 2009. 
Anfuso, E., Ponce, R., Castro, C. G., and Forja, J. M.: Coupling between the thermohaline, chemical and biological fields during summer 2006 in the northeast continental shelf of the Gulf of Cádiz (SW Iberian Peninsula), 47–56, Sci. Mar., https://doi.org/10.3989/scimar.2010.74s1047, 2010. 
Arístegui, J., Barton, E. D., Álvarez-Salgado, X. A., Santos, A. M. P., Figueiras, F. G., Kifani, S., Hernández-León, S., Mason, E., Machú, E., and Demarcq, H.: Sub-regional ecosystem variability in the Canary Current upwelling, Prog. Oceanogr, 83, 33–48, https://doi.org/10.1016/j.pocean.2009.07.031, 2009. 
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Short summary
The present study describes the surface distribution of the partial pressure of CO2 in the continental shelf of the eastern Gulf of Cádiz. For this, eight oceanographic cruises were carried out between March 2014 and February 2016. This distribution presents a linear dependence with the temperature and it decreases with distance from the coast. The Gulf of Cádiz shows a mean rate of −0.18 ± 1.32 mmol m-2 d-1, with an annual uptake capacity of CO2 of 4.1 Gg C year-1.