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Physical and biogeochemical observations from an autonomous underwater vehicle in combination with ship-based measurements are used to investigate remote and local drivers of the oxygen and nutrient variability off Mauritania. Beside the transport of oxygen and nutrients characteristics from remote areas towards Mauritania also local remineralization of organic material close to the seabed seems to be important for the distribution of oxygen and nutrients.
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BG | Articles | Volume 16, issue 5
Biogeosciences, 16, 979–998, 2019
https://doi.org/10.5194/bg-16-979-2019
Biogeosciences, 16, 979–998, 2019
https://doi.org/10.5194/bg-16-979-2019

Research article 13 Mar 2019

Research article | 13 Mar 2019

Remote and local drivers of oxygen and nitrate variability in the shallow oxygen minimum zone off Mauritania in June 2014

Soeren Thomsen et al.

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Cited articles

Álvarez-Salgado, X. A.: Contribution of upwelling filaments to offshore carbon export in the subtropical Northeast Atlantic Ocean, Limnol. Oceanogr., 52, 1287–1292, https://doi.org/10.4319/lo.2007.52.3.1287, 2007. a, b, c, d
Álvarez-Salgado, X., Doval, M., and Perez, F.: Dissolved organic matter in shelf waters off the Ria de Vigo (NW Iberian upwelling system), J. Marine Syst., 18, 383–394, https://doi.org/10.1016/S0924-7963(97)00114-0, 1999. a
Azam, F., Fenchel, T., Field, J. G., Gray, J. S., Meyer-Reil, L. A., and Thingstad, F.: The Ecological Role of Water-Column Microbes in the Sea, Marine Ecology Progress Series, 10, 257–263, 1983. a
Benner, R.: Chemical composition and reactivity, Biogeochemistry of Marine Dissolved Organic Matter, 59–90, 2002. a
Brandt, P., Bange, H. W., Banyte, D., Dengler, M., Didwischus, S.-H., Fischer, T., Greatbatch, R. J., Hahn, J., Kanzow, T., Karstensen, J., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T., and Visbeck, M.: On the role of circulation and mixing in the ventilation of oxygen minimum zones with a focus on the eastern tropical North Atlantic, Biogeosciences, 12, 489–512, https://doi.org/10.5194/bg-12-489-2015, 2015. a, b, c, d, e, f, g, h, i, j, k, l
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Physical and biogeochemical observations from an autonomous underwater vehicle in combination with ship-based measurements are used to investigate remote and local drivers of the oxygen and nutrient variability off Mauritania. Beside the transport of oxygen and nutrients characteristics from remote areas towards Mauritania also local remineralization of organic material close to the seabed seems to be important for the distribution of oxygen and nutrients.
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