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This study aims to investigate the diverse subsurface nutrient patterns observed within anticyclonic eddies in the upwelling system off Peru. Two simulated anticyclonic eddies with opposing subsurface nitrate concentrations were analysed. The results show that diverse nutrient patterns within anticyclonic eddies are related to the presence of water mass from different origins at different depths, responding to variations in depth of the circulation strength at the edge of the eddy.
This study aims to investigate the diverse subsurface nutrient patterns observed within...
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Articles | Volume 14, issue 6
Biogeosciences, 14, 1349–1364, 2017
https://doi.org/10.5194/bg-14-1349-2017
Biogeosciences, 14, 1349–1364, 2017
https://doi.org/10.5194/bg-14-1349-2017

Research article 20 Mar 2017

Research article | 20 Mar 2017

Linking diverse nutrient patterns to different water masses within anticyclonic eddies in the upwelling system off Peru

Yonss Saranga José et al.

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Cited articles

Altabet, M. A., Ryabenko, E., Stramma, L., Wallace, D. W. R., Frank, M., Grasse, P., and Lavik, G.: An eddy-stimulated hotspot for fixed nitrogen-loss from the Peru oxygen minimum zone, Biogeosciences, 9, 4897–4908, https://doi.org/10.5194/bg-9-4897-2012, 2012.
Carton J. A. and Giese, B. S.: A Reanalysis of Ocean Climate Using Simple Ocean Data Assimilation (SODA), Am. Meteorol. Soc., 136, 2999–3017, https://doi.org/10.1175/2007MWR1978.1, 2008.
Chaigneau, A., Gizolme, A., and Grados, C.: Mesoscale eddies off Peru in altimeter records: Identification algorithms and eddy spatio-temporal patterns, Prog. Oceanogr., 79, 106–119, https://doi.org/10.1016/j.pocean.2008.10.013, 2008.
Chaigneau, A., Texier, M., Eldin, G., Grados, C., and Pizarro, O.: Vertical structure of mesoscale eddies in the eastern South Pacific Ocean: A composite analysis from altimetry and Argo profiling floats, J. Geophys. Res., 116, 1–16, https://doi.org/10.1029/2011JC007134, 2011.
Chaigneau, A., Dominguez, N., Eldin, G., Vasquez, L., Flores, R., Grados, C., and Echevin, V.: Near-coastal circulation in the Northern Humboldt Current System from shipboard ADCP data, J. Geophys. Res., 118, 1–16, https://doi.org/10.1002/jgrc.20328, 2013.
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Short summary
This study aims to investigate the diverse subsurface nutrient patterns observed within anticyclonic eddies in the upwelling system off Peru. Two simulated anticyclonic eddies with opposing subsurface nitrate concentrations were analysed. The results show that diverse nutrient patterns within anticyclonic eddies are related to the presence of water mass from different origins at different depths, responding to variations in depth of the circulation strength at the edge of the eddy.
This study aims to investigate the diverse subsurface nutrient patterns observed within...
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Final-revised paper
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