Articles | Volume 13, issue 15
https://doi.org/10.5194/bg-13-4389-2016
https://doi.org/10.5194/bg-13-4389-2016
Research article
 | 
08 Aug 2016
Research article |  | 08 Aug 2016

Seasonal variability of the oxygen minimum zone off Peru in a high-resolution regional coupled model

Oscar Vergara, Boris Dewitte, Ivonne Montes, Veronique Garçon, Marcel Ramos, Aurélien Paulmier, and Oscar Pizarro

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Short summary
The Southeast Pacific hosts one of the most extensive oxygen minimum zone (OMZ), yet the dynamics behind it remain unveiled. We use a high-resolution coupled physical–biogeochemical model to document the seasonal cycle of dissolved oxygen within the OMZ in both the coastal zone and the offshore ocean. The OMZ seasonal variability is driven by the seasonal fluctuations of the dissolved oxygen eddy flux, with a peak in Austral winter (fall) at the northern (southern) boundary and near the coast.
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