Articles | Volume 14, issue 1
https://doi.org/10.5194/os-14-69-2018
https://doi.org/10.5194/os-14-69-2018
Research article
 | 
02 Feb 2018
Research article |  | 02 Feb 2018

Response of O2 and pH to ENSO in the California Current System in a high-resolution global climate model

Giuliana Turi, Michael Alexander, Nicole S. Lovenduski, Antonietta Capotondi, James Scott, Charles Stock, John Dunne, Jasmin John, and Michael Jacox

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Latest update: 27 Mar 2024
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Short summary
A high-resolution global model was used to study the influence of El Niño/La Niña events on the California Current System (CalCS). The mean surface oxygen (O2) response extends well offshore, where the pH response occurs within ~ 100 km of the coast. The surface O2 (pH) is primarily driven by temperature (upwelling) changes. Below 100 m, anomalously low O2 and low pH occurred during La Niña events near the coast, potentially stressing the ecosystem, but there are large variations between events.