Articles | Volume 13, issue 15
https://doi.org/10.5194/bg-13-4389-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-4389-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
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
CORRESPONDING AUTHOR
Laboratoire d'Études en Géophysique et Océanographie
Spatiales, CNRS/IRD/CNES/UPS, UMR5566, Toulouse, France
Boris Dewitte
Laboratoire d'Études en Géophysique et Océanographie
Spatiales, CNRS/IRD/CNES/UPS, UMR5566, Toulouse, France
Departamento de Biología, Facultad de Ciencias del Mar,
Universidad Católica del Norte, Coquimbo, Chile
Millennium Nucleus for Ecology and Sustainable Management of Oceanic
Islands (ESMOI), Coquimbo, Chile
Centro de Estudios Avanzado en Zonas Áridas (CEAZA), Coquimbo,
Chile
Ivonne Montes
Instituto Geofísico del Perú (IGP), Lima, Perú
Veronique Garçon
Laboratoire d'Études en Géophysique et Océanographie
Spatiales, CNRS/IRD/CNES/UPS, UMR5566, Toulouse, France
Marcel Ramos
Departamento de Biología, Facultad de Ciencias del Mar,
Universidad Católica del Norte, Coquimbo, Chile
Millennium Nucleus for Ecology and Sustainable Management of Oceanic
Islands (ESMOI), Coquimbo, Chile
Centro de Estudios Avanzado en Zonas Áridas (CEAZA), Coquimbo,
Chile
Aurélien Paulmier
Laboratoire d'Études en Géophysique et Océanographie
Spatiales, CNRS/IRD/CNES/UPS, UMR5566, Toulouse, France
Oscar Pizarro
Department of Geophysics, University of Concepción, Concepción, Chile
Millennium Institute of Oceanography, University of Concepción, Concepción, Chile
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Cited
27 citations as recorded by crossref.
- The OMZ and nutrient features as a signature of interannual and low-frequency variability in the Peruvian upwelling system M. Graco et al. 10.5194/bg-14-4601-2017
- On the interpretation of changes in the subtropical oxygen minimum zone volume off Chile during two La Niña events (2001 and 2007) M. Pizarro-Koch et al. 10.3389/fmars.2023.1155932
- Subsurface Mesoscale Eddy Generation in the Ocean off Central Chile M. Contreras et al. 10.1029/2018JC014723
- Evidences and drivers of ocean deoxygenation off Peru over recent past decades D. Espinoza-Morriberón et al. 10.1038/s41598-021-99876-8
- Effects of upwelling duration and phytoplankton growth regime on dissolved-oxygen levels in an idealized Iberian Peninsula upwelling system J. Bettencourt et al. 10.5194/npg-27-277-2020
- Strong Habitat Compression by Extreme Shoaling Events of Hypoxic Waters in the Eastern Pacific E. Köhn et al. 10.1029/2022JC018429
- System controls of coastal and open ocean oxygen depletion G. Pitcher et al. 10.1016/j.pocean.2021.102613
- Interannual Variability of the Atlantic North Equatorial Undercurrent and Its Impact on Oxygen K. Burmeister et al. 10.1029/2018JC014760
- A Global Ocean Oxygen Database and Atlas for Assessing and Predicting Deoxygenation and Ocean Health in the Open and Coastal Ocean M. Grégoire et al. 10.3389/fmars.2021.724913
- Reconstructing past variations in environmental conditions and paleoproductivity over the last ∼ 8000 years off north-central Chile (30° S) P. Muñoz et al. 10.5194/bg-17-5763-2020
- Vertical energy flux at ENSO time scales in the subthermocline of the Southeastern Pacific O. Vergara et al. 10.1002/2016JC012614
- Sensitivity of the Near‐Shore Oceanic Circulation Off Central Chile to Coastal Wind Profiles Characteristics O. Astudillo et al. 10.1029/2018JC014051
- Seasonal Variability of the Southern Tip of the Oxygen Minimum Zone in the Eastern South Pacific (30°‐38°S): A Modeling Study M. Pizarro‐Koch et al. 10.1029/2019JC015201
- Drivers of temporal beta diversity of a benthic community in a seasonally hypoxic fjord J. Chu et al. 10.1098/rsos.172284
- Sediment oxygen consumption: Role in the global marine carbon cycle B. Jørgensen et al. 10.1016/j.earscirev.2022.103987
- Mesoscale Variability in the Boundaries of the Oxygen Minimum Zone in the Eastern South Pacific: Influence of Intrathermocline Eddies P. Auger et al. 10.1029/2019JC015272
- Multidecadal Changes in Marine Subsurface Oxygenation Off Central Peru During the Last ca. 170 Years J. Cardich et al. 10.3389/fmars.2019.00270
- Carbon capture via accelerated weathering of limestone: Modeling local impacts on the carbonate chemistry of the southern North Sea J. Kirchner et al. 10.1016/j.ijggc.2019.102855
- Strong and Dynamic Benthic-Pelagic Coupling and Feedbacks in a Coastal Upwelling System (Peruvian Shelf) A. Dale et al. 10.3389/fmars.2017.00029
- Positive Indian Ocean Dipole events prevent anoxia off the west coast of India P. Vallivattathillam et al. 10.5194/bg-14-1541-2017
- Pacific Decadal Oscillation and recent oxygen decline in the eastern tropical Pacific Ocean O. Duteil et al. 10.5194/bg-15-7111-2018
- Understanding the impact of climate change on the oceanic circulation in the Chilean island ecoregions B. Dewitte et al. 10.1002/aqc.3506
- The oxygen minimum zone relative depth is a key driver of dolphin habitats in the northern Humboldt Current System M. Llapapasca et al. 10.3389/fmars.2022.1027366
- ENSO diversity driving low-frequency change in mesoscale activity off Peru and Chile C. Conejero et al. 10.1038/s41598-020-74762-x
- Transport, properties, and life cycles of mesoscale eddies in the eastern tropical South Pacific R. Czeschel et al. 10.5194/os-14-731-2018
- Oxygen Variability During ENSO in the Tropical South Eastern Pacific D. Espinoza-Morriberón et al. 10.3389/fmars.2018.00526
- Observed El Niño conditions in the eastern tropical Pacific in October 2015 L. Stramma et al. 10.5194/os-12-861-2016
26 citations as recorded by crossref.
- The OMZ and nutrient features as a signature of interannual and low-frequency variability in the Peruvian upwelling system M. Graco et al. 10.5194/bg-14-4601-2017
- On the interpretation of changes in the subtropical oxygen minimum zone volume off Chile during two La Niña events (2001 and 2007) M. Pizarro-Koch et al. 10.3389/fmars.2023.1155932
- Subsurface Mesoscale Eddy Generation in the Ocean off Central Chile M. Contreras et al. 10.1029/2018JC014723
- Evidences and drivers of ocean deoxygenation off Peru over recent past decades D. Espinoza-Morriberón et al. 10.1038/s41598-021-99876-8
- Effects of upwelling duration and phytoplankton growth regime on dissolved-oxygen levels in an idealized Iberian Peninsula upwelling system J. Bettencourt et al. 10.5194/npg-27-277-2020
- Strong Habitat Compression by Extreme Shoaling Events of Hypoxic Waters in the Eastern Pacific E. Köhn et al. 10.1029/2022JC018429
- System controls of coastal and open ocean oxygen depletion G. Pitcher et al. 10.1016/j.pocean.2021.102613
- Interannual Variability of the Atlantic North Equatorial Undercurrent and Its Impact on Oxygen K. Burmeister et al. 10.1029/2018JC014760
- A Global Ocean Oxygen Database and Atlas for Assessing and Predicting Deoxygenation and Ocean Health in the Open and Coastal Ocean M. Grégoire et al. 10.3389/fmars.2021.724913
- Reconstructing past variations in environmental conditions and paleoproductivity over the last ∼ 8000 years off north-central Chile (30° S) P. Muñoz et al. 10.5194/bg-17-5763-2020
- Vertical energy flux at ENSO time scales in the subthermocline of the Southeastern Pacific O. Vergara et al. 10.1002/2016JC012614
- Sensitivity of the Near‐Shore Oceanic Circulation Off Central Chile to Coastal Wind Profiles Characteristics O. Astudillo et al. 10.1029/2018JC014051
- Seasonal Variability of the Southern Tip of the Oxygen Minimum Zone in the Eastern South Pacific (30°‐38°S): A Modeling Study M. Pizarro‐Koch et al. 10.1029/2019JC015201
- Drivers of temporal beta diversity of a benthic community in a seasonally hypoxic fjord J. Chu et al. 10.1098/rsos.172284
- Sediment oxygen consumption: Role in the global marine carbon cycle B. Jørgensen et al. 10.1016/j.earscirev.2022.103987
- Mesoscale Variability in the Boundaries of the Oxygen Minimum Zone in the Eastern South Pacific: Influence of Intrathermocline Eddies P. Auger et al. 10.1029/2019JC015272
- Multidecadal Changes in Marine Subsurface Oxygenation Off Central Peru During the Last ca. 170 Years J. Cardich et al. 10.3389/fmars.2019.00270
- Carbon capture via accelerated weathering of limestone: Modeling local impacts on the carbonate chemistry of the southern North Sea J. Kirchner et al. 10.1016/j.ijggc.2019.102855
- Strong and Dynamic Benthic-Pelagic Coupling and Feedbacks in a Coastal Upwelling System (Peruvian Shelf) A. Dale et al. 10.3389/fmars.2017.00029
- Positive Indian Ocean Dipole events prevent anoxia off the west coast of India P. Vallivattathillam et al. 10.5194/bg-14-1541-2017
- Pacific Decadal Oscillation and recent oxygen decline in the eastern tropical Pacific Ocean O. Duteil et al. 10.5194/bg-15-7111-2018
- Understanding the impact of climate change on the oceanic circulation in the Chilean island ecoregions B. Dewitte et al. 10.1002/aqc.3506
- The oxygen minimum zone relative depth is a key driver of dolphin habitats in the northern Humboldt Current System M. Llapapasca et al. 10.3389/fmars.2022.1027366
- ENSO diversity driving low-frequency change in mesoscale activity off Peru and Chile C. Conejero et al. 10.1038/s41598-020-74762-x
- Transport, properties, and life cycles of mesoscale eddies in the eastern tropical South Pacific R. Czeschel et al. 10.5194/os-14-731-2018
- Oxygen Variability During ENSO in the Tropical South Eastern Pacific D. Espinoza-Morriberón et al. 10.3389/fmars.2018.00526
1 citations as recorded by crossref.
Saved (preprint)
Discussed (final revised paper)
Latest update: 03 Oct 2023
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.
The Southeast Pacific hosts one of the most extensive oxygen minimum zone (OMZ), yet the...
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