Articles | Volume 11, issue 3
https://doi.org/10.5194/os-11-455-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/os-11-455-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
22 Jun 2015
Research article |
| 22 Jun 2015
Circulation, eddies, oxygen, and nutrient changes in the eastern tropical South Pacific Ocean
GEOMAR Helmholtz Centre for Ocean Research Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany
L. Stramma
GEOMAR Helmholtz Centre for Ocean Research Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany
R. A. Weller
Woods Hole Oceanographic Institution (WHOI), 266 Woods Hole Rd, Woods Hole, MA 02543, USA
T. Fischer
GEOMAR Helmholtz Centre for Ocean Research Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany
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Cited
24 citations as recorded by crossref.
- Radium-228 as a tracer of dissolved trace element inputs from the Peruvian continental margin V. Sanial et al. 10.1016/j.marchem.2017.05.008
- The flow field of the upper hypoxic eastern tropical North Atlantic oxygen minimum zone L. Stramma et al. 10.5194/os-12-153-2016
- Seasonal variability of the oxygen minimum zone off Peru in a high-resolution regional coupled model O. Vergara et al. 10.5194/bg-13-4389-2016
- Southern Ocean biological impacts on global ocean oxygen D. Keller et al. 10.1002/2016GL069630
- Fore‐arc seafloor unconformities and geology: Insight from 3‐D seismic geomorphology analysis, Peru G. Calvès et al. 10.1002/2017GC007036
- A validation and comparison study of new, compact, versatile optodes for oxygen, pH and carbon dioxide in marine environments E. Fritzsche et al. 10.1016/j.marchem.2018.10.009
- High‐Resolution, Basin‐Scale Simulations Reveal the Impact of Intermediate Zonal Jets on the Atlantic Oxygen Minimum Zones P. Calil 10.1029/2022MS003158
- Spatial variability of bigeye tuna habitat in the Pacific Ocean: Hindcast from a refined ecological niche model C. Zhou et al. 10.1111/fog.12500
- Multiple oxidation state trace elements in suboxic waters off Peru: In situ redox processes and advective/diffusive horizontal transport G. Cutter et al. 10.1016/j.marchem.2018.01.003
- Evidences and drivers of ocean deoxygenation off Peru over recent past decades D. Espinoza-Morriberón et al. 10.1038/s41598-021-99876-8
- Trends and decadal oscillations of oxygen and nutrients at 50 to 300 m depth in the equatorial and North Pacific L. Stramma et al. 10.5194/bg-17-813-2020
- Oxygen Pathways and Budget for the Eastern South Pacific Oxygen Minimum Zone P. Llanillo et al. 10.1002/2017JC013509
- Observed Tracer Fields Structuration by Middepth Zonal Jets in the Tropical Pacific A. Delpech et al. 10.1175/JPO-D-19-0132.1
- The Equatorial Undercurrent and the Oxygen Minimum Zone in the Pacific J. Busecke et al. 10.1029/2019GL082692
- Dimethylated sulfur compounds in the Peruvian upwelling system Y. Zhao et al. 10.5194/bg-19-701-2022
- System controls of coastal and open ocean oxygen depletion G. Pitcher et al. 10.1016/j.pocean.2021.102613
- Transport, properties, and life cycles of mesoscale eddies in the eastern tropical South Pacific R. Czeschel et al. 10.5194/os-14-731-2018
- 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
- Linking diverse nutrient patterns to different water masses within anticyclonic eddies in the upwelling system off Peru Y. José et al. 10.5194/bg-14-1349-2017
- Subthermocline and Intermediate Zonal Currents in the Tropical Pacific Ocean: Paths and Vertical Structure S. Cravatte et al. 10.1175/JPO-D-17-0043.1
- Oxygen Variability During ENSO in the Tropical South Eastern Pacific D. Espinoza-Morriberón et al. 10.3389/fmars.2018.00526
- Biogenic halocarbons from the Peruvian upwelling region as tropospheric halogen source H. Hepach et al. 10.5194/acp-16-12219-2016
- Observed El Niño conditions in the eastern tropical Pacific in October 2015 L. Stramma et al. 10.5194/os-12-861-2016
- Materials for optical oxygen sensing under high hydrostatic pressure I. Dalfen et al. 10.1016/j.snb.2021.131037
24 citations as recorded by crossref.
- Radium-228 as a tracer of dissolved trace element inputs from the Peruvian continental margin V. Sanial et al. 10.1016/j.marchem.2017.05.008
- The flow field of the upper hypoxic eastern tropical North Atlantic oxygen minimum zone L. Stramma et al. 10.5194/os-12-153-2016
- Seasonal variability of the oxygen minimum zone off Peru in a high-resolution regional coupled model O. Vergara et al. 10.5194/bg-13-4389-2016
- Southern Ocean biological impacts on global ocean oxygen D. Keller et al. 10.1002/2016GL069630
- Fore‐arc seafloor unconformities and geology: Insight from 3‐D seismic geomorphology analysis, Peru G. Calvès et al. 10.1002/2017GC007036
- A validation and comparison study of new, compact, versatile optodes for oxygen, pH and carbon dioxide in marine environments E. Fritzsche et al. 10.1016/j.marchem.2018.10.009
- High‐Resolution, Basin‐Scale Simulations Reveal the Impact of Intermediate Zonal Jets on the Atlantic Oxygen Minimum Zones P. Calil 10.1029/2022MS003158
- Spatial variability of bigeye tuna habitat in the Pacific Ocean: Hindcast from a refined ecological niche model C. Zhou et al. 10.1111/fog.12500
- Multiple oxidation state trace elements in suboxic waters off Peru: In situ redox processes and advective/diffusive horizontal transport G. Cutter et al. 10.1016/j.marchem.2018.01.003
- Evidences and drivers of ocean deoxygenation off Peru over recent past decades D. Espinoza-Morriberón et al. 10.1038/s41598-021-99876-8
- Trends and decadal oscillations of oxygen and nutrients at 50 to 300 m depth in the equatorial and North Pacific L. Stramma et al. 10.5194/bg-17-813-2020
- Oxygen Pathways and Budget for the Eastern South Pacific Oxygen Minimum Zone P. Llanillo et al. 10.1002/2017JC013509
- Observed Tracer Fields Structuration by Middepth Zonal Jets in the Tropical Pacific A. Delpech et al. 10.1175/JPO-D-19-0132.1
- The Equatorial Undercurrent and the Oxygen Minimum Zone in the Pacific J. Busecke et al. 10.1029/2019GL082692
- Dimethylated sulfur compounds in the Peruvian upwelling system Y. Zhao et al. 10.5194/bg-19-701-2022
- System controls of coastal and open ocean oxygen depletion G. Pitcher et al. 10.1016/j.pocean.2021.102613
- Transport, properties, and life cycles of mesoscale eddies in the eastern tropical South Pacific R. Czeschel et al. 10.5194/os-14-731-2018
- 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
- Linking diverse nutrient patterns to different water masses within anticyclonic eddies in the upwelling system off Peru Y. José et al. 10.5194/bg-14-1349-2017
- Subthermocline and Intermediate Zonal Currents in the Tropical Pacific Ocean: Paths and Vertical Structure S. Cravatte et al. 10.1175/JPO-D-17-0043.1
- Oxygen Variability During ENSO in the Tropical South Eastern Pacific D. Espinoza-Morriberón et al. 10.3389/fmars.2018.00526
- Biogenic halocarbons from the Peruvian upwelling region as tropospheric halogen source H. Hepach et al. 10.5194/acp-16-12219-2016
- Observed El Niño conditions in the eastern tropical Pacific in October 2015 L. Stramma et al. 10.5194/os-12-861-2016
- Materials for optical oxygen sensing under high hydrostatic pressure I. Dalfen et al. 10.1016/j.snb.2021.131037
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Latest update: 24 Apr 2025
Short summary
Mean circulation in the eastern tropical South Pacific in 50-600m depth is modified by seasonal variability and eddies on the poleward side of the oxygen minimum zone(OMZ). Floats with parking depth at 400m show westward flow in the equatorial channel, sluggish flow in the northern part of the OMZ, and passage of eddies with oxygen anomalies. Net community production rates were estimated from a float. Oxygen decrease in 50-300m depth since 1976 is related to an increase in nitrate and phosphate.
Mean circulation in the eastern tropical South Pacific in 50-600m depth is modified by seasonal...
