Articles | Volume 13, issue 20
https://doi.org/10.5194/bg-13-5865-2016
© 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-13-5865-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
28 Oct 2016
Research article |
| 28 Oct 2016
Characterization of “dead-zone” eddies in the eastern tropical North Atlantic
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Johannes Karstensen
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Gerd Krahmann
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Helena Hauss
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Björn Fiedler
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Peter Brandt
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Christian-Albrechts-Universität zu Kiel, Kiel, Germany
Martin Visbeck
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Christian-Albrechts-Universität zu Kiel, Kiel, Germany
Arne Körtzinger
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Christian-Albrechts-Universität zu Kiel, Kiel, Germany
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- Subsurface Fine‐Scale Patterns in an Anticyclonic Eddy Off Cap‐Vert Peninsula Observed From Glider Measurements N. Kolodziejczyk et al. 10.1029/2018JC014135
- Remote and local drivers of oxygen and nitrate variability in the shallow oxygen minimum zone off Mauritania in June 2014 S. Thomsen et al. 10.5194/bg-16-979-2019
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- Dead zone or oasis in the open ocean? Zooplankton distribution and migration in low-oxygen modewater eddies H. Hauss et al. 10.5194/bg-13-1977-2016
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40 citations as recorded by crossref.
- Islands as eddy transformation and generation hotspots: Cabo Verde case study C. Cardoso et al. 10.1016/j.pocean.2020.102271
- Zooplankton-Mediated Fluxes in the Eastern Tropical North Atlantic R. Kiko et al. 10.3389/fmars.2020.00358
- Generation Mechanisms of Mesoscale Eddies in the Mauritanian Upwelling Region A. Dilmahamod et al. 10.1175/JPO-D-21-0092.1
- Distribution of nitrogen-cycling genes in an oxygen-depleted cyclonic eddy in the Alfonso Basin, Gulf of California R. Ramos-de la Cruz et al. 10.1071/MF20074
- Mesoscale contribution to the long-range offshore transport of organic carbon from the Canary Upwelling System to the open North Atlantic E. Lovecchio et al. 10.5194/bg-15-5061-2018
- Transport, properties, and life cycles of mesoscale eddies in the eastern tropical South Pacific R. Czeschel et al. 10.5194/os-14-731-2018
- OceanGliders: A Component of the Integrated GOOS P. Testor et al. 10.3389/fmars.2019.00422
- Oxygen Variability in the Offshore Northern Benguela Upwelling System From Glider Data E. Lovecchio et al. 10.1029/2022JC019063
- Low oxygen eddies in the eastern tropical North Atlantic: Implications for N2O cycling D. Grundle et al. 10.1038/s41598-017-04745-y
- The carbonate system and air-sea CO2 fluxes in coastal and open-ocean waters of the Macaronesia D. Curbelo-Hernández et al. 10.3389/fmars.2023.1094250
- Upwelling and isolation in oxygen-depleted anticyclonic modewater eddies and implications for nitrate cycling J. Karstensen et al. 10.5194/bg-14-2167-2017
- Subsurface Fine‐Scale Patterns in an Anticyclonic Eddy Off Cap‐Vert Peninsula Observed From Glider Measurements N. Kolodziejczyk et al. 10.1029/2018JC014135
- Remote and local drivers of oxygen and nitrate variability in the shallow oxygen minimum zone off Mauritania in June 2014 S. Thomsen et al. 10.5194/bg-16-979-2019
- Seasonal flux patterns and carbon transport from low-oxygen eddies at the Cape Verde Ocean Observatory: lessons learned from a time series sediment trap study (2009–2016) G. Fischer et al. 10.5194/bg-18-6479-2021
- Variability of Dissolved Oxygen in the Bottom Layer of the Southern Senegalese Shelf A. Tall et al. 10.1029/2020JC016854
- Quantifying the Contribution of Ocean Mesoscale Eddies to Low Oxygen Extreme Events J. Atkins et al. 10.1029/2022GL098672
- Biogeochemistry of greenhouse gases in coastal upwelling systems: Processes and sensitivity to global change Z. Lachkar et al. 10.1525/elementa.2023.00088
- Distribution, associations and role in the biological carbon pump of Pyrosoma atlanticum (Tunicata, Thaliacea) off Cabo Verde, NE Atlantic V. Stenvers et al. 10.1038/s41598-021-88208-5
- Quantification of dissolved oxygen dynamics in a semi-enclosed sea – A comparison of observational platforms D. Meyer et al. 10.1016/j.csr.2018.09.011
- H2S events in the Peruvian oxygen minimum zone facilitate enhanced dissolved Fe concentrations C. Schlosser et al. 10.1038/s41598-018-30580-w
- Biogeochemical extremes and compound events in the ocean N. Gruber et al. 10.1038/s41586-021-03981-7
- Strong Habitat Compression by Extreme Shoaling Events of Hypoxic Waters in the Eastern Pacific E. Köhn et al. 10.1029/2022JC018429
- Biogeochemical Role of Subsurface Coherent Eddies in the Ocean: Tracer Cannonballs, Hypoxic Storms, and Microbial Stewpots? I. Frenger et al. 10.1002/2017GB005743
- System controls of coastal and open ocean oxygen depletion G. Pitcher et al. 10.1016/j.pocean.2021.102613
- Seasonal Modulation of Dissolved Oxygen in the Equatorial Pacific by Tropical Instability Vortices Y. Eddebbar et al. 10.1029/2021JC017567
- Subsurface mesoscale eddies in the east of the Philippines: three-dimensional biogeochemical structures and transports Y. Ding et al. 10.3389/fmars.2024.1439787
- Decadal oxygen change in the eastern tropical North Atlantic J. Hahn et al. 10.5194/os-13-551-2017
- Dynamical Characterization of a Low Oxygen Submesoscale Coherent Vortex in the Eastern North Atlantic Ocean A. Pietri & J. Karstensen 10.1002/2017JC013177
- The Heat and Carbon Characteristics of Modeled Mesoscale Eddies in the South–East Atlantic Ocean T. Smith et al. 10.1029/2023JC020337
- Reviews and syntheses: Present, past, and future of the oxygen minimum zone in the northern Indian Ocean T. Rixen et al. 10.5194/bg-17-6051-2020
- Unraveling the distribution patterns of bacterioplankton in a mesoscale cyclonic eddy confined to an oxygen-depleted basin S. Pajares 10.3354/ame01975
- Characterizing Mesoscale Eddies of Eastern Upwelling Origins in the Atlantic Ocean and Their Role in Offshore Transport A. Ioannou et al. 10.3389/fmars.2022.835260
- The Tropical Atlantic Observing System G. Foltz et al. 10.3389/fmars.2019.00206
- Particulate matter flux interception in oceanic mesoscale eddies by the polychaete Poeobius sp. S. Christiansen et al. 10.1002/lno.10926
- Comparing a Multivariate Global Ocean State Estimate With High-Resolution in Situ Data: An Anticyclonic Intrathermocline Eddy Near the Canary Islands B. Barceló-Llull et al. 10.3389/fmars.2018.00066
- PIRATA: A Sustained Observing System for Tropical Atlantic Climate Research and Forecasting B. Bourlès et al. 10.1029/2018EA000428
- Organic Matter Supply and Utilization in Oxygen Minimum Zones A. Engel et al. 10.1146/annurev-marine-041921-090849
- Using Argo Floats to Characterize Altimetry Products: A Study of Eddy-Induced Subsurface Oxygen Anomalies in the Black Sea A. Capet et al. 10.3389/fmars.2022.875653
- First Evidence of Anoxia and Nitrogen Loss in the Southern Canary Upwelling System E. Machu et al. 10.1029/2018GL079622
- Global Assessment of Mesoscale Eddies with TOEddies: Comparison Between Multiple Datasets and Colocation with In Situ Measurements A. Ioannou et al. 10.3390/rs16224336
5 citations as recorded by crossref.
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- Hidden biosphere in an oxygen-deficient Atlantic open-ocean eddy: future implications of ocean deoxygenation on primary production in the eastern tropical North Atlantic C. Löscher et al. 10.5194/bg-12-7467-2015
- Dead zone or oasis in the open ocean? Zooplankton distribution and migration in low-oxygen modewater eddies H. Hauss et al. 10.5194/bg-13-1977-2016
- Eddies as trigger for diatom productivity in the open-ocean Northeast Atlantic O. Romero et al. 10.1016/j.pocean.2016.07.011
- Bathypelagic particle flux signatures from a suboxic eddy in the oligotrophic tropical North Atlantic: production, sedimentation and preservation G. Fischer et al. 10.5194/bg-13-3203-2016
Saved (preprint)
Latest update: 14 Dec 2024
Short summary
Mesoscale eddies with very low–oxygen concentrations at shallow depth have been recently discovered in the eastern tropical North Atlantic. Our analysis shows that low oxygen eddies occur more frequent than expected and are found even close to the equator (8° N). From budget calculations we show that an oxygen reduction of 7 µmol/kg in the depth range of 50–150 m in the eastern tropical North Atlantic (peak reduction is 16 µmol/kg at 100 m depth) can be associated with the dispersion of these eddies.
Mesoscale eddies with very low–oxygen concentrations at shallow depth have been recently...
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