Articles | Volume 13, issue 20
Biogeosciences, 13, 5865–5881, 2016

Special issue: Hydrography, biogeochemistry, and biology of "dead-zone eddies"...

Biogeosciences, 13, 5865–5881, 2016
Research article
28 Oct 2016
Research article | 28 Oct 2016

Characterization of “dead-zone” eddies in the eastern tropical North Atlantic

Florian Schütte et al.

Related authors

Transport, properties, and life cycles of mesoscale eddies in the eastern tropical South Pacific
Rena Czeschel, Florian Schütte, Robert A. Weller, and Lothar Stramma
Ocean Sci., 14, 731–750,,, 2018
Short summary
Upwelling and isolation in oxygen-depleted anticyclonic modewater eddies and implications for nitrate cycling
Johannes Karstensen, Florian Schütte, Alice Pietri, Gerd Krahmann, Björn Fiedler, Damian Grundle, Helena Hauss, Arne Körtzinger, Carolin R. Löscher, Pierre Testor, Nuno Vieira, and Martin Visbeck
Biogeosciences, 14, 2167–2181,,, 2017
Short summary
Oxygen utilization and downward carbon flux in an oxygen-depleted eddy in the eastern tropical North Atlantic
Björn Fiedler, Damian S. Grundle, Florian Schütte, Johannes Karstensen, Carolin R. Löscher, Helena Hauss, Hannes Wagner, Alexandra Loginova, Rainer Kiko, Péricles Silva, Toste Tanhua, and Arne Körtzinger
Biogeosciences, 13, 5633–5647,,, 2016
Short summary
Occurrence and characteristics of mesoscale eddies in the tropical northeastern Atlantic Ocean
Florian Schütte, Peter Brandt, and Johannes Karstensen
Ocean Sci., 12, 663–685,,, 2016
Short summary
Dead zone or oasis in the open ocean? Zooplankton distribution and migration in low-oxygen modewater eddies
Helena Hauss, Svenja Christiansen, Florian Schütte, Rainer Kiko, Miryam Edvam Lima, Elizandro Rodrigues, Johannes Karstensen, Carolin R. Löscher, Arne Körtzinger, and Björn Fiedler
Biogeosciences, 13, 1977–1989,,, 2016
Short summary

Related subject area

Biogeophysics: Physical - Biological Coupling
Modelling submerged biofouled microplastics and their vertical trajectories
Reint Fischer, Delphine Lobelle, Merel Kooi, Albert Koelmans, Victor Onink, Charlotte Laufkötter, Linda Amaral-Zettler, Andrew Yool, and Erik van Sebille
Biogeosciences, 19, 2211–2234,,, 2022
Short summary
A Bayesian sequential updating approach to predict phenology of silage maize
Michelle Viswanathan, Tobias K. D. Weber, Sebastian Gayler, Juliane Mai, and Thilo Streck
Biogeosciences, 19, 2187–2209,,, 2022
Short summary
Using an oceanographic model to investigate the mystery of the missing puerulus
Jessica Kolbusz, Tim Langlois, Charitha Pattiaratchi, and Simon de Lestang
Biogeosciences, 19, 517–539,,, 2022
Short summary
Climate pathways behind phytoplankton-induced atmospheric warming
Rémy Asselot, Frank Lunkeit, Philip B. Holden, and Inga Hense
Biogeosciences, 19, 223–239,,, 2022
Short summary
Impact of moderately energetic fine-scale dynamics on the phytoplankton community structure in the western Mediterranean Sea
Roxane Tzortzis, Andrea M. Doglioli, Stéphanie Barrillon, Anne A. Petrenko, Francesco d'Ovidio, Lloyd Izard, Melilotus Thyssen, Ananda Pascual, Bàrbara Barceló-Llull, Frédéric Cyr, Marc Tedetti, Nagib Bhairy, Pierre Garreau, Franck Dumas, and Gérald Gregori
Biogeosciences, 18, 6455–6477,,, 2021
Short summary

Cited articles

Altabet, M. A., Ryabenko, E., Stramma, L., Wallace, D. W. R., Frank, M., Grasse, P., and Lavik, G.: An eddy-stimulated hotspot for fixed nitrogen-loss from the Peru oxygen minimum zone, Biogeosciences, 9, 4897–4908,, 2012.
Argo Data Management Team: Argo float data, available at:, last access: 1 January 2016.
Armi, L. and Zenk, W.: Large Lenses of Highly Saline Mediterranean Water, J. Phys. Oceanogr., 14, 1560–1576, 1984.
Bakun, A.: Global Climate Change and Intensification of Coastal Ocean Upwelling, Science, 247, 198–201, 1990.
Bower, A. S., Armi, L., and Ambar, I.: Direct evidence of meddy formation off the southwestern coast of Portugal, Deep-Sea Res. Pt. I, 42, 1621–1630, 1995.
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.
Final-revised paper