Articles | Volume 18, issue 12
https://doi.org/10.5194/bg-18-3605-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-3605-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
17 Jun 2021
Research article |
| 17 Jun 2021
| 17 Jun 2021
The fate of upwelled nitrate off Peru shaped by submesoscale filaments and fronts
Jaard Hauschildt
CORRESPONDING AUTHOR
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Soeren Thomsen
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Laboratoire d'Océanographie et du Climat, Expérimentations et Approches Numériques (LOCEAN), Institut de Recherche pour le Développement (IRD), Institut Pierre-Simon Laplace (IPSL), Université Pierre et Marie Curie (UPMC), Paris, France
Vincent Echevin
Laboratoire d'Océanographie et du Climat, Expérimentations et Approches Numériques (LOCEAN), Institut de Recherche pour le Développement (IRD), Institut Pierre-Simon Laplace (IPSL), Université Pierre et Marie Curie (UPMC), Paris, France
Andreas Oschlies
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Yonss Saranga José
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Gerd Krahmann
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Laura A. Bristow
Department of Biogeochemistry, Max Planck Institute for Marine Microbiology, Bremen,
Germany
Department of Biology/Nordcee, University of Southern Denmark (SDU), Odense, Denmark
Gaute Lavik
Department of Biogeochemistry, Max Planck Institute for Marine Microbiology, Bremen,
Germany
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Cited
11 citations as recorded by crossref.
- Biogeochemistry of greenhouse gases in coastal upwelling systems: Processes and sensitivity to global change Z. Lachkar et al. 10.1525/elementa.2023.00088
- Satellite data reveal earlier and stronger phytoplankton blooms over fronts in the Gulf Stream region C. Haëck et al. 10.5194/bg-20-1741-2023
- Organic Matter Supply and Utilization in Oxygen Minimum Zones A. Engel et al. 10.1146/annurev-marine-041921-090849
- Coastal N2 Fixation Rates Coincide Spatially With Nitrogen Loss in the Humboldt Upwelling System off Peru L. Kittu et al. 10.1029/2022GB007578
- Mesoscale Eddy Variability Enhances Fixed Nitrogen Loss and Suppresses Nitrous Oxide Production in Oxygen Minimum Zones D. McCoy et al. 10.1029/2023GL106179
- The Impact of Fine-Scale Currents on Biogeochemical Cycles in a Changing Ocean M. Lévy et al. 10.1146/annurev-marine-020723-020531
- Examining the Ability of CMIP6 Models to Reproduce the Upwelling SST Imprint in the Eastern Boundary Upwelling Systems R. Varela et al. 10.3390/jmse10121970
- Bottom–up propagation of synoptic wind intensification and relaxation in the planktonic ecosystem of the South Senegalese Upwelling Sector P. Chabert et al. 10.1093/plankt/fbae054
- Projected thermal stress and regional vulnerability of Manila clam production in Korean waters under climate change scenarios Y. Jung et al. 10.1016/j.ecss.2025.109209
- Impact of Chlorophyll Shading on the Peruvian Upwelling System V. Echevin et al. 10.1029/2021GL094429
- Influence of intraseasonal eastern boundary circulation variability on hydrography and biogeochemistry off Peru J. Lüdke et al. 10.5194/os-16-1347-2020
9 citations as recorded by crossref.
- Biogeochemistry of greenhouse gases in coastal upwelling systems: Processes and sensitivity to global change Z. Lachkar et al. 10.1525/elementa.2023.00088
- Satellite data reveal earlier and stronger phytoplankton blooms over fronts in the Gulf Stream region C. Haëck et al. 10.5194/bg-20-1741-2023
- Organic Matter Supply and Utilization in Oxygen Minimum Zones A. Engel et al. 10.1146/annurev-marine-041921-090849
- Coastal N2 Fixation Rates Coincide Spatially With Nitrogen Loss in the Humboldt Upwelling System off Peru L. Kittu et al. 10.1029/2022GB007578
- Mesoscale Eddy Variability Enhances Fixed Nitrogen Loss and Suppresses Nitrous Oxide Production in Oxygen Minimum Zones D. McCoy et al. 10.1029/2023GL106179
- The Impact of Fine-Scale Currents on Biogeochemical Cycles in a Changing Ocean M. Lévy et al. 10.1146/annurev-marine-020723-020531
- Examining the Ability of CMIP6 Models to Reproduce the Upwelling SST Imprint in the Eastern Boundary Upwelling Systems R. Varela et al. 10.3390/jmse10121970
- Bottom–up propagation of synoptic wind intensification and relaxation in the planktonic ecosystem of the South Senegalese Upwelling Sector P. Chabert et al. 10.1093/plankt/fbae054
- Projected thermal stress and regional vulnerability of Manila clam production in Korean waters under climate change scenarios Y. Jung et al. 10.1016/j.ecss.2025.109209
Latest update: 26 Jul 2025
Short summary
In this paper we quantify the subduction of upwelled nitrate due to physical processes on the order of several kilometers in the coastal upwelling off Peru and its effect on primary production. We also compare the prepresentation of these processes in a high-resolution simulation (~2.5 km) with a more coarsely resolved simulation (~12 km). To do this, we combine high-resolution shipboard observations of physical and biogeochemical parameters with a complex biogeochemical model configuration.
In this paper we quantify the subduction of upwelled nitrate due to physical processes on the...
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