Articles | Volume 12, issue 24
https://doi.org/10.5194/bg-12-7519-2015
© 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/bg-12-7519-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
21 Dec 2015
Research article |
| 21 Dec 2015
Coastal upwelling off Peru and Mauritania inferred from helium isotope disequilibrium
R. Steinfeldt
CORRESPONDING AUTHOR
Institute of Environmental Physics, University of Bremen, Bremen, Germany
J. Sültenfuß
Institute of Environmental Physics, University of Bremen, Bremen, Germany
M. Dengler
GEOMAR, Helmholtz Centre for Ocean Research, Kiel, Germany
T. Fischer
GEOMAR, Helmholtz Centre for Ocean Research, Kiel, Germany
Institute of Environmental Physics, University of Bremen, Bremen, Germany
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Cited
18 citations as recorded by crossref.
- Growth and population structure of bloody cockles Senilia senilis at Banc d’Arguin and Bijagós with different environmental conditions and harvesting regimes E. El-Hacen et al. 10.3354/meps14291
- Upwelling velocity and ventilation in the western South China Sea deduced from CFC-12 and SF6 observations W. Wang et al. 10.1357/002224021834614434
- Relationship between SST gradients and upwelling off Peru and Chile: model/satellite data analysis J. Vazquez-Cuervo et al. 10.1080/01431161.2017.1362130
- Seagrass Sensitivity to Collapse Along a Hydrodynamic Gradient: Evidence from a Pristine Subtropical Intertidal Ecosystem E. El-Hacen et al. 10.1007/s10021-018-0319-0
- Particulate organic carbon export fluxes estimates by 234Th238U disequilibrium in the oxygen minimum zone off the Peruvian coast W. Bam et al. 10.1016/j.marchem.2023.104325
- Bacterial degradation activity in the eastern tropical South Pacific oxygen minimum zone M. Maßmig et al. 10.5194/bg-17-215-2020
- Upwelling and primary production during the U.S. GEOTRACES East Pacific Zonal Transect D. Kadko 10.1002/2016GB005554
- 234Th as a tracer of particulate export and remineralization in the southeastern tropical Pacific E. Black et al. 10.1016/j.marchem.2017.06.009
- Sediment Release in the Benguela Upwelling System Dominates Trace Metal Input to the Shelf and Eastern South Atlantic Ocean T. Liu et al. 10.1029/2022GB007466
- Variation and Change of Upwelling Dynamics Detected in the World’s Eastern Boundary Upwelling Systems A. Abrahams et al. 10.3389/fmars.2021.626411
- The Zapiola Anticyclone: A Lagrangian study of its kinematics in an eddy-permitting ocean model W. Weijer et al. 10.1016/j.dsr.2020.103308
- Global Perspectives on Observing Ocean Boundary Current Systems R. Todd et al. 10.3389/fmars.2019.00423
- The organic sea-surface microlayer in the upwelling region off the coast of Peru and potential implications for air–sea exchange processes A. Engel & L. Galgani 10.5194/bg-13-989-2016
- Diapycnal dissolved organic matter supply into the upper Peruvian oxycline A. Loginova et al. 10.5194/bg-16-2033-2019
- Controls on redox-sensitive trace metals in the Mauritanian oxygen minimum zone I. Rapp et al. 10.5194/bg-16-4157-2019
- Effects of <sup>238</sup>U variability and physical transport on water column <sup>234</sup>Th downward fluxes in the coastal upwelling system off Peru R. Xie et al. 10.5194/bg-17-4919-2020
- Coastal upwelling along the Uruguayan coast: Structure, variability and drivers C. de Mello et al. 10.1016/j.jmarsys.2022.103735
- Variation and Change of Upwelling Dynamics Detected in the World’s Eastern Boundary Upwelling Systems A. Abrahams et al. 10.3389/fmars.2021.626411
17 citations as recorded by crossref.
- Growth and population structure of bloody cockles Senilia senilis at Banc d’Arguin and Bijagós with different environmental conditions and harvesting regimes E. El-Hacen et al. 10.3354/meps14291
- Upwelling velocity and ventilation in the western South China Sea deduced from CFC-12 and SF6 observations W. Wang et al. 10.1357/002224021834614434
- Relationship between SST gradients and upwelling off Peru and Chile: model/satellite data analysis J. Vazquez-Cuervo et al. 10.1080/01431161.2017.1362130
- Seagrass Sensitivity to Collapse Along a Hydrodynamic Gradient: Evidence from a Pristine Subtropical Intertidal Ecosystem E. El-Hacen et al. 10.1007/s10021-018-0319-0
- Particulate organic carbon export fluxes estimates by 234Th238U disequilibrium in the oxygen minimum zone off the Peruvian coast W. Bam et al. 10.1016/j.marchem.2023.104325
- Bacterial degradation activity in the eastern tropical South Pacific oxygen minimum zone M. Maßmig et al. 10.5194/bg-17-215-2020
- Upwelling and primary production during the U.S. GEOTRACES East Pacific Zonal Transect D. Kadko 10.1002/2016GB005554
- 234Th as a tracer of particulate export and remineralization in the southeastern tropical Pacific E. Black et al. 10.1016/j.marchem.2017.06.009
- Sediment Release in the Benguela Upwelling System Dominates Trace Metal Input to the Shelf and Eastern South Atlantic Ocean T. Liu et al. 10.1029/2022GB007466
- Variation and Change of Upwelling Dynamics Detected in the World’s Eastern Boundary Upwelling Systems A. Abrahams et al. 10.3389/fmars.2021.626411
- The Zapiola Anticyclone: A Lagrangian study of its kinematics in an eddy-permitting ocean model W. Weijer et al. 10.1016/j.dsr.2020.103308
- Global Perspectives on Observing Ocean Boundary Current Systems R. Todd et al. 10.3389/fmars.2019.00423
- The organic sea-surface microlayer in the upwelling region off the coast of Peru and potential implications for air–sea exchange processes A. Engel & L. Galgani 10.5194/bg-13-989-2016
- Diapycnal dissolved organic matter supply into the upper Peruvian oxycline A. Loginova et al. 10.5194/bg-16-2033-2019
- Controls on redox-sensitive trace metals in the Mauritanian oxygen minimum zone I. Rapp et al. 10.5194/bg-16-4157-2019
- Effects of <sup>238</sup>U variability and physical transport on water column <sup>234</sup>Th downward fluxes in the coastal upwelling system off Peru R. Xie et al. 10.5194/bg-17-4919-2020
- Coastal upwelling along the Uruguayan coast: Structure, variability and drivers C. de Mello et al. 10.1016/j.jmarsys.2022.103735
1 citations as recorded by crossref.
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Latest update: 21 Nov 2024
Short summary
The coastal upwelling systems, e.g. off Peru and Mauritania,
are key regions for the emissions of climate relevant trace gases
from the ocean into the atmosphere. Here, gases and nutrients are
transported into the ocean mixed layer from below. The upwelling velocities,
however, are too small to be measured directly.
We use the enhancement of helium-3 in upwelled
waters to quantify the vertical velocity,
which varies between 1.0 and 2.5 metres per day in the coastal regions.
The coastal upwelling systems, e.g. off Peru and Mauritania,
are key regions for the emissions...
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