Effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy
Accounting for ocean currents in the bulk parameterization of the wind stress might represent a physically more plausible way to force an ocean model than ignoring their effect. We show in this study that using the air-sea velocity difference instead of the atmospheric wind in the wind stress formul...
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ftpubman:oai:pure.mpg.de:item_1920680 2023-08-20T04:08:23+02:00 Effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy Eden, C. Dietze, H. 2009 http://hdl.handle.net/11858/00-001M-0000-0017-CD91-D eng eng info:eu-repo/semantics/altIdentifier/doi/10.1029/2008JC005129 http://hdl.handle.net/11858/00-001M-0000-0017-CD91-D JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS info:eu-repo/semantics/article 2009 ftpubman https://doi.org/10.1029/2008JC005129 2023-08-01T21:52:56Z Accounting for ocean currents in the bulk parameterization of the wind stress might represent a physically more plausible way to force an ocean model than ignoring their effect. We show in this study that using the air-sea velocity difference instead of the atmospheric wind in the wind stress formulation dampens both the near-surface eddy activity and the biotic carbon assimilation in a high-resolution model of the North Atlantic. The former is significant, corresponding to a reduction down to 50% in the tropical Atlantic, while in higher latitudes (in agreement with previous results) the reduction of eddy activity is only around 10%. The effect on biotically mediated new production and air-sea carbon fluxes is, on the other hand, minor. New production is reduced by less than 5% on a basin average, while simulated air-sea CO(2) fluxes are barely affected at all. The model results imply that eddy/wind interaction introduced by accounting for ocean currents in the wind stress formulation does not drive any additional (and hitherto unaccounted) nutrient fluxes to the sunlit surface of the subtropical gyre, as was recently proposed in the literature. Article in Journal/Newspaper North Atlantic Max Planck Society: MPG.PuRe Journal of Geophysical Research 114 C5 |
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Open Polar |
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Max Planck Society: MPG.PuRe |
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ftpubman |
language |
English |
description |
Accounting for ocean currents in the bulk parameterization of the wind stress might represent a physically more plausible way to force an ocean model than ignoring their effect. We show in this study that using the air-sea velocity difference instead of the atmospheric wind in the wind stress formulation dampens both the near-surface eddy activity and the biotic carbon assimilation in a high-resolution model of the North Atlantic. The former is significant, corresponding to a reduction down to 50% in the tropical Atlantic, while in higher latitudes (in agreement with previous results) the reduction of eddy activity is only around 10%. The effect on biotically mediated new production and air-sea carbon fluxes is, on the other hand, minor. New production is reduced by less than 5% on a basin average, while simulated air-sea CO(2) fluxes are barely affected at all. The model results imply that eddy/wind interaction introduced by accounting for ocean currents in the wind stress formulation does not drive any additional (and hitherto unaccounted) nutrient fluxes to the sunlit surface of the subtropical gyre, as was recently proposed in the literature. |
format |
Article in Journal/Newspaper |
author |
Eden, C. Dietze, H. |
spellingShingle |
Eden, C. Dietze, H. Effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy |
author_facet |
Eden, C. Dietze, H. |
author_sort |
Eden, C. |
title |
Effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy |
title_short |
Effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy |
title_full |
Effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy |
title_fullStr |
Effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy |
title_full_unstemmed |
Effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy |
title_sort |
effects of mesoscale eddy/wind interactions on biological new production and eddy kinetic energy |
publishDate |
2009 |
url |
http://hdl.handle.net/11858/00-001M-0000-0017-CD91-D |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2008JC005129 http://hdl.handle.net/11858/00-001M-0000-0017-CD91-D |
op_doi |
https://doi.org/10.1029/2008JC005129 |
container_title |
Journal of Geophysical Research |
container_volume |
114 |
container_issue |
C5 |
_version_ |
1774720627385565184 |