the Creative Commons Attribution 3.0 License. Ocean Science Influence of Rossby waves on primary production from a coupled physical-biogeochemical model in the North Atlantic Ocean
Abstract. Rossby waves appear to have a clear signature on surface chlorophyll concentrations which can be explained by a combination of vertical and horizontal mechanisms. In this study, we investigate the role of the different physical processes in the north Atlantic to explain the surface chloro-...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.659.4077 2023-05-15T17:30:39+02:00 the Creative Commons Attribution 3.0 License. Ocean Science Influence of Rossby waves on primary production from a coupled physical-biogeochemical model in the North Atlantic Ocean G. Charria I. Dadou P. Cipollini The Pennsylvania State University CiteSeerX Archives 2007 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.659.4077 http://www.ocean-sci.net/4/199/2008/os-4-199-2008.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.659.4077 http://www.ocean-sci.net/4/199/2008/os-4-199-2008.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.ocean-sci.net/4/199/2008/os-4-199-2008.pdf text 2007 ftciteseerx 2016-01-08T16:46:04Z Abstract. Rossby waves appear to have a clear signature on surface chlorophyll concentrations which can be explained by a combination of vertical and horizontal mechanisms. In this study, we investigate the role of the different physical processes in the north Atlantic to explain the surface chloro-phyll signatures and the consequences on primary produc-tion, using a 3-D coupled physical/biogeochemical model for the year 1998. The analysis at 20 given latitudes, mainly located in the subtropical gyre, where Rossby waves are strongly correlated with a surface chlorophyll signature, shows the important contribution of horizontal advection and of vertical advec-tion and diffusion of inorganic dissolved nitrogen. The main control mechanism differs according to the biogeochemical background conditions of the area. The surface chlorophyll anomalies, induced by these phys-ical mechanisms, have an impact on primary production. We estimate that Rossby waves induce, locally in space and time, increases (generally associated with the chlorophyll wave crest) and decreases (generally associated with the chloro-phyll wave trough) in primary production, ∼±20 % of the estimated background primary production. This symmetri-cal situation suggests a net weak effect of Rossby waves on primary production. 1 Text North Atlantic Unknown |
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Abstract. Rossby waves appear to have a clear signature on surface chlorophyll concentrations which can be explained by a combination of vertical and horizontal mechanisms. In this study, we investigate the role of the different physical processes in the north Atlantic to explain the surface chloro-phyll signatures and the consequences on primary produc-tion, using a 3-D coupled physical/biogeochemical model for the year 1998. The analysis at 20 given latitudes, mainly located in the subtropical gyre, where Rossby waves are strongly correlated with a surface chlorophyll signature, shows the important contribution of horizontal advection and of vertical advec-tion and diffusion of inorganic dissolved nitrogen. The main control mechanism differs according to the biogeochemical background conditions of the area. The surface chlorophyll anomalies, induced by these phys-ical mechanisms, have an impact on primary production. We estimate that Rossby waves induce, locally in space and time, increases (generally associated with the chlorophyll wave crest) and decreases (generally associated with the chloro-phyll wave trough) in primary production, ∼±20 % of the estimated background primary production. This symmetri-cal situation suggests a net weak effect of Rossby waves on primary production. 1 |
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The Pennsylvania State University CiteSeerX Archives |
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Text |
author |
G. Charria I. Dadou P. Cipollini |
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G. Charria I. Dadou P. Cipollini the Creative Commons Attribution 3.0 License. Ocean Science Influence of Rossby waves on primary production from a coupled physical-biogeochemical model in the North Atlantic Ocean |
author_facet |
G. Charria I. Dadou P. Cipollini |
author_sort |
G. Charria |
title |
the Creative Commons Attribution 3.0 License. Ocean Science Influence of Rossby waves on primary production from a coupled physical-biogeochemical model in the North Atlantic Ocean |
title_short |
the Creative Commons Attribution 3.0 License. Ocean Science Influence of Rossby waves on primary production from a coupled physical-biogeochemical model in the North Atlantic Ocean |
title_full |
the Creative Commons Attribution 3.0 License. Ocean Science Influence of Rossby waves on primary production from a coupled physical-biogeochemical model in the North Atlantic Ocean |
title_fullStr |
the Creative Commons Attribution 3.0 License. Ocean Science Influence of Rossby waves on primary production from a coupled physical-biogeochemical model in the North Atlantic Ocean |
title_full_unstemmed |
the Creative Commons Attribution 3.0 License. Ocean Science Influence of Rossby waves on primary production from a coupled physical-biogeochemical model in the North Atlantic Ocean |
title_sort |
creative commons attribution 3.0 license. ocean science influence of rossby waves on primary production from a coupled physical-biogeochemical model in the north atlantic ocean |
publishDate |
2007 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.659.4077 http://www.ocean-sci.net/4/199/2008/os-4-199-2008.pdf |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
http://www.ocean-sci.net/4/199/2008/os-4-199-2008.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.659.4077 http://www.ocean-sci.net/4/199/2008/os-4-199-2008.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766127516323414016 |