Data/hora: 05/06/2024 00:17:40

Provedor de dados: | 5
País: | France
Título: | Observing mixed layer depth, nitrate and chlorophyll concentrations in the northwestern Mediterranean: A combined satellite and NO  3  profiling floats experiment
Autores: | D'Ortenzio, Fabrizio; Lavigne, Heloise; Besson, Florent; Claustre, Herve; Coppola, Laurent; Garcia, Nicole; Laes-huon, Agathe; Le Reste, Serge; Malarde, Damien; Migon, Christophe; Morin, Pascal; Mortier, Laurent; Poteau, Antoine; Prieur, Louis; Raimbault, Patrick; Testor, Pierre.
Data: | 2014-09-28
Ano: | 2014
Palavras-chave: | Bio-Argo; Mediterranean; Mixed layer; Bloom onset; Nitrate concentration; Ocean color satellite.
Resumo: | Two profiling floats, equipped with nitrate concentration sensors were deployed in the northwestern Mediterranean from summer 2012 to summer 2013. Satellite ocean color data were extracted to evaluate surface chlorophyll concentration at float locations. Time series of mixed layer depths and nitrate and chlorophyll concentrations were analyzed to characterize the interplay between the physical-chemical and biological dynamics in the area. Deep convection (mixed layer depth &gt; 1000 m) was observed in January–February, although high-nitrate surface concentrations could be already observed in December. Chlorophyll increase is observed since December, although high values were observed only in March. The early nitrate availability in subsurface layers, which is likely due to the permanent cyclonic circulation of the area, appears to drive the bloom onset. The additional nitrate supply associated to the deep convection events, although strengthening the overall nitrate uptake, seems decoupled of the December increase of chlorophyll.
Tipo: | Text
Idioma: | Inglês

Identificador:

http://archimer.ifremer.fr/doc/00211/32225/30673.pdf

http://archimer.ifremer.fr/doc/00211/32225/30674.pdf

http://archimer.ifremer.fr/doc/00211/32225/30675.pdf

http://archimer.ifremer.fr/doc/00211/32225/30676.pdf

http://archimer.ifremer.fr/doc/00211/32225/30677.pdf

http://archimer.ifremer.fr/doc/00211/32225/30678.pdf

http://archimer.ifremer.fr/doc/00211/32225/30679.pdf

http://archimer.ifremer.fr/doc/00211/32225/30680.pdf

DOI:10.1002/2014GL061020

http://archimer.ifremer.fr/doc/00211/32225/

Editor: | Amer Geophysical Union
Relação: | info:eu-repo/grantAgreement/EC/FP7/246777/EU//REMOCEAN
Formato: | application/pdf
Fonte: | Geophysical Research Letters (0094-8276) (Amer Geophysical Union), 2014-09-28 , Vol. 41 , N. 18 , P. 6443-6451

Fonte:

2014. American Geophysical Union. All Rights Reserved

info:eu-repo/semantics/openAccess

restricted use