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| Lehucher, Pm; Beautier, L; Chartier, M; Martel, F; Mortier, L; Brehmer, P; Millot, C; Alberola, C; Benzhora, M; Taupierletage, I; Dhieres, Gc; Didelle, H; Gleizon, P; Obaton, D; Crepon, M; Herbaut, C; Madec, G; Speich, S; Nihoul, J; Beckers, Jm; Brasseur, P; Deleersnijder, E; Djenidi, S; Font, J; Castellon, A; Garcialadona, E; Lopezgarcia, Mj; Manriquez, M; Maso, M; Salat, J; Tintore, J; Alonso, S; Gomis, D; Viudez, A; Astraldi, M; Bacciola, D; Borghini, M; Dellamico, F; Galli, C; Lazzoni, E; Gasparini, Gp; Sparnocchia, S; Harzallah, A. |
| The present paper describes the major results obtained from 1989 to 1992 by the EUROMODEL group in studying the circulation in the Western Mediterranean Sea. Particular emphasis has been given to the physical processes responsible for seasonal and mesoscale variabilities. Observations (in situ and satellite), together with theoretical, physical and numerical models, have been widely used in the course of these studies. Attention has been focused on the dynamics of the northern basin (deep water formation, dynamics of the Northern Mediterranean Current, circulation and shelf/slope interaction in the Balearic Sea) and of the southern basin (Alboran Sea circulation, instabilities of the Algerian Current). The straits dynamics have been studied with particular... |
| Tipo: Text |
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| Ano: 1995 |
URL: http://archimer.ifremer.fr/doc/00097/20776/18519.pdf |
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| Jauzein, Cecile; Collos, Yves; Garces, E; Vila, M; Maso, M. |
| In batch cultures of four Mediterranean strains (from France, Italy, and Spain) of Alexandrium catenella (Whedon et Kof.) Balech growing on a daily light cycle, ammonium and urea uptake were estimated by the N-15 tracer technique. Ammonium uptake could be described by Michaelis-Menten kinetics along a substrate gradient of 0.1-10 mu gat N.L-1 for the four strains, while two different patterns were observed for urea uptake with Michaelis-Menten kinetics for one strain and linear kinetics for the others. In all cases, an increase in uptake rates with time was noted over the daylight period. This trend led to a net increase in the maximum uptake rate (V-max; for saturable kinetics) and in the initial slope alpha. For ammonium, V-max increased by a factor of... |
| Tipo: Text |
Palavras-chave: Urea; Uptake kinetics; Temporal variability; Ammonium release; Ammonium; Alexandrium catenella. |
| Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/2008/publication-6416.pdf |
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