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PhD Defense


Title : Regional and seasonal biogeochemical impacts of high frequency dynamical processes

Date and time : The 01-02-2010 at 10h30

Type : thèse

Université qui délivre le diplôme :

Location : UPMC, Campus Jussieu, 4 place Jussieu, Paris 5e, RdC de l'Atrium, grande salle de visio-conférence (bâtiment rouge)
Members of jury :

Catherine Jeandel (LEGOS), Rapporteur
Laurent Mémery (LEMAR), Rapporteur
Pascale Delecluse (CNRM), Examinateur
Olivier Aumont (LPO), Examinateur
Alain Saliot (UPMC), Président du Jury
Marina Lévy (LOCEAN), Directrice de Thèse

Summary :

In this work, we examine the impact of high frequency dynamical processes (1-90 days ; 10-100 km) on the seasonal cycle and large scale distribution of primary production.

The nature and effect of these high frequency processes are highly dependent on the regional context. To encompass the wide range of these coupling mechanisms, three dynamical regimes typical of low and mid latitudes are considered :

- a coastal upwelling, whose intensity and shelf-offshore exchanges are modulated by an energetic eddy activity;

- an oligotrophic region influenced by wind bursts triggering surface-subsurface exchanges;

- and a spring bloom region dominated by the mixed layer seasonal cycle and modulated by low energy open ocean sub-mesoscale structures.

Contact :
laure.resplandy @ locean-ipsl.upmc.fr
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