Ocean Dynamics

, Volume 64, Issue 2, pp 179–207 | Cite as

Seasonal dynamics and stoichiometry of the planktonic community in the NW Mediterranean Sea: a 3D modeling approach

  • Elena Alekseenko
  • Virginie Raybaud
  • Boris Espinasse
  • François Carlotti
  • Bernard Queguiner
  • Bénédicte Thouvenin
  • Pierre Garreau
  • Melika Baklouti
Article
Part of the following topical collections:
  1. Topical Collection on the 16th biennial workshop of the Joint Numerical Sea Modelling Group (JONSMOD) in Brest, France 21-23 May 2012

Abstract

The 3D hydrodynamic Model for Applications at Regional Scale (MARS3D) was coupled with a biogeochemical model developed with the Ecological Modular Mechanistic Modelling (Eco3M) numerical tool. The three-dimensional coupled model was applied to the NW Mediterranean Sea to study the dynamics of the key biogeochemical processes in the area in relation with hydrodynamic constraints. In particular, we focused on the temporal and spatial variability of intracellular contents of living and non-living compartments. The conceptual scheme of the biogeochemical model accounts for the complex food web of the NW Mediterranean Sea (34 state variables), using flexible plankton stoichiometry. We used mechanistic formulations to describe most of the biogeochemical processes involved in the dynamics of marine pelagic ecosystems. Simulations covered the period from September 1, 2009 to January 31, 2011 (17 months), which enabled comparison of model outputs with situ measurements made during two oceanographic cruises in the region (Costeau-4: April 27–May 2, 2010 and Costeau-6: January 23–January 27, 2011).

Keywords

Biogeochemical model Eco3M model MARS3D model Variable stoichiometry Intracellular contents NW Mediterranean Sea Gulf of Lions 

Notes

Acknowledgments

The present research is part of the project COSTAS (“Trophic contaminants in the system: phytoplankton, zooplankton, anchovy, sardine”), funded by the French ANR/CES and IFREMER. One of the objectives of COSTAS was related to the model’s ability to replicate space-temporal dynamics of different functional groups of plankton and associated trophic fluxes. Part of this research is also a contribution to the Labex OT-Med (no. ANR-11-LABX-0061) funded by the French Government “Investissements d’Avenir” program of the French National Research Agency (ANR) through the A*MIDEX project (no ANR-11-IDEX-0001-02). We thank our anonymous reviewers for their helpful comments that allowed us to improve the manuscript.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Elena Alekseenko
    • 1
    • 2
  • Virginie Raybaud
    • 3
    • 4
  • Boris Espinasse
    • 1
    • 2
  • François Carlotti
    • 1
    • 2
  • Bernard Queguiner
    • 1
    • 2
  • Bénédicte Thouvenin
    • 5
  • Pierre Garreau
    • 5
  • Melika Baklouti
    • 1
    • 2
  1. 1.Aix-Marseille Université, Université de Toulon, CNRS/INSU, IRD, MIO, UM 110Marseille, Cedex 09France
  2. 2.Aix-Marseille Université, Université de Toulon, CNRS/INSU, IRD, MIO, UM 110La Garde CedexFrance
  3. 3.Université Lille 1 - Sciences et Technologies (USTL), UMR 8187 LOGLaboratoire d’Océanologie et de GéosciencesWimereuxFrance
  4. 4.CNRS, UMR 8187 LOGLaboratoire d’Océanologie et de GéosciencesWimereuxFrance
  5. 5.IFREMER, Centre de BrestPlouzanéFrance

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