Modelling the spatial and temporal variability of the Cretan Sea ecosystem

TitleModelling the spatial and temporal variability of the Cretan Sea ecosystem
Publication TypeJournal Article
Year of Publication2002
AuthorsPetihakis, G, Triantafyllou G, Allen IJ, Hoteit I, Dounas C
JournalJournal of Marine Systems
Volume36
Issue3-4
Pages173 - 196
Keywords3D ecosystem model, Cretan Sea, Oligotrophic ecosystem
Abstract

The ecosystem function of the oligotrophic Cretan Sea is explored through the development and application of a 3D ecological model. The simulation system comprises of two on-line coupled submodels: the 3D Princeton Ocean Model (POM) and the 1D European Regional Seas Ecosystem Model (ERSEM) adapted to the Cretan Sea. For the tuning and initialisation of the ecosystem parameters, the 1D version of the biogeochemical model is used. After a model spin up period of 10 years to reach a quasi-steady state, the results from an annual simulation are presented. A cost function is used as validation method for the comparison of model results with field data. The estimated annual primary and bacteria production are found to be in the range of the reported values. Simulation results are in good agreement with in situ data illustrating the role of the physical processes in determining the evolution and variability of the ecosystem. © 2002 Elsevier Science B.V. All rights reserved.

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