Modeling the dispersion of harmful an algal bloom in the Thermaikos gulf (nw Aegean sea)

Nikolaidis, G./ Koutitas, Christophoros/ Patoucheas, Dimitrios/ Savvidis, Yiannis/ Πατουχέας, Δημήτριος/ Νικολαΐδης, Γ./ Σαββίδης, Ιωάννης/ Κουτίτας, Χριστόφορος

Institution and School/Department of submitter: ΤΕΙ Θεσσαλονίκης
Keywords: Numerical modeling;Hydrobiological model;Dinophysis;Hydrodynamics;Phytoplankton growth;Μεταφορά ύλης;Harmful algal bloom (ΗΑΒ);Επιβλαβής αύξηση φυκών (ΗΑΒ);Φυτοπλαγκτονική αύξηση;Υδροδυναμική;Αριθμητική μοντελοποίηση;Matter transport;Υδροβιολογικά μοντέλα
Issue Date: 2011
Publisher: Global NEST
Citation: Journal: Global NEST Journal, vol.13, no.2, 2011
International Conference on Environmental Science and Technology, Greece, 2009
Savvidis, I., Patoucheas, D., Nikolaidis, G. and Koutitas, C. (2011). Modeling the Dispersion of Harmeful an Algal Bloom in the Thermaikos Gulf (NW Aegean Sea). Global NEST Journal. 13(2), pp.119-129.
Abstract: Coastal hydrodynamics are directly related to important environmental and ecological issues. This paper focuses on the study of harmful phytoplankton cells’ dispersion, after an episode of an algal bloom, based on mathematical modeling. The case of Thermaikos Gulf was used for the simulation. The necessary hydrodynamic information was obtained by the application of a 2D hydrodynamic model directly coupled with a transport model for the simulation of the harmful cells’ dispersion. The model describes hydrodynamic and biological processes such as advection, dispersion and cell growth and losses. The mechanical processes are described with the mass and momentum conservation equations while the movement of the particles is described with the Random Walk simulation. The biological processes of cell growth rate were described as a function of temperature light and nutrients, and embodied to the simulation as input data for the model runs while the biological losses are simulated by the removal of particles randomly selected from the field. The reliability of the model was tested using data of a real algal bloom episode. Finally the study is completed with the detection of the distribution of the harmful phytoplankton cells in Thermaikos for different wind conditions and different sources of algal bloom.
Description: Δημοσιεύσεις μελών--Παράρτημα--Τμήμα Τεχνολογίας Αλιείας και Υδατοκαλλιεργειών, 2011
ISSN: 2241-777X
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Appears in Collections:Δημοσιεύσεις σε Περιοδικά

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