Modelling Tunisia Marine Ecosystems

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Presentation transcript:

Modelling Tunisia Marine Ecosystems INSTITUT NATIONAL DES SCIENCES ET TECHNOLOGIES DE LA MER Modelling Tunisia Marine Ecosystems Ali Harzallah ali.harzallah@instm.rnrt.tn INSTM

Operational Forecasting MODELLING STRATEGY 1997 CLIMATE VARIABILITY ATM. : ECMWF, LMDZ, NCEP Operational Forecasting ATM : INM Mediterranean Sea Off Tunisia coasts Version 2 ZOOM version Small basins Bizerte lagoon Gulf of Tunis Sousse Hamdoun pollutant transport, sediment transport ecology, bacteria,

MEDITERRANEAN SEA MODEL

OBSERVED & SIMULATED CIRCULATION

CURRENT PROFILE AT GIBRALTAR OBSERVED & SIMULATED CURRENT PROFILE AT GIBRALTAR

WATER FLUX THROUGH GIBARALTAR OBSERVED & SIMULATED WATER FLUX THROUGH GIBARALTAR Forcing : P, V, E-P

TUNISIA COASTS MODEL MODEL GRID

MODEL SPIN-UP

SIMULATED SURFACE CURRENTS

CURRENTS IN THE GULF OF GABES , x, y, t : invariées (1)

MODEL - MODB DATA

SATELLITE IMAGE June, 30 – July, 6 2003

MODEL - MODB DATA , x, y, t : invariées (1)

SATELLITE IMAGE MODELE - DONNEES MODB January, 6-11 2003

MODEL – MODB DATA

MODEL - MODB DATA SEA LEVEL February, 17 2004

MESUREMENTS & VALIDATION

MODEL VALIDATION

ZOOM MODEL

ZOOM MODEL , x, y, t : invariées (1)

BIZERTE LAGOON MODEL

BIZERTE LAGOON MODEL NORTH WEST WINDS SURFACE CIRCULATION VERTICAL-AVERAGE CIRCULATION

GULF OF TUNIS MODEL OPERATION BLANCHE 22/09/2000

GULF OF TUNIS MODEL OPERATION BLANCHE 22/09/2000

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