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INSTITUT NATIONAL DES SCIENCES ET TECHNOLOGIES DE LA MER. Modelling Tunisia Marine Ecosystems Ali Harzallah ali.harzallah@instm.rnrt.tn INSTM. Small basins Bizerte lagoon Gulf of Tunis Sousse Hamdoun. pollutant transport, sediment transport ecology, bacteria,.

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Presentation Transcript
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INSTITUT NATIONAL DES SCIENCES

ET TECHNOLOGIES DE LA MER

Modelling Tunisia Marine Ecosystems

Ali Harzallah

ali.harzallah@instm.rnrt.tn

INSTM

slide2

Small basins

Bizerte lagoon

Gulf of Tunis

Sousse Hamdoun

pollutant transport,

sediment transport

ecology, bacteria,

MODELLING STRATEGY

1997

CLIMATE VARIABILITY

ATM. : ECMWF, LMDZ, NCEP

Operational Forecasting

ATM : INM

Mediterranean Sea

Off Tunisia coasts

Version 2

ZOOM version

slide5

OBSERVED & SIMULATED

CURRENT PROFILE AT GIBRALTAR

slide6

OBSERVED & SIMULATED

WATER FLUX THROUGH GIBARALTAR

Forcing : P, V, E-P

slide10

CURRENTS IN THE GULF OF GABES

, x, y, t : invariées (1)

slide12

SATELLITE IMAGE

June, 30 – July, 6 2003

slide13

MODEL - MODB DATA

, x, y, t : invariées (1)

slide14

SATELLITE IMAGE

MODELE - DONNEES MODB

January, 6-11 2003

slide16

MODEL - MODB DATA

SEA LEVEL

February, 17 2004

slide20

ZOOM MODEL

, x, y, t : invariées (1)

slide22

BIZERTE LAGOON MODEL

NORTH WEST WINDS

SURFACE CIRCULATION

VERTICAL-AVERAGE CIRCULATION

slide23

GULF OF TUNIS MODEL

OPERATION BLANCHE 22/09/2000

slide24

GULF OF TUNIS MODEL

OPERATION BLANCHE 22/09/2000

slide25

Next

-Climate change LMDZ –MED

-Zoom Model

-Operational model

-Ecological model

-Assimilation ?