1. OPTIMA INCO MPC 1 st MANAGEMENT BOARD MEETING APRIL 1-2 2005, IZMIR TURKEY

2. IDENTIFICATION CASE STUDY AREA : MELIAN river Area: 1140 km 2 Coastline length:100 km Extent: from Ras Sidi Ali Mekki to Ras Fartas Coastline Type: wide and numerous sandy beaches Marine bottom Type: Sandy and muddy

3. IDENTIFICATION

4. DESCRIPTION Main River: MELIAN Area : 293 km² Perimeter: 1245 km River Length : 90 Km State: permanent River Network

5. LOCATION

6. CURVE LINES

7. HYDROGRAPHIC NETWORK Hydrographic network Mejerda channel

8. LAND USE

9. NOMENCLATURE CORINE LAND COVER 1. Artificiel surfaces 1.1. Urban fabric 1.1.1. Continuous urban fabric 1.1.2. Discontinuous urban fabric 1.Artificiel surfaces 2.Agricultural areas 3.Forests and semi-natural areas 4.Wetlands 5.Water bodies 44 Classes

10. METEOROLOGY

12. SECTORIAL WATER DEMAND

13. HYDROGEOLOGY MAIN AQUIFERS

14. WATER SPECIFIC CONSUMPTION Domestic and Touristic Sector Have The Highest Water Specific Consumption

15. WATER BUDGET Positive Balance: Water exportation

16. STRUCTURES DAMS TREATMENT PLANTS

17. STRUCTURES Mountain Lakes

18. SOCIO-ECONOMIC

19. MAIN STAKEHOLDERS Ministry of A.E.H.R Ministry of E.T.P Ministry of Public Health SONEDE DGRE DEGTH CRDA APAL DGATANPE ONAS Regional Agencies Laboratories and units Regional Agencies

20. STAKEHOLDERS More than 50 LOCAL organisations are dealing with water management, equipments, planification These organisations have Regional, National, Sub-National and Local implication

21. CONCLUSION The three latest years : particularly wet and rainfull of about 1500 mm / year Refilling of the table and a better surface water mobilisation Results Potential stock:15 years

22. Dams and collinary lakes Capacity Positive water balance 11th plan (2005): connecting the northern dams with the centre ones (world bank fund)

23. WATER WARE Daily Time Series: Temperatue, Precipitation, Humidity, Evapotranspiration, Water Demand, Water Supply… DAMS data : Characteristics, Geometry… Identification of Water Demand per sector: Demand Nodes. Identification of Water supply: Start Nodes (Surface and ground water). Hysographic curve derived from DEM. On going : WRM Topologic Network