OPTIMA Optimisation for Sustainable Water Resources Management

1. OPTIMAOptimisation for Sustainable Water Resources Management Turkish Case Study: Gediz River 19-20 December 2006 Milano

2. Extent: 17600 km2 Population:1.700.000 Istanbul Gediz Basin Izmir Water Supply: 1100 MCM 647 m3 per capita Water Demand: 886 MCM 521 m3 per capita

3. LAKES, RESERVOIRS and WEIRS

4. Demographic Change Basin Population +1.5 % /year [1 100 000(1970) 1 700 000 (2000)] Urban population +2% /year Rural population -0.7% /year INTERNAL MIGRATION RURAL TO URBAN: RAPID URBANIZATION

5. Manisa Menemen Kemalpasa Industrial Areas • Land Use Change • Urban Areas +2% /year • Industrial Areas +10% /year • 35% increase in urban and industrial areas in 13 YEARS! INCREASING WATER DEMAND: COMPETITION AMONG USERS

6. KEY ISSUES PHYSICAL CONDITIONS: - Watershed Degradation - Water Scarcity - Droughts WATER MANAGEMENT: - Education and Awareness - Institutional Framework: - Institutional Responsibilities - Active Participation

7. KEY ISSUES WATER DEMAND: - Agriculture - Surface Water Demands - Groundwater Demands - Industry: - Surface Water Pollution by Industry WATER SUPPLY: - Quality: - Surface Water Quality - Groundwater Quality - Infrastructures: - Sanitation: Sewers and Treatment

9. KEY ISSUES Supply (61mm)Demand (49.6mm) • Domestic demand0.15 mm/year,2% • Industrial demand0.3 mm/year,10%

10. Discharges W. Q. CLASS IV (acc. Turkish W.Q.C. Standards) “POLLUTED, USE WITH CARE!!” Water Quality • 60% of Surface Water • 30% of Ground Water

11. Stakeholder and Dissemination Activities

13. DISSEMINATION ACTIVITY: SEMINAR ON OPTIMA PROJECT November 29, 2006İzmir • Seminar is carried out by SUMER in DEU Faculty of Engineering building in Tinaztepe Campus. • The stakeholders, participated in II. Stakeholder meeting held in 19-20 April 2006 are re-invited. • Total number of participants was 30 from different institutions. • The outcomes of WRM Modeling and optimisation strategies are presented and discussed.

15. DISSEMINATION ACTIVITY: SEMINAR ON OPTIMA PROJECT November 29, 2006İzmir In scope of the seminar, two questionnaires have been filled by participants. 1. The general objectives and the constraints; 2. The importance levels of the indicators on physical conditions, water management, demand and supply, in other words, the determination of priorities and trends. (Re-evaluation of the results on priorities of issues obtained in previous meeting)

16. QUESTIONAIRE : CONSTRAINTS

17. QUESTIONAIRE : KEY ISSUES AND PRIORITIES PHYSICAL CONDITIONS WATER MANAGEMENT

18. QUESTIONAIRE : KEY ISSUES AND PRIORITIES WATER DEMAND WATER SUPPLY

19. TELEVISION AND RADIO INTERVIEWS, PRESS RELEASES

20. Waterware Studies: Model Topology and Construction

21. Gordes Tributary Buldan Afsar Demirkopru Adala Irrig. Alasehir Irrig. Marmara Lake Ahmetli Irrig. Nif Tributary Kumcay Tributary Wetland Menemen Irrig. Bay of Izmir Topological View of the Baseline Gediz Scenario

22. Gordes Tributary Buldan Afsar Demirkopru Adala Irrig. Alasehir Irrig. Marmara Lake Ahmetli Irrig. Nif Tributary Kumcay Tributary Wetland Menemen Irrig. Bay of Izmir Topological View of the Future Gediz Scenario GORDES RES. YIGITLER RES.

23. RESERVOIRS BULDAN AFSAR DEMIRKOPRU MARMARA Bay of Izmir

24. BULDAN AFSAR DEMIRKOPRU GORDES MARMARA YIGITLER RESERVOIRS

25. Reservoirs: 1) Demirkopru: supplies irrigation water, flood prevention, energy production during the irrigation season. 2) Afsar: provides irrigation water to Alasehir lowlands. 3) Buldan: provides irrigation water to Alasehir lowlands. 4) Marmara Lake 5) Gordes (under construction): supplies domestic water for the city of Izmir in addition to providing irrigation water within the basin. 6) Yigitler (under construction): supplies industrial water for the industrial district of Kemalpasa.

26. IRRIG. DISTRICTS,WEIRS,IND. ZONES and WETLAND Adala Alasehir Irrig. Adala Irrig. Comlekci Ahmetli Ahmetli Irrig. Kemalpasa Ind. Zone Manisa Org. Ind. Zone Emiralem Wetland Menemen Leather Ind. Menemen Irrig. Bay of Izmir

27. River Basin Objects • Industrial Districts: • Manisa Ind. Zone • Kemalpasa Ind. Zone • Memenen Leather Ind. • Diversions: • Adala Weir • Ahmetli Weir • Emiralem Weir • Buldan Weir • Comlekci Weir Irrigation Districts : 1) Adala Left Bank 2) Adala Right Bank 3) Ahmetli Left Bank 4) Ahmetli Right Bank 5) Menemen Left Bank 6) Menemen Right Bank 7) Sarigol 8) Alasehir • Wetland: • Izmir Bird Paradise

29. Yields and Average Farmer’s Prices of Crops

30. SUBCATCHMENTS and SETTLEMENTS Buldan Deliinis Afsar Gordes Alasehir Salihli Golmarmara Medar Yigitler Ahmetli Akhisar Nif Saruhanli Turgutlu Kemalpasa Menemen Bay of Izmir

31. River Basin Objects • Subcatchments: • Demirkopru Upstream • Buldan Upstream • Afsar Upstream • Medar • Nif • Gordes • Yigitler Settlements : 1) Manisa (Gov. Centre) 2) Akhisar 3) Salihli 4) Turgutlu 5) Kemalpasa 6) Menemen 7) Saruhanli 8) Alasehir 9) Izmir 10) Golmarmara 11) Ahmetli • Aquifers: • Salihli-Turgutlu • Menemen • Sarikiz • Alasehir

32. Domestic Demand of Settlements ** Values from Bank of Provinces

33. The aquifers identified in WaterWare (WRM) and their parameters.

34. WaterWare Modeling Studies: Water Budget

35. Four different scenarios for Water Resources Model are considered: • Gediz Baseline with historical year of 1991 (dry year): GEDIZ_BL_1991 • Gediz Baseline with historical year of 1982 (normal year): GEDIZ_BL_1982 • Gediz Future 1991 (with two new reservoirs): gediz future 1991 • Gediz Future 1982 (with two new reservoirs): gediz future 1982

46. Economic Data Compilation

47. BASIC ECO-DATA OF IRRIGATION DISTRICTS

48. BASIC ECO-DATA OF SETTLEMENTS

49. RESERVOIRS INVESTMENTS BULDAN AFSAR DEMIRKOPRU GORDES MARMARA YIGITLER Bay of Izmir

50. RESERVOIRS INVESTMENTS