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

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Presentation on theme: "OPTIMA OPTIMA Optimisation for Sustainable Water Resources Management Turkish Case Study: Gediz River 19-20 December 2006 Milano."— Presentation transcript:

1 OPTIMA OPTIMA Optimisation for Sustainable Water Resources Management Turkish Case Study: Gediz River December 2006 Milano

2 OPTIMA Gediz Basin Izmir Istanbul Extent: km 2 Current water demand Agriculture 39 mm (695 MCM) Industry 3 mm (54 MCM) Environ.W etland 0.2 mm (3.6 MCM) Domestic 7.4 mm (133 MCM Current water supply Surface 52 mm (940 MCM) Ground 9 mm (160 MCM) Treated Not Available Rainfall 700 mm Water Supply: 1100 MCM 647 m 3 per capita Water Demand: 886 MCM 521 m 3 per capita Population:

3 OPTIMA LAKES, RESERVOIRS and WEIRS

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

5 OPTIMA Land Use Change UUrban Areas+2% /year IIndustrial Areas+10% /year 335% increase in urban and industrial areas in 13 YEARS! INCREASING WATER DEMAND: COMPETITION AMONG USERS Industrial Areas Kemalpasa Manisa Menemen

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

7 OPTIMA 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 KEY ISSUES

8 OPTIMA

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

10 OPTIMA Discharges Water Quality  60% ofSurface Water  30%ofGround Water W. Q. CLASS IV (acc. Turkish W.Q.C. Standards) “POLLUTED, USE WITH CARE!!”

11 OPTIMA Stakeholder and Dissemination Activities

12 OPTIMA

13 Seminar is carried out by SUMER in DEU Faculty of Engineering building in Tinaztepe Campus. The stakeholders, participated in II. Stakeholder meeting held in 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. DISSEMINATION ACTIVITY: SEMINAR ON OPTIMA PROJECT November 29, 2006 İzmir

14 OPTIMA INSTITUTIONTYPE Soil and Water Resources Research Institute (2) Governmental Research Izmir Bird Paradise Protection and Development Union (1) NGO DSI 2 nd Directorate (5)Governmental Planning GEMA (2)NGO Aegean Forest Foundation (1)NGO Aegean Forestry Research Institute (4)Governmental Research THAEM (Agro-hydrology Research Center) (3)Governmental Research IZSU (4)Municipality Province Agricultural Directorate (2)Governmental Research Province Directorate of Environment and Forestry (1) Governmental Monitoring DEU (5)University

15 OPTIMA 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) DISSEMINATION ACTIVITY: SEMINAR ON OPTIMA PROJECT November 29, 2006 İzmir

16 OPTIMA CONCEPT MIN & MAX VALUE DSI Point of view Overall Supply / Demand ratio> %> 90 % Reliability of supply (average over all nodes/days) > %> 90 % Benefit / Cost ratio> 0.8-2> 1.5 Economical efficiency (direct) €/ m €/ m 3 Economical efficiency (indirect) €/ m €/ m 3 Net benefit (direct or indirect) €/ ca1000 €/ ca Cost of water (direct) €/ m €/ m 3 Cost of water (indirect) €/ m €/ m 3 QUESTIONAIRE : CONSTRAINTS

17 OPTIMA PHYSICAL CONDITIONS 1WATERSHED DEGRADATION 2GROUNDWATER QUANTITY, QUALITY 3WATER SCARCITY 4DROUGHTS WATER MANAGEMENT 1EDUCATION AND AWARENESS 2Institutional responsibilities 3Active participation 4Obsolete technologies, maintenance QUESTIONAIRE : KEY ISSUES AND PRIORITIES

18 OPTIMA WATER DEMAND 1Surface water demands 2Groundwater demands 3Surface water pollution by agriculture 4Water technologies (irrigation efficiency) WATER SUPPLY 1Groundwater quality 2Surface water quality 3Limits to agricultural use 4Abstraction, reservoirs, water harvesting QUESTIONAIRE : KEY ISSUES AND PRIORITIES

19 OPTIMA TELEVISION AND RADIO INTERVIEWS, PRESS RELEASES

20 OPTIMA Waterware Studies: Model Topology and Construction

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

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

23 OPTIMA RESERVOIRS AFSAR BULDAN MARMARA DEMIRKOPRU Bay of Izmir

24 OPTIMA GORDES YIGITLER AFSAR BULDAN MARMARA DEMIRKOPRU RESERVOIRS

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

27 OPTIMA River Basin Objects 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 Diversions: 1)Adala Weir 2)Ahmetli Weir 3)Emiralem Weir 4)Buldan Weir 5)Comlekci Weir Industrial Districts: 1)Manisa Ind. Zone 2)Kemalpasa Ind. Zone 3)Memenen Leather Ind. Wetland: 1)Izmir Bird Paradise

28 OPTIMA Irrigation District Area (ha) (min-max) Cotton (%) Maize (%) Grape (%) Vegetables (%) Fruits (%) Cereals (%) Adala Left Bank Irr Adala Right Bank Irr Ahmetli Left Bank Irr Ahmetli Right Bank Irr Menemen Left Bank Irr Menemen Right Bank Irr Sarigol Irr Alasehir Irr

29 OPTIMA CropYield (kg/ha)Average Price (EU/kg) Cotton Grape Maize Vegetables Cereals Fruits?? Water Supply Ratio (%)Decrease in Yield (%) Yields and Average Farmer’s Prices of Crops

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

31 OPTIMA River Basin Objects 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 Subcatchments: 1)Demirkopru Upstream 2)Buldan Upstream 3)Afsar Upstream 4)Medar 5)Nif 6)Gordes 7)Yigitler Aquifers: 1)Salihli-Turgutlu 2)Menemen 3)Sarikiz 4)Alasehir

32 OPTIMA Name of the Settlement1990 Pop.2000 Pop.qHY, l/ca/day **m3/daym3/s Akhisar Salihli Turgutlu Manisa, Center Kemalpasa Menemen Saruhanli Golmarmara Alasehir Ahmetli PopulationqHY, l/ca/day > ** Values from Bank of Provinces Domestic Demand of Settlements

33 OPTIMA The aquifers identified in WaterWare (WRM) and their parameters. The Name of the Aquifer ParameterAlasehirMenemenSalihli-TurgutluSarikiz Area (km2) Average depth (m) Porosity (%)15 Percolation loss coefficient0000 Deg. day coefficient1e-05 Recharge coefficient

34 OPTIMA WaterWare Modeling Studies: Water Budget

35 OPTIMA 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

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46 Economic Data Compilation

47 OPTIMA BASIC ECO-DATA OF IRRIGATION DISTRICTS Irrigation Districts Fixed O/M Costs (€/month) Use Benefit (€/m3) Shortfall Cost (€/m3) Variable cost (€/m3) Adala Left Adala Right Ahmetli Left Ahmetli Right Menemen Left Menemen Right Sarigol Alasehir

48 OPTIMA BASIC ECO-DATA OF SETTLEMENTS Settlement Demand (m3/s) Fixed O/M Costs (€/month) Fixed Pumping Costs (€/month) Pumping Cost (€/m3) Domestic Network Cost (€/m3) Use Benefit (€/m3) Shortfall Cost (€/m3) Akhisar Salihli Turgutlu Manisa, Center Kemalpasa Menemen Saruhanli Golmarmara Alasehir Ahmetli

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

50 OPTIMA RESERVOIRS INVESTMENTS ANNUAL INV (€/year) O/M (€/month) Shortfall cost Variable cost Use benefit (€/m 3 ) YIGITLER DAM2,531,851149,975 Industrial Supply1,138,61063, Irrigation1,014,43126, GORDES DAM87,373,04349,788 Domestic Supply7,660, Irrigation7,477,686115,

51 OPTIMA Economical Assessment of WRM Scenarios

52 OPTIMA

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56 Introduced Water Technologies To DB

57 OPTIMA

58 Irrigation District Area Annual Investment Cost (€ / year) Operational Cost (€ / year) Adala LB61501,810,167181,796 Adala RB63001,854,318186,230 Sarıgöl ,33629,560 Alaşehir75002,207,521221,702 Ahmetli RB147504,341,458436,014 Ahmetli LB145504,282,591430,102 Menemen RB52501,545,265155,192 Menemen LB142004,179,573419, % implementation

59 OPTIMA

60 Irrigation District Area Annual Investment Cost (€ / year) Operational Cost (€ / year) Adala LB Adala RB Sarıgöl Alaşehir Ahmetli RB Ahmetli LB Menemen RB Menemen LB % implementation

61 OPTIMA

62 SettlementPopulation Annual Investment Cost (€ / year) Operational Cost (€ / year) Akhisar Salihli Turgutlu Manisa, Center Kemalpasa Menemen Saruhanli Golmarmara Alasehir Ahmetli % implementation

63 OPTIMA

64 SettlementHousehold Annual Investment Cost (€ / year) Akhisar ,198 Salihli ,083 Turgutlu ,830 Manisa, Center571591,714,760 Kemalpasa ,860 Menemen ,632 Saruhanli324097,201 Golmarmara254176,224 Alasehir ,094 Ahmetli290587, % implementation

65 OPTIMA Optimization Model and DMC Results

66 OPTIMA

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77 WORKS TO DO  Discuss and introduce new possible water technologies to be used,  Running the optimization scenarios for other WRM scenarios: GEDIZ_BL_1991, gediz future 1991, gediz future 1982 (copy function?),  Evaluate and disseminate obtained results with some stakeholders like DSI (Another final ? Stakeholder meeting) in order to let them review their constraints and expected performance from the river system.

78 OPTIMA THANK YOU!


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