optima optimisation for sustainable water resources management
DESCRIPTION
OPTIMA Optimisation for Sustainable Water Resources Management. The Case of the Gediz River in Turkey. 18-19 May 2006 Gumpoldskirchen. Population : 1.700.000. Istanbul. Extent : 17600 km 2. Gediz Basin. Izmir. Water Supply : 1100 MCM 647 m 3 per capita. - PowerPoint PPT PresentationTRANSCRIPT
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OPTIMA
OPTIMAOptimisation for Sustainable
Water Resources Management
The Case of the Gediz River in Turkey
18-19 May 2006
Gumpoldskirchen
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22OPTIMA
Gediz Basin
Izmir
IstanbulPopulation: 1.700.000
Extent: 17600 km2
Current water demand
Agriculture39 mm(695 MCM)
Industry3 mm(54 MCM)
Environ.Wetland0.2 mm(3.6 MCM)
Domestic
7.4 mm(133 MCM
Current water supply
Surface52 mm(940 MCM)
Ground9 mm (160 MCM)
TreatedNot Available
Rainfall700 mm
Water Supply: 1100 MCM 647 m3 per capita
Water Demand: 886 MCM 521 m3 per capita
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33OPTIMA
LAKES, RESERVOIRS and WEIRS
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44OPTIMA
Demographic ChangeBasin Population +1.5 % /year [1 100 000(1970) 1 700 000 (2000)]
Urban population +2% /yearRural population -0.7% /year
INTERNAL MIGRATION RURAL TO URBAN: RAPID URBANIZATION
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55OPTIMA
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
Industrial Areas
Kemalpasa
Manisa
Menemen
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66OPTIMA
KEY ISSUES
PHYSICAL CONDITIONS:
- Watershed Degradation
- Water Scarcity
- Droughts
WATER MANAGEMENT:
- Education and Awareness
- Institutional Framework:
- Institutional Responsibilities
- Active Participation
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77OPTIMA
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
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88OPTIMA
Domestic demand 0.15 mm/year, 2%
Industrial demand 0.3 mm/year, 10%
KEY ISSUES
Supply (61mm) Demand (49.6mm)
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99OPTIMA
DischargesDischarges
Water Quality
60% of Surface Water
30% of Ground Water
“POLLUTED, USE WITH CARE!!”
W. Q. CLASS IV(acc. Turkish W.Q.C. Standards)
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1010OPTIMA
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1111OPTIMA
GIS DATA (WP05)(Composite, LANDSAT)
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1212OPTIMA
GIS DATA (WP05) (DEM, SRTM)
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1313OPTIMA
GIS DATA (WP05) (River Network)
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1414OPTIMA
GIS DATA (WP05) (Settlements)
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1515OPTIMA
GIS DATA (WP05) (Road Network)
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1616OPTIMA
GIS DATA (WP05) (Flow Stations)
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1717OPTIMA
GIS DATA (WP05) (Meteo. Stations)
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1818OPTIMA
GIS DATA (WP05) (Landuse)
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1919OPTIMA
Topological View of the Recent 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
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2020OPTIMA
RESERVOIRS
AFSARBULDAN
MARMARA
DEMIRKOPRU
Bay of Izmir
YIGITLER?
GORDES?
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2121OPTIMA
River Basin Objects
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.
WATERWARE STUDIES
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2222OPTIMA
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
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2323OPTIMA
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
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2424OPTIMA
Irrigation District
Area (ha)(min-max)
Cotton (%)
Maize (%)
Grape (%)
Vegetables (%)
Fruits (%)
Cereals (%)
Adala Left Bank Irr.
5100-7000 0 30 63 5 - 2
Adala Right Bank Irr.
5500-6600 25 30 40 3 - 2
Ahmetli Left Bank Irr.
13000-16100 5 18 63 5 9 -
Ahmetli Right Bank Irr.
12500-17000 17 25 54 4 - -
Menemen Left Bank Irr.
13000-14200 56 25 3 5 2 9
Menemen Right Bank Irr.
4900-5800 30 26 7 18 4 15
Sarigol Irr. 890-1100 - - 100 - - -
Alasehir Irr.
6800-8400 - - 100 - - -
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2525OPTIMA
CropCrop Yield (kg/ha) Average Price (EU/kg)
Cotton 4027.5 0.68
Grape 4805 0.88
Maize 8035 0.17
Vegetables 26460 0.39
Cereals 6367.5 0.34
Fruits ? ?
Water Supply Ratio (%) Decrease in Yield (%)
80 4
70 8
60 15
50 23
Yields and Average Farmer’s Prices of Crops
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2626OPTIMA
DistrictBOD loads (kg/day)
Industrial
Kemalpasa Industrial Zone 4255
Manisa Org. Ind. Zone 8667
Menemen Leather Industrial 4833
Daily BOD Loads of Industrial Discharges
Source: Nen Eng.&Cons., December 2001
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2727OPTIMA
SUBCATCHMENTS and SETTLEMENTS
Turgutlu
AlasehirSalihliGolmarmara
Saruhanli
Menemen
Kemalpasa
Akhisar Ahmetli
Bay of Izmir
Buldan AfsarDeliinis
Gordes
MedarYigitler
Nif
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2828OPTIMA
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
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2929OPTIMA
Name of the Settlement 1990 Pop. 2000 Pop. qHY, l/ca/day ** m3/day m3/s
Akhisar 73944 81510 170 13857 0.16
Salihli 70861 83137 170 14133 0.16
Turgutlu 73634 93727 170 15934 0.18
Manisa, Center 158928 214345 200 42869 0.50
Kemalpasa 16354 25448 100 2545 0.03
Menemen 29006 46079 120 5529 0.06
Saruhanli 12977 13025 100 1303 0.02
Golmarmara 10976 11205 100 1121 0.01
Alasehir 36649 39590 120 4751 0.05
Ahmetli 10190 11011 100 1101 0.01
Population qHY, l/ca/day
5 000 - 10 000 80
10 000 - 30 000 100
30 000 - 50 000 120
50 000 - 100 000 170
> 100 000 200
** Values from Bank of Provinces
Domestic Demand of Settlements
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3030OPTIMA
Municipality BOD loads (kg/day)
Salihli 2772
Menemen 1115
Golmarmara 379
Turgutlu 3100
Alasehir 1093
Saruhanli 2247
Akhisar 1866
Ahmetli 1321
Manisa 2222
Kemalpasa 712
BOD Loads of Domestic Returns of Settlements
Source: Nen Eng.&Cons., December 2001
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3131OPTIMA
The aquifers identified in WaterWare (WRM) and their parameters.
The Name of the Aquifer
Parameter Alasehir MenemenSalihli-
TurgutluSarikiz
Area (km2) 940 300 1200 600
Average depth (m) 80 80 90 80
Porosity (%) 15 15 15 15
Percolation loss coefficient
0 0 0 0
Deg. day coefficient 1e-05 1e-05 1e-05 1e-05
Recharge coefficient 0.75 0.75 0.70 0.65
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3232OPTIMA
WaterWare Modeling Studies
Water Budget
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3333OPTIMA
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3434OPTIMA
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3535OPTIMA
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3636OPTIMA
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3737OPTIMA
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3838OPTIMA
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3939OPTIMA
RESERVOIRS INVESTMENTS
AFSARBULDAN
MARMARA
DEMIRKOPRU
Bay of Izmir
YIGITLER?
GORDES?
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4040OPTIMA
WaterWare Modeling Studies
Water Quality
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4141OPTIMA
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4242OPTIMA
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4343OPTIMA
Kemalpasa Ind.and Dom. Discharges
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4444OPTIMA
Pollution Sources emphasized in Stakeholder meeting:Pollution Sources emphasized in Stakeholder meeting:
Kemalpasa Industrial DistrictKemalpasa Industrial District
Kemalpasa Municipality’s domestic dischargeKemalpasa Municipality’s domestic discharge
Salihli, Akhisar, Turgutlu, Ahmetli Municipalities have Salihli, Akhisar, Turgutlu, Ahmetli Municipalities have
treatment plants but they are not operated properly…treatment plants but they are not operated properly…
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4545OPTIMA
Economic Data Compilation
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4646OPTIMA
Irrigation Districts
Capital Cost
(€/yearly)
Fixed O/M Costs
(€/yearly)
Fixed O/M Costs
(€/monthly)
Use Benefit (€/m3)
Shortfall Cost
(€/m3)
Adala Left Bank Irr. ?? 253091 21091 0.62 0.3
Adala Right Bank Irr. ?? 140593 11716 0.48 0.23
Ahmetli Left Bank Irr. ?? 306447 25537 0.77 0.32
Ahmetli Right Bank Irr. ?? 479559 39963 0.5 0.23
Menemen Left Bank Irr. ?? 376867 31406 0.32 0.12
Menemen Right Bank Irr. ?? 192484 16040 0.45 0.14
Sarigol Irr. ?? 41310 3442 0.59 0.22
Alasehir Irr. ?? 289283 24107 1.1 0.43
*** The operational costs of diversion structures are considered in fixed o/m costs
BASIC ECO-DATA OF IRRIGATION DISTRICTS
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4747OPTIMA
Relative productive value of the irrigation
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90 100
The percentage of demanded water by crop for maximum efficiency
Rel
ativ
e p
rod
uct
ion
val
ue
BASIC ECO-DATA OF IRRIGATION DISTRICTS
Acatay, 2001; E. Hansen et. al.
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4848OPTIMA
BASIC ECO-DATA OF IRRIGATION DISTRICTS
Supply/Demand (daily) Yield decrease
Average Yield Decrease
Water Supply Ratio (%) Decrease in Yield (%)
80 4
70 8
60 15
50 23
Source: Akinci, 2004; Min. of Aggriculture and Rural Affaires
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4949OPTIMA
BASIC ECO-DATA OF IRRIGATION DISTRICTS
Calculation of “Use Benefit” and “Shortfall Cost”:
Use benefit = Yield (kg/ha) x Market price (€/kg) x Area (ha) / Demand (m3)
Shortfall Cost;
Expected irrigation income through irrigation (EII)=
(Total expected income) x 0.6 (without irrigation crops still yield!, the figure may be argued)
The real income increase (RII) = EII x (relative yield reduction due to limited irr.)
Shortfall of income = EII – RII
Shortfall Cost = (EII – RII) / (Total Demand - Total Supply)
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5050OPTIMA
SettlementsCapital
Cost (€/yearly)
Fixed O/M Costs
(€/yearly)
Fixed O/M Costs (€/monthly)
Use Benefit (€/m3)
Shortfall Cost (€/m3)
Akhisar ??
Alm
ost 60% of C
ollected Fees
Alm
ost 60% of C
ollected Fees
1 Salihli ?? 1 Turgutlu ?? 1 Manisa, Center ?? 1.5 Kemalpasa ?? 0.8 Menemen ?? 0.8 Saruhanli ?? 0.4 Golmarmara ?? 0.4 Alasehir ?? 0.6
Ahmetli ?? 0.6
BASIC ECO-DATA OF SETTLEMENTS
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5151OPTIMA
RESERVOIRS INVESTMENTS
AFSARBULDAN
MARMARA
DEMIRKOPRU
Bay of Izmir
YIGITLER?
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5252OPTIMA
COSTS INCOME
YIGITLER DAMANNUAL INV
(€/year)
O/M (€/year)
ELECTRICITY (€/year)
Exp. INCOME(€
/year)
DAM 2,531,851 149,975
IRRIGATION 1,014,431 316,9091,799,32
6
IND. WATER SUPPLY 541,219 115,145 518,358
24,113,963
TREATMENT 597,393 124,912
RESERVOIRS INVESTMENTS
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5353OPTIMA
RESERVOIRS INVESTMENTS
AFSARBULDAN
MARMARA
DEMIRKOPRU
Bay of Izmir
GORDES?
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5454OPTIMA
RESERVOIRS INVESTMENTS
COSTS INCOME
GORDES DAM (€/year)
ANNUAL INV (€/year)
O/M (€/year)
ELECTRICITY (€/year)
INCOME (€/m3)
DAM 87,373,043 597,450
IRRIGATION 7,477,686 1,382,716
DOM. WATER SUPPLY 7,660,819 76,608 1 to 1.51 to 1.5
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5555OPTIMA
TREATMENT PLANT INVESTMENTS
Treatment plant (s) for KEMALPASA INDUSTRIAL ZONE:
Annual Investment Cost (Capital Cost): 90 924 €/year
Fixed O/M Cost : 19012 €/year
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5656OPTIMA
PRELIMINARY ECONOMIC RESULTS OF 1991 BASELINE SCENARIO
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5757OPTIMA
INTRODUCED WATER TECHNOLOGIES TO DB
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5858OPTIMA
INTRODUCED WATER TECHNOLOGIES TO DB
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5959OPTIMA
INTRODUCED WATER TECHNOLOGIES TO DB
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6060OPTIMA
WORKS IN PROGRESS
The O/M data of existing reservoirs have been demanded
from DSI,
The income, shortfall and O/M costs for settlements’ water
distribution system have been demanded from IZSU,
The results of “Issues Questionaire” analysis are expected
from FEEM.
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6161OPTIMA
WORKS TO DO
Decide water technologies to be used,
Complete the compilation of missing economic data,
Start with optimization regarding the results of Stakeholders
Meeting
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6262OPTIMA
THANK YOU!