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3.6 THE DECISION VARIABLE 30 3.7 PRELIMINARY WORK FOR NETWORK LAY-OUT 30 3.8 THE TRANSPORTATION NETWORK 31 IV 3.9 FROM THE TRANSPORTATION MODEL TO THE TRANSSHIPMENT NETWORK 32 3.9.1 The Transshipment Networks: Two Different Schemes, Four Variants 34 3.10 THE SOLVER 35 4 RESULTS 36 4.1 WATER BALANCE AT BASIN LEVEL 36 4.1.1 Acate and Basins between Gela and Acate 36 4.1.2 Basin: Ippari 37 4.1.3 Basin: Irmino 38 4.1.4 Basins between Scicli and Capo Passero 39 4.1.5 Basins between Capo Passero and Tellaro 40 4.1.6 Basin:Tellaro 40 4.1.7 Basin: Cassibile 41 4.1.8 Basin: Anapo 42 4.1.9 Basins between Anapo and Lentini 42 4.1.10 Basin: S. Leonardo 43 4.1.11 Basins number: 19079, 19081, 19083, 19087, 19088, 19090 44 4.2 TOTAL WATER BALANCE 44 4.3 THE TRANSPORTATION PROBLEM 46 4.4 OPTIMAL SOLUTION OF THE TRANSPORTATION PROBLEM 47 4.5 THE COSTS OF TRANSSHIPMENT 49 4.6 TRANSSHIPMENT OPTIMAL SOLUTIONS 50 5 CONCLUSIONS 52 6 REFERENCES 55
Figures and tables V Figure 1 - Conceptual framework for a Water Resource Systems analysis (after UNESCO 2005) 8 Figure 2 – The study area 9 Figure 3 – Rainfall distribution (1931-60) (after Piccione, 2008) 11 Figure 4 – Rainfall distribution (1961-90), (after Piccione, 2008) 11 Figure 6 - Qualitative features of groundwater resources (after Brucculeri, 2002) 15 Figure 7- Transportation network with m sources and n destinations 19 Figure 8 – An explicative example of a transhipment problem 22 Figure 9 – Geographical map of the study area: elevation, hydrographical basins, and nodes locations 31 Figure 10 – Network representation and arc length 32 Figure 11 – Overlapping of a 14 arcs transhipment network on the transportation solution 33 Figure 12 – Lay-out of the transhipment network according to the geomorphology of the study area 34 Figure 13 – Two networks, four variants 35 Figure 14 – Water supply, demand and balance at basin level 46 Figure 15 – Transportation network: optimal solution 48 Figure 16 – Transhipment optimal solution 13 arcs 51 Figure 17 – Transhipment optimal solution 14 arcs 51 Table 1 - Sicilian Import / Export balance in the 2007 (after OEMCI, 2008) 17 Table 2- Tableau form of a transhipment problem 22 Table 3- Litres of water consumption per inhabitant per day in demographic classless (CDEBTAS, 2007) 25 Table 4– Water Balance Assessment 37 Table 5 - Water Balance Assessment 38 Table 6 – Water balance assessment: Irmino 38 Table 7 - Water Balance Assessment basins between SCICLI and CAPO PASSERO 39 Table 8– Water Balance Assessment basins between Capopassero and Tellaro 40 Table 9– Water Balance Assessment basin Tellaro 41 Table 10– Water Balance Assessment basin Cassibile 41 Table 11 – Water Balance Assessment basin Anapo 42 Table 12 – Water Balance Assessment basins between Anapo and Lentini 43 Table 13 – Water Balance Assessment basin Irmino 44 Table 14 - Water balance at basin level 45 Table 15 - Arc length, and elevation at supply and demand nodes. 47 Table 16 - Transportation network: cost (€/m3) 47 Table 17 - Optimal solution 48 Table 18 – Transhipment costs 49 Table 19 – Value of the optimal solution for the transhipment problem (13 arcs) 50 Table 20 – Value of the optimal solution for the transhipment problem (14 arcs) 50
Page 1 and 2: Ben-Gurion University of the Negev
Page 3 and 4: Abstract I The Sicilian water balan
Page 5: Tables of contents 1 INTRODUCTION 1
Page 9 and 10: 1 1 Introduction The Sicilian water
Page 11 and 12: 3 1.2 Water Balance Assessment One
Page 13 and 14: 5 In the initial process of any wat
Page 15 and 16: 7 almost exclusively with the use o
Page 17 and 18: Figure 2 - The study area 9 2.2 Cli
Page 19 and 20: 11 Figure 3 - Rainfall distribution
Page 21 and 22: Figure 6 - Qualitative features of
Page 23 and 24: 15 The aquifer is generally modestl
Page 25 and 26: 17 2.5.1 Potential vulnerability 5
Page 27 and 28: 3 Methodology 19 Two different mode
Page 29 and 30: 21 The objective function is subjec
Page 31 and 32: 23 to the output. This is not the c
Page 33 and 34: Ri = Runoff, rivers, lakes, reservo
Page 35 and 36: U j = s ∑ r = 1 u r 27 for r = 1,
Page 37 and 38: 29 C = smoothness of the internal p
Page 39 and 40: 31 The resulting polygons of every
Page 41 and 42: 33 c) The location of supply nodes
Page 43 and 44: 35 In the network made of 13 arcs t
Page 45 and 46: 37 and 600 mm per year. Springs and
Page 47 and 48: 39 Agricultural 13.4 4.4 - - Na 17.
Page 49 and 50: Basin: TELLARO Code: 19086 Area: 38
Page 51 and 52: 43 plant: and the Fiumara Grande an
Page 53 and 54: 45 total balance (table 14) of the
Page 55 and 56: 47 Table 15 - Arc length, and eleva
Page 57 and 58:
49 4.5 The Costs of Transshipment T
Page 59 and 60:
51 Figure 16 - Transhipment optimal
Page 61 and 62:
53 general equilibrium between the
Page 63 and 64:
55 6 References Agnew C. and Anders
Page 65 and 66:
57 Commissario Delegato per l'Emerg
Page 67 and 68:
59 Peel M. C., Finlayson B. L., and
Page 69 and 70:
ANNEX A Transportation script MODEL
Page 71 and 72:
ANNEX C Global optimal solution fou
Page 73 and 74:
65 Global optimal solution found. T
Page 75 and 76:
Page 77 and 78:
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