000 02045 a2200169 4500
999 _c49300
_d49300
020 _a9783846593202
082 _a333.9112
_bPAL
100 _aPallais, Felipe Gonzalez
_963982
245 _aWater demand management at urban scale using GIS data : a case study for Managua, Nicaragua
260 _aSaarbrucken
_bLAP Lambert Academic Publishing
_c2012
300 _aiii,xii,97,ip.
505 _aCONTENTS Abstract v Acknowledgements vi Table of Contents vii List of Tables xi Chapter 1 Introduction 1 1.1.1Objectives 2 1.1.2 Hypothesis 2 1.2 Problem Definition 3 Chapter 2 Water Demand Management 5 2.1 Introduction 2.1.1 Definitions and Terminology 5 2.1.2 Prospects and challenges in application 8 2.1.3 Metering and Pricing 10 2.2 Managing Supply: Water Loss Control. 11 2.3-2. Pressure Management 13 2.3-4. Other Measures 14 Chapter 3 GIS in Water Distribution Modelling 17 3.1 Water Distribution Networks 17 3.2 Modelling Water Distribution 18 3.3 Introduction to GIS 20 3.4 GIS and Hydraulic modelling 21 Chapter 4 Building a Model from GIS data, Managua case study 23 4.1 Case Study of Managua City 23 4.2 ENA CAL- Managua Water Utility 25 4.2.1 Demand 27 4.2.2 Supply 27 4.3 Model Parameters 36 Chapter 5 Modeling the Managua Distribution Network 39 5.1 Modelling Leakage 39 leakage assessment. 39 5.1.1 Demand Based Lekage assessment 39 5.1.2 Pressure based leakage assessment 39 5.2 Model Calibration 42 5.2.2 Network Leakage Calibration 42 5.2.3 Network Pressures Calibration 47 5.3 Functioning of the System 49 5.3.1 Managua I 50 5.3.2 Managua II 51 5.3.3 Las Mercedes 52 5.3.4 Asososca Lake 53 5.3.5 Ciudad Sandino Municipality 55 5.4 Pressures Levels 56 Chapter 6 Developing a strategy for Water Demand Management 59 - 76 Chapter 7 Conclusions and Recommendations 81 Chapter 8 References 83 Appendices 87
600 _960541
890 _aGermany
891 _aFM
942 _2ddc