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Urban Hydroinformatics

Urban Hydroinformatics

Zoran Vojinovic | Sarah Thorne | Roland Price

(2011)

Additional Information

Book Details

Abstract

Urban Hydroinformatics: Data, Models and Decision Support for Integrated Urban Water Management is an introduction to hydroinformatics applied to urban water management. It shows how to make the best use of information and communication technologies for manipulating information to manage water in the urban environment. The book covers the acquisition and analysis of data from urban water systems to instantiate mathematical models or calculations, which describe identified physical processes. The models are operated within prescribed management procedures to inform decision makers, who are responsible to recognized stakeholders. The application is to the major components of the urban water environment, namely water supply, treatment and distribution, wastewater and storm water collection, treatment and impact on receiving waters and groundwater, and urban flooding. 
Urban Hydroinformatics pays particular attention to modeling, decision support through procedures, economics and management, and implementation in developing countries. The book is written with Post-graduate students, researchers and practicing engineers in all aspects of urban water management in mind. 
Visit the IWA WaterWiki to read an article by the authors: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/Urbanhydroinformatics
This title is now available in Hardback: please note change of ISBN from 9781843392743 to 9781780401362.

Table of Contents

Section Title Page Action Price
Half title page 2
Title page 4
Copyright page 5
Contents 6
Acronyms 18
Preface 22
Acknowledgements 24
Foreword 26
Introduction 30
Chapter 1 32
The Imperative for Urban Water Management 32
1.1 GLOBAL URBAN WATER ISSUES 32
1.2 WATER ISSUES IN SOME MAJOR CITIES 34
1.2.1 Bangkok 34
1.2.2 Jakarta 34
1.2.3 Dhaka 36
1.2.4 London 36
1.2.5 Chicago 37
1.2.6 Shanghai 37
1.2.7 Belo Horizonte 37
1.3 PROBLEMS FACED BY MEGA CITIES 39
1.4 SOLUTIONS TO PROBLEMS OF CITIES IN DEVELOPING COUNTRIES 40
1.5 URBAN WATER MANAGEMENT IN DEVELOPED COUNTRIES 41
1.6 URBAN WATER MANAGEMENT IN THE USA 43
1.7 URBAN WATER MANAGEMENT IN EUROPE 43
1.8 INTEGRATED URBAN WATER MANAGEMENT 43
1.9 THIS BOOK 44
1.10 KEYWORDS 44
1.11 QUESTIONS 45
1.12 REFERENCES 45
Chapter 2 46
Urban Water Systems 46
2.1 A BRIEF HISTORY OF URBAN WATER SYSTEMS 46
2.2 WATER RESOURCES FOR SUPPLY 49
2.3 POTABLE WATER TREATMENT 51
2.4 POTABLE WATER DISTRIBUTION 51
2.5 DRAINAGE OF WATER FROM URBAN AREAS 53
2.6 WASTEWATER TREATMENT 56
2.7 RECEIVING WATERS IMPACT 57
2.8 URBAN FLOOD MANAGEMENT 59
2.9 GROUNDWATER MANAGEMENT IN URBAN AREAS 61
2.10 INTEGRATED URBAN WATER MANAGEMENT 63
2.10.1 Asset management 64
2.10.2 Sewage and drinking water system renovation and rehabilitation 65
2.10.3 Urban pollution management 65
2.10.4 Emergency fl ood warning 66
2.10.5 Real time control 67
2.11 KEYWORDS 67
2.12 QUESTIONS 67
2.13 REFERENCES 68
Chapter 3 70
Hydroinformatics 70
3.1 ON ORIGINS 70
3.2 GENERATIONS OF COMPUTATIONAL HYDRAULIC MODELLING 72
3.2.1 First generation of computational hydraulic modelling 72
3.2.2 Second generation of computational hydraulic modelling 73
3.2.3 Third generation of computational hydraulic modelling 73
3.2.4 Fourth generation of computational hydraulic modelling 74
3.2.5 Fifth generation of computational hydraulic modelling 75
3.2.6 The role of Hydroinformatics in urban water management 76
3.2.7 Artifi cial intelligence and Hydroinformatics 78
3.2.8 Data management and decision support 80
3.2.9 The nature of knowledge 81
3.2.10 Knowledge management 82
3.2.11 Sharing knowledge 82
3.3 HYDROINFORMATICS AND THE FLOW OF INFORMATION 84
3.3.1 The physical and societal domains 85
3.3.2 The virtual world and the scientifi c interface with the physical world 85
3.3.3 The organizational world and the procedural interface with the virtual world 88
3.3.4 The social world and the institutional interface with the organizational world 89
3.3.5 The physical world and the intervention interface with the social world 90
3.3.6 Hydroinformatics summarised 90
3.4 KEYWORDS 91
3.5 QUESTIONS 91
3.6 REFERENCES 91
Chapter 4 94
Data Management 94
4.1 INTRODUCTION 94
4.2 DEFINING OBJECTIVES OF DATA COLLECTION 95
4.3 PREPARING FOR A DATA COLLECTION CAMPAIGN 95
4.4 SPATIAL DATA COLLECTION 96
4.5 DIGITAL TERRAIN DATA COLLECTION 99
4.6 REMOTE SENSING 106
4.7 TEMPORAL DATA COLLECTION 109
4.7.1 Meteorological data 111
4.7.2 Water supply, treatment and distribution 114
4.7.3 Wastewater and storm water systems and treatment plants 116
4.7.4 Receiving waters 121
4.8 OTHER DATA 122
4.9 MEASUREMENT UNCERTAINTY 123
4.10 DATA VALIDATION, PROCESSING, HANDLING AND STORAGE 124
4.11 GEOGRAPHIC INFORMATION SYSTEMS 125
4.12 TELEMETRY AND SCADA SYSTEMS 129
4.13 KEYWORDS 130
4.14 QUESTIONS 130
4.15 REFERENCES 130
Chapter 5 132
Modelling Paradigms 132
5.1 BACKGROUND TO MODELLING 132
5.1.1 Model categories 133
5.1.2 What is a model? 136
5.1.3 Calibration of a model 137
5.1.4 Confi rming a model 137
5.1.5 Modelling phases for urban water systems 138
5.1.6 Some physical concepts associated with water 140
5.2 MODELLING WATER QUANTITY 141
5.2.1 Navier-Stokes equations 141
5.2.2 Saint Venant equations 143
5.2.3 1D Saint Venant equations 145
5.2.4 Boundary conditions for pipe fl ow 150
5.2.5 Pressurised fl ow 152
5.2.6 Manhole storage 157
5.2.7 Ancillary structures 157
5.2.8 Incompressible pressurised fl ow in inelastic pipes 159
5.3 MODELLING WATER QUALITY 160
5.3.1 Sediment transport 160
5.3.2 Chemical pollutants 161
5.4 GROUNDWATER 164
5.5 PIPE NETWORKS 165
5.6 NUMERICAL SOLUTION OF THE SAINT VENANT EQUATIONS 166
5.6.1 6-point implicit scheme 168
5.6.2 4-point implicit scheme 169
5.6.3 Double sweep algorithm 170
5.6.4 Network of pipes or channels 171
5.6.5 SWMM 171
5.6.6 Small depth problem 173
5.6.7 Treatment of suband super-critical fl ows 173
5.6.8 Generation of the initial condition 173
5.6.9 Groundwater 173
5.6.10 Solving the pollutant transport equations 174
5.7 1D MODELLING OF NATURAL RIVERS 174
5.8 2D ABOVE GROUND FLOW MODELLING 175
5.8.1 Numerical solution of the 2D equations 175
5.8.2 Integrating 1D and 2D models 177
5.8.3 Wetting and drying 177
5.9 SOLVING THE WATER DISTRIBUTION EQUATIONS 179
5.9.1 Steady-state models 181
5.9.2 Unsteady fl ow models 182
5.9.3 Water quality models 184
5.10 PHYSICALLY BASED MODELLING SOFTWARE 185
5.11 MODEL INSTANTIATION 185
5.12 COMPARTMENTALIZED MODELLING 186
5.12.1 Reservoir concept 187
5.12.2 Unit hydrograph 188
5.12.3 Time-area diagram 189
5.13 DATA DRIVEN MODELS 189
5.13.1 Neural networks 192
5.13.2 Choosing parameters of a NN model 193
5.13.3 Support vector machines 194
5.13.4 Chaos theory and nonlinear dynamics 195
5.13.5 Genetic programming 196
5.13.6 Bayesian learning 197
5.13.7 Fuzzy logic models 198
5.13.8 Nearest neighbour 199
5.13.9 Model trees 199
5.14 COMPARISON BETWEEN PHYSICALLY BASED AND DATA DRIVEN MODELLING 201
5.15 AGENT BASED MODELLING 201
5.16 KEYWORDS 202
5.17 QUESTIONS 203
5.18 REFERENCES 203
Chapter 6 206
Decision Support Systems 206
6.1 INTRODUCTION 206
6.2 COMPONENTS OF DECISION SUPPORT SYSTEMS 207
6.3 DECISION MAKING UNDER UNCERTAINTY 207
6.3.1 Monte Carlo simulation method 208
6.3.2 First order second moment method 209
6.3.3 Qualitative method: fuzzy set theory with expert judgment 209
6.3.4 Qualitative uncertainty scale 210
6.3.5 Improved uncertainty methods 210
6.4 DECISION MAKING WITH OPTIMISATION 212
6.4.1 Traditional optimisation methods 212
6.4.2 General optimization methods 212
6.4.3 Multi-objective optimization 213
6.4.4 Traditional methods for MOP solution 214
6.4.5 Evolutionary algorithms 214
6.4.6 Performance and Pareto comparison 215
6.5 PROCEDURES FOR DECISION SUPPORT 215
6.5.1 Tasks and attributes 217
6.5.2 Closed and open task structures 217
6.5.3 Making decisions 218
6.5.4 Examples of procedures 219
6.5.5 Updating procedures 219
6.5.6 Joint decision making 219
6.5.7 Benefi ts of DSS 220
6.6 INSTANTIATING MODELS 220
6.6.1 Modelling as part of the knowledge management process 220
6.6.2 Modelling within a project 221
6.6.3 Planning phase 222
6.6.4 Investigation phase 235
6.6.5 Solution development 254
6.7 INSTANTIATION OF DATA DRIVEN MODELS 256
6.8 MODELLING AS A DYNAMIC PROCESS 260
6.9 DECISION SUPPORT SYSTEMS IN URBAN WATER MANAGEMENT 260
6.10 KEYWORDS 261
6.11 QUESTIONS 261
6.12 REFERENCES 261
Chapter 7 266
Involving Society in Urban Water Management 266
7.1 INTRODUCTION 266
7.2 INDIVIDUAL AND COMMUNITY NEEDS 266
7.3 URBAN GOVERNANCE AND INTEGRATED URBAN WATER MANAGEMENT 267
7.4 INSTRUMENTS FOR URBAN WATER MANAGEMENT 269
7.5 ETHICS OF URBAN WATER MANAGEMENT 270
7.6 ROLE OF HYDROINFORMATICS IN SOCIETY 273
7.7 CONCLUSIONS 276
7.8 KEYWORDS 276
7.9 QUESTIONS 277
7.10 REFERENCES 277
Chapter 8 278
Asset Management 278
8.1 INTRODUCTION 278
8.2 ASSET MANAGEMENT CYCLE 279
8.3 EVOLUTION OF ASSET MANAGEMENT PRACTICE 281
8.4 CONDITIONAND PERFORMANCE-BASED ASSET MANAGEMENT 282
8.5 ASSET CONDITION ASSESSMENT 282
8.6 ASSET PERFORMANCE ASSESSMENT 286
8.7 SERVICE LEVEL AND RISK-BASED ASSET MANAGEMENT 286
8.8 PIPE DETERIORATION MODELLING 288
8.9 ASSET REHABILITATION 290
8.9.1 Optimised decision making 290
8.9.2 Lifecycle costs 290
8.9.3 Net present value 292
8.9.4 Evaluation of alternatives and the use of optimisation techniques 292
8.10 ASSET MANAGEMENT DECISION SUPPORT SYSTEMS 293
8.11 CASE STUDY: PROACTIVE ASSET MANAGEMENT STRATEGIES FOR SEVERN TRENT WATER 298
8.11.1 Introduction 298
8.11.2 Background 298
8.11.3 Changing the system 298
8.11.4 OFWAT returns 299
8.11.5 Severn Trent’s DAP programme 299
8.11.6 Applications 299
8.11.7 The future 300
8.11.8 Adoption of private drains and sewers 300
8.11.9 Acknowledgement 301
8.12 KEYWORDS 301
8.13 QUESTIONS 301
8.14 REFERENCES 301
Chapter 9 304
Water Distribution Systems 304
9.1 INTRODUCTION 304
9.1.1 Water sources 305
9.1.2 Water treatment 306
9.1.3 Water transmission 307
9.1.4 Service reservoirs and water towers 307
9.1.5 Distribution pipes, valves and pumps 308
9.1.6 Complexity (or Water distribution labyrinth) 308
9.2 MODELLING WATER DISTRIBUTION SYSTEMS 309
9.2.1 Model instantiation 310
9.3 MODELLING APPLICATIONS 310
9.3.1 Modelling for capital investment planning 311
9.3.2 Modelling for operational planning 315
9.4 CASE STUDY: APPLICATION OF HYDRAULIC MODELLING FOR LEAKAGE MANAGEMENT IN THE BANGKOK WATER SUPPLY SYSTEM 325
9.4.1 Introduction 325
9.4.2 Leakage management study in Bangkok 325
9.4.3 Conclusion 330
9.4.4 Acknowledgement 330
9.5 KEYWORDS 330
9.6 QUESTIONS 330
9.7 REFERENCES 330
Chapter 10 332
Collection Systems 332
10.1 INTRODUCTION 332
10.2 COMBINED VERSUS SEPARATE COLLECTION SYSTEMS 334
10.3 WASTEWATER SYSTEMS 335
10.4 STORMWATER SYSTEMS 337
10.5 COMBINED SEWERAGE SYSTEMS 339
10.6 SIMULATION MODELLING 339
10.7 MODELLING RAINFALL 342
10.7.1 Characterisation of rainfall 343
10.7.2 Design rainfall 347
10.7.3 Example of large amount of rainfall data (UK rainfall) 351
10.7.4 UK synthetic design storms 351
10.7.5 Selection of design storm 353
10.7.6 Annual time series 353
10.7.7 Synthetic time series 354
10.8 DELINEATION OF CATCHMENTS AND SUB-CATCHMENTS 354
10.9 MODELLING RAINFALL-RUNOFF FROM URBAN CATCHMENTS 356
10.9.1 Runoff coeffi cient model 357
10.9.2 The Horton infi ltration model 357
10.9.3 Conceptual framework for rainfall-runoff models (UK) 358
10.9.4 Rainfall-losses models (UK) 358
10.9.5 The US soil conservation method SCS model 361
10.10 RAINFALL-RUNOFF ROUTING MODELS 362
10.10.1 Design unit hydrograph 362
10.10.2 Time-area method 363
10.10.3 Kinematic wave (Nonlinear reservoir) 365
10.10.4 Runoff routing models (UK) 365
10.10.5 Extension for large sub-catchments 366
10.11 DRY WEATHER FLOWS 366
10.12 POLLUTANT LOADING AND WASHOFF 367
10.12.1 Attached pollutants 369
10.12.2 Dissolved pollutants 370
10.13 MODELLING FLOW IN NETWORKS OF CHANNELS AND/OR PIPES 370
10.14 1D MODELLING APPROACH 371
10.15 SIMPLIFICATION OF 1D MODELS 371
10.16 1D/1D MODELLING APPROACH 373
10.17 1D/2D MODELLING APPROACH 373
10.18 DETERMINING PEAK FLOWS IN A DENDRITIC NETWORK 374
10.19 USING EVENT-BASED AND TIME SERIES RAINFALL WITH PIPE NETWORKS 375
10.20 MODELLING TREATMENT WORKS 376
10.21 MODELLING RECEIVING WATERS 376
10.22 INSTANTIATING AN URBAN DRAINAGE SIMULATION MODEL 376
10.23 MODEL APPLICATION 377
10.23.1 Design of systems 377
10.23.2 Hydraulic analysis 379
10.23.3 Infi ltration and infl ow analysis for wastewater systems 384
10.23.4 CSO analysis 384
10.23.5 Performance analysis of pipes and channels 388
10.23.6 Storage facility analysis 388
10.23.7 Real time control options 391
10.23.8 Sewerage rehabilitation 395
10.23.9 Urban pollution management 398
10.24 KEYWORDS 399
10.25 QUESTIONS 399
10.26 REFERENCES 400
Chapter 11 402
Wastewater Treatment 402
11.1 INTRODUCTION 402
11.1.1 Short history of wastewater treatment 402
11.2 WASTEWATER CHARACTERISATION 404
11.2.1 Wastewater quantity or fl ow 404
11.2.2 Wastewater constituents 406
11.2.3 Wastewater composition 408
11.3 TREATMENT STEPS 410
11.3.1 Primary treatment 411
11.3.2 Secondary treatment 411
11.3.3 Tertiary treatment 424
11.4 MODELLING OF WASTEWATER TREATMENT PLANTS 424
11.4.1 Modelling hydraulics 425
11.4.2 Modelling of mixing 427
11.4.3 Biological process modelling 431
11.4.4 Settler modelling 437
11.4.5 Membrane fi ltration modelling 444
11.5 SIMULATION SOFTWARE 446
11.6 OUTLOOK 446
11.7 CASE STUDY: UPGRADING LARGE WASTEWATER TREATMENT PLANTS: USE OF MODELLING AS A DECISION-MAKING TOOL IN SARAJEVO (BOZNIA AN 447
11.7.1 Introduction 447
11.7.2 Modelling of Sarajevo sewage system 448
11.7.3 Acknowledgement 450
11.8 KEYWORDS 450
11.9 QUESTIONS 450
11.10 REFERENCES 450
Chapter 12 454
Management of Water Quality in Integrated Drainage Systems 454
12.1 INTRODUCTION 454
12.2 IMPACT OF POLLUTANTS ON RECEIVING WATERS 455
12.2.1 Oxygen demanding substances 456
12.2.2 Pollution dilution and oxygen sag 457
12.2.3 First foul fl ush 458
12.2.4 Bacteriological and pathogenic factors 459
12.2.5 Pollutants that hinder oxygenation at the surface 459
12.2.6 Toxic contaminants 460
12.2.7 Discharges high in suspended solids 460
12.3 MODELLING EQUATIONS 460
12.4 URBAN POLLUTION MANAGEMENT PROCEDURE 462
12.4.1 Initial planning 462
12.5 INTEGRATED MODELLING 472
12.6 CASE STUDY 1: STRATEGIC AND OPERATIONAL MODELLING FOR MARINA RESERVOIR, SINGAPORE 477
12.6.1 Introduction 477
12.6.2 The conversion process 479
12.6.3 Water quality modelling framework 479
12.6.4 Operational Management System 482
12.6.5 Organisational set-up and capacity building 482
12.6.6 Conclusions 483
12.6.7 Acknowledgement 484
12.7 CASE STUDY 2: MODELLING THE INTERACTION BETWEEN DRAINAGE SYSTEM, WASTEWATER TREATMENT PLANT AND RECEIVER WATER AT PATTAYA BEACH 484
12.7.1 Introduction 484
12.7.2 Description of the study area 485
12.7.3 Modelling the hydraulic process and pollutant transport in the drainage system 486
12.7.4 Modelling of the receiving water along the Pattaya beach 488
12.7.5 Conclusions 488
12.7.6 Acknowledgement 490
12.8 KEYWORDS 491
12.9 QUESTIONS 491
12.10 REFERENCES 491
Chapter 13 494
Urban Flood Risk Management 494
13.1 INTRODUCTION 494
13.2 URBAN FLOODS AND THEIR IMPACTS 495
13.3 URBAN FLOOD MANAGEMENT PROCESS 496
13.4 DELINEATION OF FLOOD HAZARDS 498
13.5 UNCERTAINTY 498
13.6 EVALUATION OF IMPACTS OF URBAN FLOODS 498
13.7 FLOOD MITIGATION MEASURES 501
13.8 FLOOD FORECASTING AND WARNING SYSTEMS 501
13.9 REAL-TIME CONTROL SYSTEMS 502
13.10 THE PRACTICE OF URBAN FLOOD DISASTER RISK MANAGEMENT 503
13.11 FLOOD RESILIENT COMMUNITIES 505
13.12 CLIMATE CHANGE AND URBAN FLOOD MANAGEMENT 506
13.13 KEYWORDS 508
13.14 QUESTIONS 508
13.15 REFERENCES 508
Chapter 14 510
Management of Urban Water in Developing Countries 510
14.1 INTRODUCTION 510
14.2 ASIA 515
14.3 LATIN AMERICA AND THE CARIBBEAN 516
14.4 AFRICA 522
14.5 TOWARDS BETTER PROVISION OF SERVICES 525
14.6 CONCLUDING REMARKS 526
14.7 KEYWORDS 527
14.8 QUESTIONS 527
14.9 REFERENCES 527
Chapter 15 528
Future of Urban Water Management 528
15. 1 INTRODUCTION 528
15.2 DATA MANAGEMENT 529
15.3 MODELLING 530
15.4 DECISION SUPPORT SYSTEMS 532
15.5 INSTITUTIONAL AND SOCIO-ECONOMIC ISSUES 532
15.6 FUTURE OF URBAN HYDROINFORMATICS 533
15.7 KEYWORDS 533
15.8 QUESTIONS 533
15.9 REFERENCES 533
Glossary 536
Index 548