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Water Resources Management - David Stephenson

Water Resources Management

Hardcover

Published: 1st January 2003
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The world's water resources are being tapped at an ever increasing rate, to the extent that sustainability and water quality are being compromised. This book provides accounts of the technology used for managing water resources to reduce risks. Besides controlling floods, overcoming droughts and reducing pollution, the reader will learn to plan and maintain hydraulic structures, and to appreciate the diverse demands on water, including those of the environment. The topics considered include hydrology and assessment of water resources; drought management and flood management tools; and the interaction between land use and water resources, including surface runoff, groundwater and water quality. The second half of the book focuses on water use, demand management and the infrastructure required to manage water. Consideration is also given to the tools needed for planning, including economics and computer modelling. This book is aimed at a postgraduate level, suitable for students in water engineering and science. It will also serve as a reference for practitioners concerned with water resources and water supply.

Prefacep. i
Water, a Multi-Dimensional Resourcep. 1
Introductionp. 1
Water resources planningp. 4
Multi- dimensional managementp. 5
The age of manp. 8
Stressp. 10
International policyp. 14
Climate changep. 16
The oceansp. 18
Referencesp. 19
Water Resources Assessmentp. 21
Introductionp. 21
Network designp. 22
Streamflow gaugingp. 27
Weir designp. 28
Gaugesp. 32
Current gaugingp. 33
Salt dilutionp. 35
Hydrological modellingp. 36
Referencesp. 38
Drought Managementp. 41
Definition of droughtp. 41
Reservoir yield analysisp. 42
Definitionsp. 43
Mass flow methodsp. 44
Simulation of reservoir operationp. 45
Storage-draft-frequency analysisp. 46
Operating rulesp. 48
Probability matrix methodsp. 50
Mutually Exclusive Modelp. 50
Queuing theoryp. 54
Conjunctive use of alternative sourcesp. 57
Artificial rechargep. 59
Case studyp. 62
Referencesp. 63
Flood Managementp. 65
Factors affecting floodingp. 65
Flood calculationsp. 66
Hazard assessmentp. 68
Analysis of rainfall depth, duration and frequencyp. 70
Indices of flood magnitudep. 71
Probabilityp. 71
Rainfallp. 73
Flood parametersp. 73
Flood managementp. 74
Reservoir routing methodsp. 79
Flood risk analysisp. 82
Flood plain managementp. 83
Hazards associated with floodingp. 84
Integrated flood plain managementp. 84
Alternative planning zonesp. 86
Warning systemsp. 87
Referencesp. 88
Effects of Catchment Development on Runoffp. 89
Effects of urbanisationp. 89
Stormwater managementp. 90
Effects on recurrence intervalp. 93
Case studiesp. 95
Example: Calculation of peak runoff for various conditionsp. 97
Detention storagep. 104
Channel storagep. 105
Town planningp. 109
Water qualityp. 109
Referencesp. 111
Groundwaterp. 113
The extent of groundwaterp. 113
Flow of groundwaterp. 115
Groundwater parameterp. 117
Ground water and well hydraulicsp. 119
Steady radial flow to a wellp. 119
Unsteady radial flow to a wellp. 120
Groundwater modellingp. 121
Groundwater pollutionp. 123
Dispersionp. 126
Finite difference solutionp. 129
Groundwater protectionp. 130
Referencesp. 131
Water Quality and the Environmentp. 133
Water pollutionp. 133
Public healthp. 134
Water quality standardsp. 135
Stormwater pollutionp. 136
Eutrophication of receiving watersp. 139
Mass balancep. 140
Mixed and plug flowp. 140
Systems analysisp. 144
Non-conservative parametersp. 144
Mass balance equation with non-conservativesp. 145
Oxygen balance in riversp. 147
Numeral methodsp. 149
Two-step methodp. 150
Demonstration of numerical inaccuracyp. 151
Implicit finite difference schemesp. 153
Soil erosionp. 154
Desertificationp. 156
Reservoir sedimentationp. 158
Environmental and social impact assessmentp. 160
Impacts on water and related sourcesp. 162
Impacts on land and related resourcesp. 164
Impacts on public healthp. 164
Socio-economic impactsp. 164
Impacts of damsp. 165
Referencesp. 165
Water Usep. 167
Domestic and urban usep. 167
Volumes requiredp. 169
Consumption patternp. 171
Water demand projectionsp. 171
Statistical analysisp. 172
Planning alternativesp. 175
Disruptionsp. 175
Hydro electric powerp. 176
Pumped storagep. 177
Energy calculationsp. 178
Examplep. 178
Development factorsp. 179
Economics of hydropower developmentp. 180
Machine selectionp. 181
Small hydrop. 183
Irrigationp. 187
Impact of irrigationp. 187
Irrigation technologyp. 190
Water requirementsp. 192
Factors and objectives in the selection of emittersp. 194
Passive usep. 195
Referencesp. 195
Demand Managementp. 197
Balancing supply and demandp. 197
Economic theory of supply and demandp. 199
Effect of meteringp. 201
Management by use of tariffsp. 201
Timingp. 203
Long-term (planning and design)p. 203
Operational time-framep. 204
Crisis managementp. 206
Notes on management by use of tariffsp. 207
The cost of waterp. 207
Future trendsp. 211
Economic value of waterp. 212
Loss controlp. 212
Water harvestingp. 215
Referencesp. 215
Hydraulic Structuresp. 217
The purpose of hydraulic structuresp. 217
Measurement structuresp. 218
Damsp. 220
Effects of construction of damsp. 223
Large damsp. 223
Problems associated with large damsp. 225
Dam constructionp. 227
Impacts during planning and constructionp. 228
Impacts in the catchmentp. 230
Building power lines, canals, roads, etc.p. 230
Impacts of reservoir managementp. 231
Impacts of supply of hydropowerp. 231
Water conduitsp. 232
Pipeline design (Stephenson, 1989)p. 233
Canalsp. 234
Environmental structuresp. 234
Hydraulic modelsp. 235
Model study of a drop inlet with air entrainmentp. 235
Model objectivesp. 237
Construction and testing of modelp. 238
Air entrainment down drop shaftp. 238
Comparison of air entrainment rate with theoryp. 241
Model scale effectp. 241
Referencesp. 242
Economics of Water Resources Developmentp. 243
Economic analysisp. 243
Definitionsp. 243
Resource evaluationp. 244
Present value analysisp. 245
Discount ratep. 245
Inflationp. 245
Taxationp. 246
Public projectsp. 247
Planning horizon and project lifep. 247
Risk and uncertaintyp. 248
Formula relating annual cash flow to present valuep. 249
Methods of project comparisonp. 249
Systems analysisp. 252
Financing water resources projectsp. 252
International funding agenciesp. 253
The World Bankp. 254
Investment experiencep. 255
Social impactp. 257
Technological impactp. 257
Environmental concernsp. 258
Sustainability of project benefitsp. 258
Socio-economicsp. 259
Health and wellbeingp. 259
Assessing social impactsp. 260
Referencesp. 264
Administration of Water Projectsp. 265
Planning processp. 265
Asset managementp. 266
Assetsp. 266
Public versus private managementp. 269
Life cycle costingp. 272
The life of a worksp. 273
Economic evaluationp. 274
Computationp. 275
Vulnerabilityp. 278
Riskp. 280
Effect of uncertainty in demand estimatesp. 282
Referencesp. 286
Computer Modelling and Optimizationp. 287
Types of modelsp. 287
Conceptual runoff modellingp. 288
Sub-catchment arrangementp. 289
Continuous simulationp. 289
Routing processp. 291
A continuous runoff modelp. 291
Rainfall-runoff simulationp. 294
Sediment yield calculationp. 294
Infiltration into the unsaturated zonep. 295
Applicationp. 296
Storage analysisp. 296
Multiple reservoirsp. 297
Water distribution systemsp. 298
Transportation programmingp. 299
Systems analysis techniquesp. 301
Economic policyp. 301
Linear programming by the Simplex methodp. 301
Decomposition of complex systemsp. 303
A planning modelp. 307
Solverp. 309
Computer packagesp. 310
Referencesp. 313
Subject Indexp. 315
Table of Contents provided by Ingram. All Rights Reserved.

ISBN: 9789058095732
ISBN-10: 9058095738
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 336
Published: 1st January 2003
Publisher: A A Balkema Publishers
Country of Publication: NL
Dimensions (cm): 25.4 x 17.78  x 1.91
Weight (kg): 0.77
Edition Number: 1