Groundwater hydraulics 067590310X, 6329561486, 0996530827

Table of contents :
Title Page......Page 2
Copyright......Page 3
Contents......Page 4
Preface......Page 6
1 Introduction......Page 8
2 Aquifer Hydraulics......Page 9
Optimum Location of a Well Near a Stream......Page 10
Introduction......Page 10
Semi-Infinite Aquifer Near a Stream With a Semipervious Bed......Page 11
Location and Magnitude of the Minimum Drawdown......Page 13
Comparison With the Effective Distance Concept......Page 16
Flow Nets......Page 17
Percentages of Flow Per Unit Reach......Page 24
Drawdown at the Interface......Page 25
Circular Island Surrounded by a Rim of Relatively Low-Permeability Materials......Page 26
Discussion......Page 29
Conclusions......Page 30
Appendix: Solution of Equation......Page 31
Notation......Page 32
References......Page 33
Analysis of Sedimentary Skeletal Deformation in a Confined Aquifer and the Resulting Drawdown......Page 35
Introduction......Page 35
Equation of Motion......Page 37
Uncoupling and Solving the Governing Equation......Page 50
Calculated Transient Drawdown......Page 69
Calculated Horizontal and Vertical Displacement......Page 76
Conclusions......Page 81
Notation......Page 83
References......Page 86
Averaged Regional Land Subsidence Equations for Artesian Aquifers......Page 89
Introduction......Page 89
Mass Conservation Equations......Page 93
Boundary Conditions on Top and Bottom of Aquifer Boundaries......Page 96
Integration Along the Thickness of a Confined Aquifer......Page 98
Subsidence in a Confined Aquifer......Page 99
The Integrated Mass Conservation Equation With a Three-Dimensional Displacement Field......Page 102
The Integrated Equilibrium Equations......Page 104
Example: Displacements due t o Pumping From a Single Well......Page 108
Summary and Conclusions......Page 109
Notation......Page 110
References......Page 112
Multiple-Well Systems in Layered Soils......Page 114
Introduction......Page 114
Equivalent Trench......Page 115
Circular Battery......Page 118
Rectilinear Battery......Page 119
Polygonal Battery......Page 120
Constant Drawdown......Page 122
Girinskii's Potential......Page 125
Battery of Well Points in Layered Soils......Page 127
Unsteady Flow......Page 127
Final Remarks......Page 128
Notation......Page 129
References......Page 130
Unsteady Drawdown in the Presence of a Linear Discontinuity......Page 131
Introduction......Page 131
Analysis......Page 132
Observation Well in Region 1......Page 137
Observation Well in Region 2......Page 141
Straight-Line Solution......Page 142
Application......Page 144
Conclusion......Page 147
Notation......Page 149
References......Page 151
Analysis of Constant Discharge Wells by Numerical Inversion of Laplace Transform Solutions......Page 152
Introduction......Page 152
Theory......Page 154
Numerical Inverter......Page 156
Application......Page 157
Discussion......Page 170
Conclusions......Page 172
Notation......Page 173
References......Page 174
Pumping Test Analysis in Fractured Aquifer Formations: State of the Art and Some Perspectives......Page 177
1. General Considerations About Aquifer Test Analysis......Page 177
2. Groundwater Flow Models in Fractured Formations......Page 178
3. Double-Porosity Models......Page 180
4. Single-Fracture Models......Page 190
5. Approximate Solutions for Double-Porosity Models......Page 193
6. Examples of Pumping Test Data Interpretation......Page 202
7. Conclusions......Page 209
Notation......Page 210
References......Page 211
Field Test for Effective Porosity and Dispersivity in Fractured Dolomite, the WIPP, Southeastern New Mexico......Page 213
Introduction......Page 213
H-2 Site Description......Page 214
Tracing Test Configuration......Page 216
Results and Interpretation of H-2 Recirculation Test 2......Page 222
Conclusions......Page 226
References......Page 227
Direct Calculation of Aquifer Parameters in Slug Test Analysis......Page 228
Introduction......Page 228
Theoretical Development......Page 228
Pumping Tests......Page 230
Slug Test......Page 232
Discussion......Page 237
Appendix A: Solution of the Drawdown Equation......Page 237
3 Heat Transport......Page 246
Pressure Transient Analysis for Hot Water Geothermal Wells......Page 247
Introduction and Background......Page 247
Hot Water Production and Radial Flow......Page 250
Hot Water Reservoir Production Behavior......Page 253
Cold Water Injection Into a Hot Water Well......Page 256
Conclusions......Page 259
References......Page 259
Aquifer Testing for Thermal Energy Storage......Page 261
Introduction......Page 261
Aquifer Hydraulic Testing......Page 262
Geochemical Testing......Page 286
Aquifer Thermodynamic Testing......Page 293
Summary and Conclusions......Page 295
References......Page 298
4 Modeling......Page 301
Analytical Groundwater Modeling With Programmable Calculators and Hand-Held Computers......Page 302
Introduction......Page 302
Available Models......Page 302
Simulation Techniques......Page 305
Programmable Calculators and Pocket Computers......Page 307
Conclusions......Page 314
Notation......Page 315
References......Page 315
Benito Chen and Ismael Herrera Instituto de Investigaciones en Matematicas Aplicadas y en Sistemas Universidad Nacional Autonoma de Mexico A.P.20-726, Mexico City, Mexico......Page 317
Introduction......Page 317
Preliminary Notions......Page 319
Approximation of the Apparent Storage Coefficient Sa......Page 323
Numerical Examples......Page 329
Notation......Page 329
References......Page 330
Groundwater Modeling of Detailed Systems Particularly in Fractured Rock......Page 332
Introduction......Page 332
Characteristics of Analog and Digital Techniques......Page 332
Development of a Hybrid System......Page 334
Illustrative Model......Page 339
Construction of the Model......Page 342
On the Formulation of Models Based on the Average Characteristics of a Heterogeneous Aquifer......Page 348
Introduction......Page 348
Basic Equations......Page 349
Discussion......Page 363
Summary and Conclusion......Page 367
Notation......Page 368
References......Page 370
A Galerkin-Finite Element Two-Dimensional Transport Model of Groundwater Restoration for the In Situ Solution Mining of Uranium......Page 372
Introduction......Page 372
Cation Exchange......Page 373
Contaminant Transport With Adsorption......Page 377
Numerical Solution......Page 382
Application to a Field Problem......Page 382
History of Grover Test Site......Page 384
Model Input Data and Calibration......Page 386
Discussion of Results......Page 392
Conclusion......Page 394
References......Page 395
A Unified Approach to Regional Groundwater Management......Page 396
Introduction......Page 396
Response Equations......Page 397
Confined or Leaky Aquifer System......Page 397
Unconfined Aquifer System......Page 398
Solution of the Response Equations......Page 399
The Planning Model......Page 401
Model Application......Page 402
Model Preliminaries......Page 406
Agricultural Production......Page 407
Model Results......Page 408
Conclusions......Page 409
References......Page 410
The Water Resources Monograph Series......Page 412