Hydrogeology And Groundwater Modeling, 2nd Edition

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• Illustrates porous media and groundwater flow with more than 30 photographs of geologic and hydrogeologic features • Includes detailed explanations of groundwater modeling principles • Presents tables of hydrogeologic parameters of flow, fate, and transport, allowing speedy access to values needed for calculations • Provides figures of model setup and model results that let you visualize spatial groundwater model design and output • Covers the modeling of groundwater flow as well as the fate and transport of contaminants • Demonstrates the application of theoretical equations to real-world problem solving with step-by-step numeric examplesCoupling the basics of hygrogeology with analytical and numerical modeling methods, Hydrogeology and Groundwater Modeling, Second Edition provides detailed coverage of both theory and practice. Written by a leading hydrogeologist who has consulted for industry and environmental agencies and taught at major universities around the world, this unique book fills a gap in the groundwater hydrogeology literature. With more than 40 real-world examples, the book is a source for clear, easy-to-understand, and step-by-step quantitative groundwater evaluation and contaminant fate and transport analysis, from basic laboratory determination to complex analytical calculations and computer modeling. It provides more than 400 drawings, graphs, and photographs, and a variety of useful tables of all key groundwater parameters, as well as lucid, straightforward answers to common hydrogeological problems. Reflecting nearly ten years of new scholarship since the publication of the bestselling first edition, this second edition is wider in focus with added and updated examples, figures, and problems, yet still provides information in the author's trademark, user-friendly style. No other book offers such carefully selected examples and clear, elegantly explained solutions. The inclusion of step-by-step solutions to real problems builds a knowledge base for understanding and solving groundwater issues. Subjects of the book : Earth Sciences Hydrogeology Contents of the book : PART ONE: BASIC CONCEPTS IN HYDROGEOLOGY AND GROUNDWATER MODELINGINTRODUCTIONGROUNDWATERHydrologic Cycle and GroundwaterPorosity and Effective PorosityPrinciples of Groundwater FlowFlow in Unsaturated ZoneAQUIFERS AND AQUITARDSDefinition, Recharge and Discharge AreasAquifer Transmissivity and StorageTypes of AquifersAquifer Parameters and Methods of DeterminationAnalysis of Aquifer Pumping Test ResultsAquifer Recharge and SustainabilityManaged Aquifer Recharge (MAR) and Aquifer Storage and Recovery (ASR)Springs and Spring DevelopmentUnderground DamsCompetent and Leaky AquitardsSurface Water - Groundwater InteractionsGROUNDWATER EXTRACTIONVertical WellsCollector Wells and Horizontal WellsInfiltration Galleries and DrainsSource Water Protection ZonesGROUNDWATER CHEMISTRYSolubility, Water Chemistry Units, ReactionsNatural Groundwater Constituents and Their Relation to Geologic MediaGROUNDWATER CONTAMINATIONRegulatory OverviewSources of Contamination and Groundwater ContaminantsDrinking Water StandardsEmerging ContaminantsFATE AND TRANSPORT OF CONTAMINANTSFree Phase and Residual Phase ContaminationDissolved Phase ContaminationDispersion, Diffusion, Sorption, DegradationGROUNDWATER MODELINGTypes of Groundwater ModelsNumeric Model SetupModel Calibration and Sensitivity AnalysisModel ErrorModel Results and PredictionModel VerificationModel DocumentationStandards for Groundwater ModelingPART TWO: SOLVED PROBLEMS IN HYDROGEOLOGY AND GROUNDWATER MODELINGPOROSITY AND RELATED PARAMETERSPorosity, Effective Porosity, SaturationLABORATORY METHODS FOR DETERMINING HYDRAULIC CONDUCTIVITYConstant Head PermeameterFalling Head PermeameterGrain Size AnalysisONE-DIMENSIONAL STEADY STATE FLOWConfined Homogeneous AquiferConfined Heterogeneous AquiferConfined One-Dimensional Steady State Flow, Aquifer with ForksConfined One-Dimensional Flow, Aquifer with Varying ThicknessUnconfined Homogeneous Aquifer with and without Infiltration, Drainage GalleryONE-DIMENSIONAL TRANSIENT FLOWSudden Change at the Boundary, Aquifer ParametersGradual Linear Change at the Boundary, Infiltration RateTWO-DIMENSIONAL STEADY-STATE FLOW (FLOW NETS) Construction and Characteristics of Flow Nets, Groundwater Flow RateGroundwater Contour Maps, Influence of Surface StreamsKrigingFlow Nets in Heterogeneous Aquifers, Refraction of Streamlines, Groundwater VelocitySTEADY STATE FLOW TO WATER WELLSConfined AquiferUnconfined AquiferUnconfined Aquifer with InfiltrationConfined-Unconfined Aquifer TransitionWells near BoundariesTRANSIENT FLOW TO WATER WELLSConfined, Non-Leaky AquiferApplications of the Theis EquationMethod of RecoveryLeaky Confined AquiferUnconfined Aquifer with Delayed Gravity ResponseSlug Test, Bouwer and Rice MethodEXTRACTION WELL DESIGN AND ANALYSISGravel Pack SizeThree-Step Pumping Test, Well Specific Capacity, Loss, EfficiencyRadius of Well InfluenceSPRING FLOW AND STREAM BASE FLOWRecession (Baseflow) AnalysisHydrochemical Separation of Spring HydrographGROUNDWATER FLOW MODELINGThree-Layer ModelONE-DIMENSIONAL ANALYTICAL FATE AND TRANSPORT MODELSDissolved Contaminant Concentrations in Time and SpaceCONTAMINANT FATE AND TRANSPORT PARAMETERS Use of DispersionUse of Sorption (Retardation) and Sequential DegradationCONTAMINANT FATE AND TRANSPORT MODELINGPlume Migration and ContainmentReferences Appendix A: Unit Conversion TablesAppendix B: Basic Mathematical ExpressionsAppendix C: Porosity ValuesAppendix D: Tables of Well and Other FunctionsIndex