Infiltration Theory for Hydrologic Applications

Häftad, Engelska, 2002

Del 15 i serien Water Resources Monograph

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Beskrivning

Published by the American Geophysical Union as part of the Water Resources Monograph Series, Volume 15.Here is your state-of-the-art guidebook through soil infiltration theory in response to hydrologic problems. By focusing on the theoretical basis of physically based infiltration functions and their application, Infiltration Theory for Hydrologic Applications presents an in-depth review of current issues and concerns. For scientists wishing concise and robust equations that can be applied in models for a variety of objectives.

Produktinformation

Utgivningsdatum:2002-01-01
Mått:154 x 230 x 11 mm
Vikt:308 g
Format:Häftad
Språk:Engelska
Serie:Water Resources Monograph
Antal sidor:222
Förlag:John Wiley & Sons Inc
ISBN:9780875903194

Utforska kategorier

Geologi inom Naturvetenskap och teknik
Tillämpad fysik inom Naturvetenskap och teknik

Mer om författaren

Roger E. Smith and Keith R. J. Smettem are the authors of Infiltration Theory for Hydrologic Applications, published by Wiley.

Innehållsförteckning

Preface vii1. Introduction 1Brief History 1Runoff Mechanisms 3Engineering and Scientific Approaches to Hydrology 4Objective and Scope of this Work 52. Basic Porous Media Hydraulics 7Capillary Properties of Soil Water 7Porous Media 9Darcy's Law 12Hydraulic Characteristics of Porous Media 13Steady Flow Soil Water Relations 14Functional Representation of Hydraulic Characteristics 183. Some Essentials of One-Dimensional Porous Media Dynamics 25Introduction 25Absorption: Gravity-Free Intake 27Infiltration: Vertical Flow 31Mathematical Approximations for Soil Water Flow 34Approximations for Soil Hydraulic Characteristics 364. A Realistic Integrable Nonlinear Model for Transient Unsaturated Flow 41Introduction 41Integrable Forms of Richards' Equation' 43Solution of Nonlinear Diffusion Equation 46Required Forms for Soil Characteristics 49Solution of the Integrable Form 55Discussion and Summary 605. Absorption and Infiltration Relations and the Infiltrability-DepthApproximation 63Introduction 63Absorption 65Infiltration 73Stability of Flux-ConcentrationR elation 856. Infiltrability Models: Comparisons and Application 97Introduction 97Timing of Pending 98Time Explicit Approximations 108Applying the Infiltrability Models to Variable Rainfall Patterns 1147. Applying Infiltration Models in Layered Soils and Redistribution Cases 119Introduction 119Redistribution and Reinfiltration 119Layered Soils 1228. Field Measurements of Infiltration Parameters 135Introduction 135Drip Infiltrometers 136Ring Infiltrometers 138Permeameters 1419. Infiltration and Runoff on a Hillslope 159Introduction 159General Surface Flow and Infiltration Interaction 160Effect of Surface Relief on Surface Water Losses 162Infiltration Heterogeneity and Runoff 164Appendices 185I. Derivation of the Infiltration Integral from Richards' Equation 185II. Attenuation of Characteristic Kinematic Shock in Soil Water Flow 187III. Finite Difference Solution Method for Richards' Equation 190List of Symbols and Abbreviations 199References 203Index 211