Soil Physics : An Introduction book cover
1st Edition

Soil Physics
An Introduction

ISBN 9781439888421
Published November 26, 2013 by CRC Press
478 Pages 201 B/W Illustrations

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Book Description

Designed for undergraduate and graduate students, this book covers important soil physical properties, critical physical processes involving energy and mass transport, movement and retention of water and solutes through soil profile, soil temperature regimes and aeration, and plant-water relations. It includes new concepts and numerical examples for an in depth understanding of these principles. The book provides readers with clear coverage of how and why water and solute flow through the soil and details how various factors influence the flow. It includes guidance on the use of the existing public domain computer models.

Table of Contents

Introduction to Soil Physics
Importance of Soil Physics
Interactions of Soil Physics with Other Disciplines
Soil Physics, Soil and Environmental Quality, and Quality of Life
Soil Physics and Climate Change
Soil Physics Curriculum
Units and Dimensions
Definitions of Unit and Dimension
Systems of Units
Nondimensional Quantities
Deriving Units of Physical Quantities
Use of Units and Dimensions
Unit Conversions
Characteristics of Soils of the Vadose Zone
Soil Formation
Soil Profile
Soil Texture
Soil Separates
Methods for Particle Size Measurement
Particle Shapes
Properties of Clay Particles
Physical Properties of Soil
K14069_C000.indb 5 7/17/2013 6:35:20 PMvi Contents3.10 Soil Structure
Sampling Concepts and Designs
Representative Elementary Volume
Sample Size
Sampling Designs
Practical Aspects of Soil Sampling
Spatial Variability of Vadose Zone Properties
Sources of Variability
Scale of Variability
Statistical Evaluations
Influence of Sample Support
Influence of Measurement Device
Influence of Land Use
Statistical Analysis
Geostatistical Analysis
Semivariogram Functions
Fundamentals of Hydrology
Hydrologic Cycle
Components of Hydrologic Cycle
Water Balance
Rainfall Runoff Relationships
Properties of Water
Properties of Water
Forces on Water Molecules
Contact Angle
Empirical Approach
Importance of Capillarity
Water in the Vadose Zone
Soil-Water Content
Soil-Water Content Measurement Methods
Direct Methods
Indirect Methods
Energy State of Soil Water
Definitions and Components of Soil-Water Potential
Soil-Water Potential Measurement Devices
Total Soil-Water Potential under Different Conditions
Soil-Water Retention
Soil-Water Retention Models
Hysteresis Phenomenon
Flow through the Vadose Zone
Laws Governing Flow through Saturated Porous Media
Saturated Hydraulic Conductivity
Laws Governing Flow through Unsaturated Porous Media
Unsaturated Hydraulic Conductivity Measurement
Soil Water Diffusivity Measurement
Flow through Layered System
Models for Simulating Flow through Soil System
Water Infiltration into the Vadose Zone
Process of Infiltration
Measurement of Infiltration
Factors Affecting Infiltration Rate
1Infiltration Models
1Water Redistribution
Energy Flow through the Vadose Zone
Energy Balance of Soil
Factors Affecting Energy Balance
Heat Flow Processes
Heat Flux through Soil
Heat Conservation Equation
1Measurement of Thermal Properties
Soil Temperature
Effects of Soil Temperature
Soil Temperature Variations
Mathematical Representation
Management of Soil Temperature
Evaporation from Soil
Evaporation from Different Water Bodies
Evaporation Processes
Stages of Evaporation
Steady-State Evaporation
Transient-State Evaporation
Soil Water Redistribution during Evaporation
Vapor Flow through Soil
Control of Evaporation
Measurement of Evapotranspiration
Root Water Uptake
Root Water Uptake Models
Microscopic Root Water Uptake Model
Macroscopic Type I Root Water Uptake Model
Macroscopic Type II Root Water Uptake Model
Airflow through the Vadose Zone
Soil Gas Content
Factors Affecting Soil Air Composition
Air Flow through Soil
Air Flow Mechanisms through Soil
Air-Filled Porosity Measurement through Soil
Air Permeability
Chemical Transport through the Vadose Zone
Types of Solutes
Related Terminology
Pore Water Velocity
Solute Conservation Equation
Solute Transport Processes
Fick’s Law
Solute Movement
Solute Breakthrough Curve
Interpretations from Breakthrough Curves
Equilibrium Convective Dispersion Equation
Solute Transport Equation under Physical Nonequilibrium
Solute Transport Equation under Chemical Nonequilibrium
Effect of Pore Water Velocity on Solute Transport Parameters
Parameter Estimation
Transport of Reactive Solutes
Modeling Flow through the Vadose Zone Using HYDRUS-1DModel
Installation of the HYDRUS-1D
HYDRUS-1D Tutorial
Flow through the Vadose Zone Using RZWQM
Installation of the RZWQM2 Model
RZWQM2 Tutorial
Working with the RZWQM2 Project
Working with the RZWQM2 Scenario
Scenario Comparisons

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"This book updates the always emerging list of topics in soil physics for undergraduate and graduate students. ... Certainly, this new book is not only a helpful source for students to develop knowledge in Soil Physics but also for scientists whose background is in the related soil sciences and agronomic disciplines, in hydrology, climatology, geology, biology, plant sciences and even spatial statistics and for all those who appreciate the benefits for their own disciplines resulting from knowing and applying soil physical concepts. This book reaches out to all these related disciplines to stimulate multidisciplinary research and to build knowledge from integrated approaches."
—Ole Wendroth, University of Kentucky

"This new soil physics textbook takes a refreshing approach in that it covers a variety of topics that should be appealing to scientists and engineers interested in water flow, heat flow, air flow, and chemical transport in soils. It has also incorporated soil sampling techniques and soil spatial and temporal variability. The fundamentals of flow and transport are well covered. In addition, the book presents several computer models involving flow and transport and it contains many examples and problems. This latest textbook makes a welcome addition to the already available textbooks in soil physics."
—Jacob Dane, Auburn University

"The book is a comprehensive overview of all relevant topics related to processes in soil. It accounts for new developments in teaching and brings in new research findings as well. The undergraduate and graduate students are guided through the basics of soil science to field investigations and simulation applications. To cover soil physics in one book justifies the volume of 445 pages, but since the book is written in a good readable style students would perhaps like to read even more."
––Willibald Loiskandl,
University of Natural Resources and Life Sciences, Vienna

"This book provides an excellent coverage of soil physical processes ranging from fundamentals of process description to some of the advanced experimental and modeling techniques. This systematically organized e-book serves as a good reference for undergraduate and graduate students, as well as practitioners engaged in soil and water resources"
—Binayak Mohanty, Texas A&M University

"… Dr. Shukla presents the reader with an introduction to the soil physical principles that come to bear in such an integrated scientific approach, as well as introducing us to applications by way of various available state-of-the-art models, in a hydrologic context. As expected when taking such a broad approach, much of the relevant material will have to be borrowed from materials by others. Dr. Shukla is to be commended for putting such diverse material together in a comprehensive text.
—Jan W Hopmans, University of California

"… a useful source of information for researchers or practitioners in such subjects as civil engineering, water resources (including irrigation) planning, and ecological conservation. It makes a welcome link to hydrology and the area of land–surface–atmosphere exchange, and as a result is rather different from other available texts on soil physics, but the coverage of these topics could have been much more complete and accurate. … carefully laid out and provides a very comprehensive and generally well-structured overview of all processes … Would I recommend this book to my students or scientists and practitioners in my network? I most certainly would"
—A. Verhoef, in the European Journal of Soil Science, July 2014