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Deserts and Desert Environments

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ISBN-10: 157718033X

ISBN-13: 9781577180333

Edition: 2008

Authors: Julie J. Laity

List price: $81.95
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Providing a concise overview of drylands, including their physical, biological, temporal, and human components, this title examines the physical systems occuring in these environments including climate hydrology, past and present lakes, weathering, hillslopes, geomorphic surfaces, and more.
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Book details

List price: $81.95
Copyright year: 2008
Publisher: John Wiley & Sons, Incorporated
Publication date: 11/10/2008
Binding: Paperback
Pages: 368
Size: 7.54" wide x 9.70" long x 0.80" tall
Weight: 1.958

Preface
Introduction: Defining the Desert System
Defining the Desert System
Evolution of Deserts
Indices of Aridity
Desert Surfaces
Tectonically Stable and Unstable Deserts
Deserts of the Past
Changing Human Perspectives on Deserts
Deserts of the World
Introduction: the Extent of Global Aridity
Global Deserts
The Climatic Framework
Introduction: Classification of Deserts by Temperature
Weather Data
Atmospheric Controls: Surface Boundary Layer
Temporal and Spatial Variability of Climatic Influences
The Hydrologic Framework
Introduction
The Water Balance in Deserts
Water Budgets
Surface Runoff and Floods
The Chemical Quality of Surface and Soil Water
Water Resources
Case Study: the Waters of the Tigris-Euphrates Basin and the Impact of Modern Water Management
Lake Systems: Past and Present
Introduction to Desert Lakes
Types of Lake
Lakes of the Global Arid Environment
Weathering Processes and Hillslope Systems
Introduction
Weathering
Weathering Forms
Duricrusts
Desert Varnish
Hillslope Processes
Composite Surfaces (Pediments
Desert Soils and Geomorphic Surfaces
Introduction
The Nature of Soils in Arid and Semiarid Regions
Soil Description and Classification
Soil Characteristics of Arid Regions
Inorganic and Biological Soil Crusts
Spatial Heterogeneity in Soil Properties and the Ecohydrology of Patterned Vegetation Zones
Surface Volume Changes
Surface Types: Hamada and Stone Pavements
Water as a Geomorphic Agent
Introduction
Groundwater Sapping in Slope and Valley Development
Piping Processes in Channel and Slope Evolution
Fluvial Processes
Fluvial Landforms
Aeolian Processes
Introduction
Near-surface Flow
Wind Processes
Landforms of Accumulation: Sand Sheets, Zibar, and Sand Stringers
Landforms of Accumulation: Dunes
Ripples
Landforms of Aeolian Erosion and Desert Dust
Introduction
Deflation Features: Desert Depressions and Pans
Ventifacts
Yardangs and Ridge and Swale Systems
Desert Dust
Plant communities and their Geomorphic Impacts
Introduction: Characteristics of Desert Ecosystems
Adaptations to Desert Conditions
Plant Communities and Ecotones
Succession in Desert Plant Communities
Dune Communities
Vegetation Type and Density and Relationship to Geomorphic Processes
Animal Communities
Introduction: Environmental Requirements
Effects on Geomorphic Processes
Hydrologic Impacts
Effects of the Geomorphic Activity of Animals on Plant Communities
Desertification and the Human Dimension
Desertification: Introduction and Terminology
Climate Change and Desertification
Anthropogenic Causes of Desertification
Water Resources: a Rural and Urban Problem
Case Study: the Aral Sea
Discussion
Index