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Glacial Geology: Ice Sheets and Landforms

£44.25

GLACIAL GEOLOGY: ICE SHEETS AND LANDFORMS

PAPERBACK by Bennett, Matthew M.; Glasser, Neil F.

£44.25

ISBN
9780470516911
IMPRINT
JOHN WILEY & SONS INC
 
 
EDITION
2ND EDITION
PUBLISHER
JOHN WILEY & SONS INC
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FORMAT
PAPERBACK
PAGES
400 pages
PUBLICATION DATE
28 JUL 2009

DESCRIPTION

The new Second Edition of Glacial Geology provides a modern, comprehensive summary of glacial geology and geomorphology. It is has been thoroughly revised and updated from the original First Edition. This book will appeal to all students interested in the landforms and sediments that make up glacial landscapes. The aim of the book is to outline glacial landforms and sediments and to provide the reader with the tools required to interpret glacial landscapes. It describes how glaciers work and how the processes of glacial erosion and deposition which operate within them are recorded in the glacial landscape. The Second Edition is presented in the same clear and concise format as the First Edition, providing detailed explanations that are not cluttered with unnecessary detail. Additions include a new chapter on Glaciations around the Globe, demonstrating the range of glacial environments present on Earth today and a new chapter on Palaeoglaciology, explaining how glacial landforms and sediments are used in ice-sheet reconstructions. Like the original book, text boxes are used throughout to explain key concepts and to introduce students to case study material from the glacial literature. Newly updated sections on Further Reading are also included at the end of each chapter to point the reader towards key references. The book is illustrated throughout with colour photographs and illustrations.

CONTENTS

Preface ix Acknowledgements xi Illustrations xiii Chapter 1: Introduction 1 1.1 What is Glacial Geology and Why is it Important? 1 1.2 The Aim and Structure of this Book 6 Chapter 2: Glaciations Around The Globe 7 2.1 The Antarctic Ice Sheet 7 2.2 Greenland in the Greenhouse 15 2.3 Southern Hemisphere Temperate Glaciers: Patagonia and New Zealand 17 2.4 Northern Hemisphere Temperate Glaciers: Alaska and Iceland 21 2.5 High-Altitude Glaciers: The Himalaya 22 2.6 Tropical Glaciers: The Cordillera Blanca, Peru 26 2.7 Arctic Polythermal Glaciers 29 2.8 Summary 33 Suggested Reading 33 Chapter 3: Mass Balance and the Mechanisms of Ice Flow 41 3.1 Annual Mass Balance 41 3.2 The Mass Balance Gradient: The Glacial Driving Mechanism 44 3.3 Mechanisms of Ice Flow 47 3.4 The Principles of Basal Thermal Regime 55 3.5 Patterns and Rates of Ice Flow 63 3.6 Glacier Response to Climate Change 69 3.7 Summary 76 Suggested Reading 76 Chapter 4: Glacier Hydrology 81 4.1 Glacier Hydrology 81 4.2 Sources of Glacial Meltwater 82 4.3 Storage of Water in Glaciers 83 4.4 Methods of Studying Glacier Hydrology 84 4.5 Glacier Hydrological Systems 86 4.6 Subglacial Water Pressure 90 4.7 Discharge Fluctuations 97 4.8 Glacial Meltwater Erosion 102 4.9 Summary 104 Suggested Reading 104 Chapter 5: The Processes of Glacial Erosion 109 5.1 Glacial Abrasion 109 5.2 Glacial Quarrying 117 5.3 Estimating Rates of Glacial Erosion 125 5.4 Patterns of Glacial Erosion 128 5.5 Summary 131 Suggested Reading 131 Chapter 6: Landforms of Glacial Erosion 135 6.1 Microscale Features of Glacial Erosion 135 6.2 Mesoscale Features of Glacial Erosion 147 6.3 Macroscale Features of Glacial Erosion 157 6.4 Landscapes of Glacial Erosion 174 6.5 Summary 179 Suggested Reading 179 Chapter 7: Glacial Debris Entrainment and Transport 185 7.1 High-Level Debris Transport 185 7.2 Debris Entrainment 190 7.3 Low-Level Debris Transport 193 7.4 Debris Transfer Between Low and High Levels 197 7.5 Debris Transfer 198 7.6 Summary 202 Suggested Reading 203 Chapter 8: Glacial Sedimentation on Land 207 8.1 Direct Glacial Sedimentation 207 8.2 Fluvial Sedimentation 235 8.3 Summary 243 Suggested Reading 244 Chapter 9: Landforms of Glacial Deposition on Land 247 9.1 Ice-Marginal Moraines 247 9.2 Subglacial Landforms Formed by Ice or Sediment Flow 268 9.3 Glaciofluvial Ice-Marginal Landforms 289 9.4 Glaciofluvial Subglacial Landforms 296 9.5 Summary 299 Suggested Reading 299 Chapter 10: Glacial Sedimentation in Water 305 10.1 Sedimentation in Lacustrine Environments 305 10.2 Sedimentation in Marine Environments 315 10.3 Distinguishing Glaciolacustrine and Glaciomarine Diamicts from Glacial Tills 324 10.4 Summary 325 Suggested Reading 325 Chapter 11: Landforms of Glacial Deposition in Water 329 11.1 Glaciolacustrine Landforms 330 11.2 Glaciomarine Landforms 336 11.3 Summary 343 Suggested Reading 343 Chapter 12: Palaeoglaciology 347 12.1 The Methods Used in Palaeoglaciology 347 12.2 The Key Landforms Used in Palaeoglaciology 353 12.3 Former Subglacial Thermal Regimes 358 12.4 Palaeoglaciological Reconstructions 367 12.5 Summary 370 Suggested Reading 372 Index 377