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Esri Press, 380 New York Street, Redlands, California 92373-8100 154413
Copyright 2017 Esri
All rights reserved. First edition 2017
Printed in the United States of America
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eISBN 9781589484894
Library of Congress has cataloged the print edition as follows:
Names: Green, Kass.
Title: Imagery and GIS : best practices for extracting information from imagery / Kass Green, Russell G. Congalton, and Mark Tukman.
Description: Redlands, California : Esri Press, [2017] | Includes bibliographical references and index.
Identifiers: LCCN 2017016441 | ISBN 9781589484542 (pbk. : alk. paper)
Subjects: LCSH: Remote sensing. | Geographic information systems. | Image processing.
Classification: LCC G70.4 .G743 2017 | DDC 621.36/78--dc23 LC record available at https://urldefense.proofpoint.com/v2/url?u=https-3A__lccn.loc.gov_2017016441&d=DwIFAg&c=n6-cguzQvX_tUIrZOS_4Og&r=RhmcbAxStnbJpr06ef1onNDeVX-gjVopdqeQ8i7DbIY&m=D46jekE3rLqAedyzhCR6CiiAjGL2PtB677NAry_6e8E&s=w10SupBXRhN_tmghKOJHZR5cg_2T3Fm6g8l3KW9nzM8&e=
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For
Gene Forsburg and Jack McDevitt
Janet and Robert Congalton
Mel and Lois Tukman
Contents
Acknowledgments
This book would not have been possible without the generous contributions of our colleagues who reviewed the text, permitted us to include their graphics, provided case studies, and offered valuable insights. In particular we would like to thank Maggi Kelly, Gerald Kinn, Jarlath ONeil-Dunne, and Cassandra Pallai. We would also like to express our gratitude to the Sonoma County Agricultural Preservation and Open Space District, and the California Department of Fish and Wildlifeour project with them has enriched this book with many real world examples. Esri personnel have made this book truly professional and we thank their editors, product managers, application developers, and graphic artists. We are especially grateful to Esris Claudia Naber, who shepherded the book from inspiration to completion, and Peter Becker whose commitment, persistent questions, and leadership continually raised our standards and improved the content. Finally, we thank our families whose patience and support gave us the freedom and energy to pursue our passion for imagery and to share it with others in this book.
Section 1
Discovering Imagery
Chapter 1
Introduction
Why Imagery and GIS?
Imageryit allures and fascinates us; its measurements inform us. It draws us in to explore, analyze, and understand our world. First comes the astonishment of its raw beautythe enormity of a hurricane, the stark glaciers in Greenland, the delicate branching of a redwoods lidar profile, a jagged edge of a fault line in radar, the vivid greens of the tropics, the determined lines of human impact, the rebirth of Mount Saint Helens forests, the jiggly wiggly croplands of Asia and Africa, the lost snows of Kilimanjaro. Each image entices us to discover more, to look again and again.
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