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NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance.

This study was jointly sponsored by the Environmental Systems Research Institute, National Aeronautics and Space Administration, National Imagery and Mapping Agency, National Oceanic and Atmospheric Administration, National Science Foundation, U.S. Agency for International Development, U.S. Department of State, and U.S. Geological Survey. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the authors and do not necessarily reflect the view of the organizations or agencies that provided support for this project.

International Standard Book Number: 0-309-08478-4

Library of Congress Control Number: 2002110505

Front cover: Left—a GeoCover-Ortho image of Mount Kilimanjaro originally obtained at 30 × 30 m spatial resolution. It has a positional accuracy of better than 50 m (root mean square error). Landsat TM bands 7,4,2 (mid-infrared, near-infrared, and green) are displayed (courtesy of Earth Satellite Corporation). Each color or shade is unique and depends on the vegetation type, health, and growth stage. The bright greens are dense vegetation. The purples and pinks are sparse to no vegetation. The bottom third center of the image along Mount Kilimanjaro’s lower slopes contains areas of clear cuts (in pinks) surrounded by uncut verdant forest (bright greens). The top of the mountain is snow-covered (blue) and the white areas are clouds. Upper Right—artist’s rendition of the Shuttle Radar Topography Mission 60-m (200-ft) mast being deployed from the space shuttle Endeavor (courtesy NASA Jet Propulsion Laboratory). Radar images are collected from the end of the mast and from the shuttle payload bay. Lower Right—paper maps used in decision support in Namibia (courtesy of Jo Tagg, Namibia Nature Foundation).

Cover designed by Van Nguyen

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