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from Space of the World's Continents
Mosaic images of entire continents can serve as benchmarks for monitoring global change.
Ahmed Mahmood et al.
Mapping a Shoreline by Laser Light
The days of collecting beach profile data solely in the field are gone. Now coastal geologists are looking to the skies, using a new radar tool to study changes to the shoreline over large areas.
James C. Gibeaut
28 Precision Agriculture:
Changing the Face of Farming
Commercial farms around the world are changing, and remote sensing is beginning to play a large role. A new suite of technologies promises to help farmers better manage their crops at the scale of individual fields.
Doug Rickman et al.
Civilian Agencies Implement the Bush Space Policy
In April, President Bush authorized a national policy establishing guidance for federal use of commercial satellite data. Civilian agencies must now examine their needs.
Ralph J. Thompson
56 GEOLOGIC COLUMN
2 From the Editor
4 Letters: Perspectives from readers
32 Where on Earth?
36 Profiles: Ed Roy
37 Benchmarks: Looking back in Geotimes
45 Classified Ads: Career Opportunities
55 Contributors Page
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Tracing the Navajo sandstone, p. 6