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Urban Growth in American Cities (Circular 1252)
use. It includes residential areas, commercial and industrial developments, transportation features, and institutions. Figure 1a. Landsat 5 TM false-color satellite image of the San Francisco Bay region, 1992. Figure 1b. Landsat 5 TM 1991 false-color satel...
The Digital Earth: Understanding Our Planet in the 21st Century
need it the most. This is known as precision farming, or "farming by the inch." The Way Forward We have an unparalleled opportunity to turn a flood of raw data into understandable information about our society and out planet. This data will include not only high...
Aerial Photographs and Satellite Images
and from those of some other Federal agencies. In addition, many images from such space programs as Landsat, begun in 1972, are held by the USGS. Most satellite scenes can be obtained only in digital form for use in computer-based image processing and...
Orbital Telescopes
Background Radiation Anisotropy Satellite/Satellite for Measurement of Background Anisotropy. To map the Cosmic Microwave Background anisotropies with improved sensitivity and angular resolution for a mission time of about 2 years. Succe...
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