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Urban_Growth_Portland_Oregon.ogv (Ogg Theora video file, length 1 min 44 s, 352 × 240 pixels, 1.37 Mbps, file size: 16.99 MB)
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Summary
| Description |
English: Using the Landsat satellite, scientists are able to study the urban sprawl of major cities. Red dots in these images indicate areas of growth between 1986 and 1996.
Starting with a view of the Portland, Oregon, vicinity. Red dots appear showing the areas where growth has occurred between 1986 and 1996. |
| Date | |
| Source | http://svs.gsfc.nasa.gov/vis/a000000/a001000/a001043/a001043.mpg |
| Author | Stuart A. Snodgrass for NASA |
Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:06, 9 January 2009 | 1 min 44 s, 352 × 240 (16.99 MB) | Peregrine Fisher | {{Information |Description={{en|1=Using the Landsat satellite, scientists are able to study the urban sprawl of major cities. Red dots in these images indicate areas of growth between 1986 and 1996. Starting with a view of the Portland, Oregon, v |
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