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AVHRR Image of the USA

Target Name:  Earth
Spacecraft:  NOAA-8, NOAA-9
Produced by:  USGS
Copyright: Copyright Free
Date Taken:  15 MAY 1986

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This image is a mosaic of the United States prepared by using 16 images from the Advanced Very High Resolution Radiometer (AVHRR) sensors on the meteorological satellites NOAA-8 and NOAA-9. The images were acquired between May 24, 1984 and May 14, 1986.

On false-color infrared mosaics, vegetation appears in various tones of red instead of green. The "redness" indicates vegetation density, type and whether growing on dry land or in a swamp (a mixture of reddish vegetation and dark blue surface water produces dark tones). Grasslands appear light red, deciduous trees and croplands appear red, and coniferous forests appear dark red or maroon. Desert areas appear white and urban areas (pavement and buildings) appear bluish green. Lakes, rivers and oceans appear in various shades of blue, dark blue for deep water and light blue for shallow or turbid water. Exposed bedrock generally appears as a dark bluish-green or other dark tone.

Copyright © 1995-2013 by Calvin J. Hamilton. All rights reserved.