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monitoring the vernal advancement and retrogradation (green wave effect) of natural vegetationThe author has identified the following significant results. The asserted homogeneity of the Great Plains Corridor was established, as evidenced from test site characteristic determinations. First-look visual analysis of ERTS-1 black and white images reveals the ability to locate network test sites. Geological formations associated with major vegetation types are readily apparent on the imagery. Grasslands are readily distinguishable from forested and cropped areas. Under magnification, pastures as small as five to ten acres can be recognized in areas of contrasting vegetation. Bodies of water (rivers, lakes, and large farm ponds) are easily located on bands 6 and 7. Urban areas and major highways are also easily observed and useful as landmarks.
Document ID
19730009607
Document Type
Contractor Report (CR)
Authors
Rouse, J. W., Jr.
(Texas A&M Univ. College Station, TX, United States)
Date Acquired
September 2, 2013
Publication Date
November 27, 1972
Subject Category
GEOPHYSICS
Report/Patent Number
NASA-CR-130385
PR-1
E73-10302
Funding Number(s)
CONTRACT_GRANT: NAS5-21857
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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