LANDSAT inventory of surface-mined areas using extendible digital techniques
Technical Report
·
OSTI ID:7331534
Multispectral analysis of LANDSAT imagery provides a rapid and accurate means of identification, classification, and measurement of strip-mined surfaces in Western Maryland. Four band analysis allows distinction of a variety of strip-mine associated classes, but has limited extendibility. A method for surface area measurement of strip mines, which is both geographically and temporally extendible, was developed using band-ratioed LANDSAT reflectance data. The accuracy of area measurement by this method, averaged over three LANDSAT scenes taken between September 1972 and July 1974, is greater than 93%. Total affected acreage of large (50 hectare/120 acre) mines can be measured to within 1.0%. (Author) (GRA)
- Research Organization:
- National Aeronautics and Space Administration, Greenbelt, Md. (USA). Goddard Space Flight Center
- OSTI ID:
- 7331534
- Report Number(s):
- N-75-33486; NASA-TM-X-70978; X-900-75-165
- Country of Publication:
- United States
- Language:
- English
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