NDLI: The erts-1 investigation (er-600). volume 6: erts-1 signature extension analysis, july 1972 - june 1973

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The erts-1 investigation (er-600). volume 6: erts-1 signature extension analysis, july 1972 - june 1973

Content Provider	NASA Technical Reports Server (NTRS)
Author	Erb, R. B.
Copyright Year	1974
Description	Feature classification, spatially and temporally, was extended over the Houston test site area. The Earth Resources Technology Satellite (ERTS-1) multispectral scanner data from August, September, and October 1972, of five widely separated lakes were used as statistical training fields and test sites. Short term temporal (same day to 36 days) and moderately long term spatial (within and between three ERTS multispectral scanner frames) signature extensions have been verified with respect to large relatively homogeneous features. The most significant feature dependent variable affecting spatial and short term extension was water turbidity. Long term signature extension will require a model to compensate or modify the ERTS-1 multispectral scanner data for significant sun angle changes. The presence of atmospheric haze changed the absolute signature but always by approximately the same amount so that the measured water signature was always the same. The normally occurring variations in atmospheric haze conditions had no major effect on the water signatures in this study.
File Size	37775378
Page Count	89
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19760004450
Archival Resource Key	ark:/13960/t0qr9kr06
Language	English
Publisher Date	1974-06-01
Access Restriction	Open
Subject Keyword	Earth Resources And Remote Sensing Atmospheric Effects Multispectral Band Scanners Spectral Signatures Photointerpretation Landsat 1 Pattern Recognition Signature Analysis Satellite-borne Photography Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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