NDLI: Evaluation of skylab (erep) data for forest and rangeland surveys. [georgia, south dakota, colorado, and california

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Evaluation of skylab (erep) data for forest and rangeland surveys. [georgia, south dakota, colorado, and california

Content Provider	NASA Technical Reports Server (NTRS)
Author	Greentree, W. J. Driscoll, R. S. Dana, R. W. Weber, F. P. Waite, T. H. Roberts, E. H. Francis, R. E. Norick, N. X.
Copyright Year	1975
Description	The author has identified the following significant results. Four widely separated sites (near Augusta, Georgia; Lead, South Dakota; Manitou, Colorado; and Redding, California) were selected as typical sites for forest inventory, forest stress, rangeland inventory, and atmospheric and solar measurements, respectively. Results indicated that Skylab S190B color photography is good for classification of Level 1 forest and nonforest land (90 to 95 percent correct) and could be used as a data base for sampling by small and medium scale photography using regression techniques. The accuracy of Level 2 forest and nonforest classes, however, varied from fair to poor. Results of plant community classification tests indicate that both visual and microdensitometric techniques can separate deciduous, conifirous, and grassland classes to the region level in the Ecoclass hierarchical classification system. There was no consistency in classifying tree categories at the series level by visual photointerpretation. The relationship between ground measurements and large scale photo measurements of foliar cover had a correlation coefficient of greater than 0.75. Some of the relationships, however, were site dependent.
File Size	38237592
Page Count	274
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19760012424
Archival Resource Key	ark:/13960/t0ms8h74m
Language	English
Publisher Date	1975-12-01
Access Restriction	Open
Subject Keyword	Earth Resources And Remote Sensing Grasslands Forests South Dakota Deciduous Trees Multispectral Photography Conifers Skylab Program Mapping California Ground Truth Timber Inventory Land Use Data Bases Soils Photointerpretation Manitou Co Erep Rangelands Georgia 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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