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Altitude determination and descriptive analysis of clouds on ERTS-1 multispectral photographyA simple method to determine the approximate altitude of clouds is described, with the objective of refining their classification using only marginal data from the photographs. Results of the application of this method on photographs of the Goajira Peninsula, Paraguana Peninsula and the Central Coast of Venezuela are presented. Here, the altitudes computed are used to classify clouds and to identify the genus of others without typical form. Instability of air masses through clouds vertical development, and wind direction as well as other local climatic characteristics such as moisture content, loci of condensation, area, etc. are determined using repetitive coverage for the time interval of the photography. Applications for the regional and urban planning (including airport location and flights schedule) and natural resources evaluation are suggested.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Albrizzio, C.
(Ministry of Public Works Caracas, Venezuela)
Andressen, A.
(Ministry of Public Works Caracas, Venezuela)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Publication Information
Publication: NASA. Goddard Space Flight Center 3d ERTS-1 Symp., Vol. 1, Sect. A
Subject Category
Report/Patent Number
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.
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