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Infrared radiation emerging from smoke produced by brush firesThe IR radiative transport properties of brush fire smoke clouds, computed for a model with finite horizontal dimensions as well as the more common plane-parallel model, are presented. The finite model is a three-dimensional version of the two-stream approximation applied to cubic clouds of steam, carbon, and silicates. Assumptions are made with regard to the shape and size distributions of the smoke particles. It is shown that 11.5-micron radiometry can detect fires beneath smoke clouds if the path integrated mass density of the smoke is less than or equal to 3 g/sq m.
Document ID
19810037529
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Weinman, J. A.
(Wisconsin Univ. Madison, WI, United States)
Olson, W. S.
(Wisconsin, University Madison, Wis., United States)
Harshvardhan, M.
(NASA Goddard Space Flight Center Greenbelt, Md., United States)
Date Acquired
August 11, 2013
Publication Date
January 15, 1981
Publication Information
Publication: Applied Optics
Volume: 20
Subject Category
Earth Resources And Remote Sensing
Accession Number
81A21933
Funding Number(s)
CONTRACT_GRANT: DAAG29-76-G-0109
CONTRACT_GRANT: NSG-5209
Distribution Limits
Public
Copyright
Other

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