Document Detail

Color of smoke from brush fires.
MedLine Citation:
PMID:  19037335     Owner:  NLM     Status:  MEDLINE    
Smoke clouds from brush fires usually appear reddish or brownish when viewed from below in transmission, while a thin smoke cloud or part of a thick cloud near its periphery is noticeably bluish. Yet, when viewed from above in backscatter, the smoke appears bluish-white. We present observations of smoke clouds and explain their varied colors using a simple one-dimensional two-stream multiple scattering/absorbing radiative transfer approach for a model cloud whose particles are much smaller than the wavelength of visible light, the Rayleigh limit. The colors are purely the result of Rayleigh scattering and are not significantly influenced by the intrinsic color (wavelength-dependent albedo) of the particles.
David K Lynch; Lawrence S Bernstein
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Applied optics     Volume:  47     ISSN:  1539-4522     ISO Abbreviation:  Appl Opt     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-11-27     Completed Date:  2009-01-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  H143-8     Citation Subset:  IM    
Thule Scientific, 22914 Portage Circle Drive, Topanga, California 90290, USA.
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MeSH Terms
Color Perception*
Reproducibility of Results
Scattering, Radiation
Reg. No./Substance:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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