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OLS Field Name OLS Field Data
Main Title Atmospheric Tracer Experiments in a Deep Narrow Valley.
Author Whiteman, C. D. ; Huber, A. H. ; Fisher, R. W. ; Zak, B. D. ;
CORP Author Battelle Pacific Northwest Labs., Richland, WA. ;Sandia National Labs., Albuquerque, NM.;Environmental Sciences Research Lab., Research Triangle Park, NC.
Year Published 1984
Report Number EPA/600/D-84/206;
Stock Number PB84-234590
Additional Subjects Air pollution ; Atmospheric diffusion ; Concentration(Composition) ; Plumes ; Transport properties ; Sulfur hexafluoride ; Colorado ; Meteorology ; Sampling ; Tracer studies ; Brush Creek Valley ; Air pollution sampling
Library Call Number Additional Info Location Last
NTIS  PB84-234590 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 8p
Abstract A set of three atmospheric tracer experiments was conducted in the Brush Creek Valley of western Colorado in the summer of 1982 as part of the U.S. Environmental Protection Agency Green River Ambient Model Assessment (GRAMA) program in conjunction with the U.S. Department of Energy's Atmospheric Studies in Complex Terrain (ASCOT) research program. Experiments were designed to determine how nighttime tracer concentrations on the valley floor and sidewalls arising from an elevated point source would change following sunrise during the temperature inversion break-up period. Many physical processes were observed in the tracer and meteorological experiments, including nocturnal down-valley plume transport and diffusion, post-sunrise CBL growth, fumigation of the elevated plume, upslope flow development within the CBL, subsidence over the valley center, and high post-sunrise concentration on the sidewall.
Supplementary Notes Prepared in cooperation with Sandia National Labs., Albuquerque, NM.
PUB Date Free Form Aug 84
Category Codes 13B; 68A
NTIS Prices PC A02/MF A01
Primary Description 600/09
Document Type NT
Cataloging Source NTIS/MT
Control Number 432822172
Origin NTIS
Type CAT