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RECORD NUMBER: 26 OF 60

OLS Field Name OLS Field Data
Main Title Estimating Plume Dispersion: A Comparison of Several Sigma Schemes.
Author Irwin, J. S. ;
CORP Author Environmental Sciences Research Lab., Research Triangle Park, NC.
Year Published 1983
Report Number EPA-600/J-82-107;
Stock Number PB84-142306
Additional Subjects Sigma phases ; Sites ; Sampling ; Field tests ; Air pollution ; Concentration(Composition) ; Chimneys ; Graphs(Charts) ; Comparison ; Wind(Meteorology) ; Reprints ; Gaussian plume models ; Atmospheric dispersion ; Air pollution sampling ; Tracer techniques
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NTIS  PB84-142306 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 26p
Abstract The lateral and vertical Gaussian plume dispersion parameters are estimated and compared with field tracer data collected at 11 sites. The dispersion parameter schemes used in this analysis include Cramer's scheme, suggested for tall stack dispersion estimates, Draxler's scheme, suggested for elevated and surface releases, Pasquill's scheme, suggested for interim use in dispersion estimates, and the Pasquill-Gifford scheme using Turner's techniques for assigning stability categories. The schemes suggested by Cramer, Draxler and Pasquill estimate the dispersion parameters using onsite measurements of the vertical and lateral wind-velocity variances at the effective release height. The performances of these schemes in estimating the dispersion parameters are compared with that of the Pasquill-Gifford scheme, using the Prairie Grass and Karlsruhe data.
Supplementary Notes Pub. in Jnl. of Climate and Applied Meteorology, v22 n1 p92-114 Jan 83.
NTIS Title Notes Journal article.
Title Annotations Reprint: Estimating Plume Dispersion: A Comparison of Several Sigma Schemes.
PUB Date Free Form 1983
Category Codes 13B; 68A
NTIS Prices PC A03/MF A01
Primary Description 600/09
Document Type NT
Cataloging Source NTIS/MT
Control Number 409017923
Origin NTIS
Type CAT