Main Title |
Tracer Studies of Transport and Transformation in Cumuli. |
Author |
Stith, J. L. ;
Alkezweeny, A. J. ;
Burrows, D. A. ;
|
CORP Author |
North Dakota Univ., Grand Forks. Dept. of Atmospheric Sciences.;Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab. |
Publisher |
Aug 95 |
Year Published |
1995 |
Report Number |
EPA-CR-816010-10-0; EPA/600/R-95/117; |
Stock Number |
PB95-255717 |
Additional Subjects |
Cumulus clouds ;
Tracer studies ;
Air pollution dispersion ;
Aerosols ;
Ozone ;
Carbon dioxide ;
Trace gases ;
Ecological concentration ;
Environmental transport ;
Transport properties ;
Air pollution monitoring ;
Atmospheric diffusion ;
Turbulence ;
Wind(Meteorology) ;
Cloud physics ;
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB95-255717 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
75p |
Abstract |
Airborne measurements near Champaign, Illinois and Milwaukee, Wisconsin were made during the summers of 1990 and 1992. Measurements of the aerosol size distribution, wind, turbulence, cloud microphysics and trace gas measurements were collected from 31 research flights. The main objectives was to document transport and transformation by cumuli, but data on out of cloud transformation processes were also collected. The results from the entrainment experiments suggested that, during the early stages of entrainment the tracer remained mostly out the cloud and was carried alongside the upper cloud regions by the circulation present there. Later, the tracer mixed into the main portion of the turrents and rapidly diluted. The observations are consistent with the hypothesis that entrainment occurs through a vortex-like circulation that brings air from just above the rising cloud top into the central region of the cloud. |
Supplementary Notes |
Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab. |
Category Codes |
68A; 55B; 55E; 91A |
NTIS Prices |
PC A04/MF A01 |
Primary Description |
600/09 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
530502000 |
Origin |
NTIS |
Type |
CAT |