Main Title |
Review of the attributes and performance of six urban diffusion models |
Author |
White, F. D. ;
|
Other Authors |
|
CORP Author |
American Meteorological Society, Boston, MA.;Environmental Sciences Research Lab., Research Triangle Park, NC. |
Publisher |
Environmental Sciences Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency. |
Year Published |
1984 |
Report Number |
EPA/600/3-84/089; |
Stock Number |
PB84-236850 |
OCLC Number |
42268900 |
Subjects |
Air quality--United States ;
Air--Pollution--United States--Measurement
|
Additional Subjects |
Mathematical models ;
Urban areas ;
Atmospheric diffusion ;
Air pollution ;
Transport properties ;
Reviews ;
Sampling ;
Sites ;
Performance evaluation ;
Concentration(Composition) ;
Sulfur dioxide ;
Field tests ;
Meteorology ;
Air pollution sampling ;
State of the art
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
ESAD |
EPA 600-3-84-089 |
|
Region 10 Library/Seattle,WA |
09/10/1999 |
NTIS |
PB84-236850 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
99 p. : maps |
Abstract |
The American Meteorological Society conducted a scientific review of a set of six urban diffusion models. TRC Environmental Consultants, Inc. calculated and tabulated a uniform set of statistics for all the models. The report consists of a summary and copies of the three independent model reviews conducted to evaluate the models. General conclusions included: (1) all of the six models are very similar to each other and represent simple approximations of the urban diffusion situations in a given time period with no horizontal variability of the boundary layer structure or depth; (2) none of the models can be considered state-of-the-art since a great deal has been learned about the planetary boundary layer that could be incorporated into such models; (3) the models all use an all or nothing approach to plume penetration; either the plume penetrates the elevated inversion and is lost to the computation or it is completely trapped; and (4) the four annual models all produced good estimates of the observed concentrations, while, of the short-term models, TEM-8A seriously overpredicted at night and RAM seriously underpredicts during the day. |
Notes |
"EPA-600/3-84-089." "Cooperative agreement no. 810297-01." "August 1984." Includes bibliographical references. |