Main Title |
PTPLU. EPA/ORD (Environmental Protection Agency/Office of Research and Development) Air Quality Simulation Model. |
Author |
Mersch, J. ;
|
CORP Author |
Environmental Sciences Research Lab., Research Triangle Park, NC. Meteorology and Assessment Div. |
Publisher |
1 Aug 89 |
Year Published |
1989 |
Report Number |
EPA/SW/DK-89/153; |
Stock Number |
PB90-500331 |
Additional Subjects |
Models-Simulation ;
Air pollution ;
Concentration(Composition) ;
Dispersions ;
Plumes ;
Wind(Meteorology) ;
Diskettes ;
Air quality ;
Point sources ;
Gaussian plume models ;
Interactive systems ;
L=Fortran ;
H=IBM 3090
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB90-500331 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
1 diskette |
Abstract |
PTPLU is a point source dispersion Gaussian screening model for estimating maximum surface concentrations for 1-hour concentrations. PTPLU is based upon Briggs' plume rise methods and can use either Pasquill-Gifford or Briggs' urban dispersion coefficients. PTPLU is an adaption and improvement of PTMAX which allows for wind profile exponents and other optional calculations such as buoyancy induced dispersion, stack downwash, and gradual plume rise. PTPLU produces an analysis of concentration as a function of wind speed and stability class for both wind speeds constant with height and wind speeds increasing with height. Using the extrapolated wind speeds and the options allows the model user a more accurate selection of distances to maximum concentration. PTPLU1 is the interactive version of the model. Software Description: The model is written in the FORTRAN programming language for implementation on an IBM 3090 computer. The software is distributed on a 5 1/4-inch IBM/PC-compatible diskette. Data is in compressed format but a dearchive utility is included. |
Availability Notes |
The model is contained on 5 1/4-inch, double density (360K) diskettes, compatible with the IBM PC microcomputer, ready for uploading to an IBM 3090 computer. Price includes documentation, PB83-211235. |
NTIS Title Notes |
Model-Simulation. |
Category Codes |
68A#; 91A; 43F; 62 |
NTIS Prices |
CP D01 |
Primary Description |
600/09 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
936221990 |
Origin |
NTIS |
Type |
CAT |