COSCREEN98 user`s manual for the FDOT intersection air quality (CO) screening model
Technical Report
·
OSTI ID:678993
As with the original FDOT carbon monoxide (CO) screening test -- COSCREEN -- this new version, COSCREEN98, attempts to screen major intersections by using a hypothetical four-legged intersection. The original COSCREEN is based on CALINE3 analysis of an intersection for a specific set of temperatures. COSCREEN98 requires only a few more input data than the original COSCREEN, but is much more accurate about predicted CO concentrations near the intersection. The user inputs the region, the environment, the traffic volume, the approach speed, the year, and up to ten real receptors. This model then uses MOBILE5a and CAL3QHC2 to evaluate the intersection. CAL3QHC2 is the model accepted by the US Environmental Protection Agency (EPA) for dispersion modeling at intersections. Using MOBILE5a, emission factors are automatically developed for each analysis based on the location of the project, year, and speed. The location of the project impacts the temperatures and MOBILE5a options, which are automatically set by COSCREEN98. The selected environment (urban, suburban or rural) impacts the surface roughness value and the background CO concentrations. The addition of the suburban option provides the user with additional flexibility. The one-hour and eight-hour CO concentrations (including background concentrations) are calculated at each specified receptor.
- Research Organization:
- University of Central Florida, Dept. of Civil and Environmental Engineering, Orlando, FL (United States); Florida State Dept. of Transportation, Environmental Management Office, Tallahassee, FL (United States)
- OSTI ID:
- 678993
- Report Number(s):
- PB--99-165060/XAB; FL-ER--71B-99
- Country of Publication:
- United States
- Language:
- English
Similar Records
Enhanced carbon monoxide screen test. Final report, Jul 90-Sep 91
The advancement of CO screening models
User`s guide to CAL3QHC version 2.0: A modeling methodology for predicting pollutant concentrations near roadway intersections (revised)
Technical Report
·
Mon Jul 01 00:00:00 EDT 1991
·
OSTI ID:5814427
The advancement of CO screening models
Conference
·
Thu Jul 01 00:00:00 EDT 1999
·
OSTI ID:20002140
User`s guide to CAL3QHC version 2.0: A modeling methodology for predicting pollutant concentrations near roadway intersections (revised)
Technical Report
·
Fri Sep 01 00:00:00 EDT 1995
·
OSTI ID:220360