Development of the Regional Oxidant Model version 2. 1. Interim report, January 1988-April 1989
This report describes improvements that were made to version 2.0 of the Regional Oxidant Model (ROM) in order to create version 2.1. The ROM is an Eulerian grid model that calculates hourly concentrations of ozone and other chemical species for episodes up to about a month long. The ROM's modeling domain, represented by a grid of cells that are approximately 19 km on a side, encompasses an area about 1000 by 1000 km. The physical processes that the ROM simulates include photochemistry, spatially- and temporally-varying wind fields, nocturnal jets and temperature inversions, terrain effects, dry deposition, and emissions of biogenic and anthropogenic ozone precursors. Major technical improvements include upgrading the Carbon Bond Mechanism to version 4.2, improving the biogenic emissions processor (which now includes a canopy model), updating the wind fields processor, and expanding the use of buoy data for determining meteorological data fields over water. Also, ROM 2.1 can be adapted more easily than version 2.0 to various modeling domains in eastern North America. In addition, the computer software was redesigned to facilitate ROM's eventual application by outside users.
- Research Organization:
- Computer Sciences Corp., Research Triangle Park, NC (USA)
- OSTI ID:
- 5843075
- Report Number(s):
- PB-89-194252/XAB
- Country of Publication:
- United States
- Language:
- English
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99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
AIR POLLUTION
MATHEMATICAL MODELS
URBAN AREAS
AIR QUALITY
ATMOSPHERIC CHEMISTRY
COMPUTERIZED SIMULATION
DATA PROCESSING
ENVIRONMENTAL TRANSPORT
FORECASTING
LAND USE
OXIDATION
OZONE
PHOTOCHEMICAL REACTIONS
POLLUTION SOURCES
PROGRESS REPORT
REGIONAL ANALYSIS
CHEMICAL REACTIONS
CHEMISTRY
DOCUMENT TYPES
ENVIRONMENTAL QUALITY
MASS TRANSFER
POLLUTION
PROCESSING
SIMULATION
500200* - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)
990220 - Computers
Computerized Models
& Computer Programs- (1987-1989)