| Main Title |
Testing Physics and Chemistry Sensitivities in the U.S. EPA Community Multiscale Air Quality (CMAQ) Modeling System. |
| Author |
Arnold, J. R. ;
Dennis, R. L. ;
|
| CORP Author |
Environmental Protection Agency, Research Triangle Park, NC. National Exposure Research Lab. ;National Oceanic and Atmospheric Administration, Silver Spring, MD. Atmospheric Sciences Modeling Div. |
| Publisher |
2004 |
| Year Published |
2004 |
| Report Number |
EPA/600/A-04/115 ;NERL-RTP-AMD-04-094; |
| Stock Number |
PB2005-101226 |
| Additional Subjects |
Emissions ;
Meterorological data ;
Physics ;
Chmistry ;
Experimental design ;
Modeling ;
Sensitivity analysis ;
Schematic diagrams ;
Community Multiscale Air Quality Modeling System (CMAQ) ;
US Environmental Protection Agency (EPA) ;
Air quality models (AQMs) ;
Volatile organic compounds
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB2005-101226 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
one CD-ROM contains 9 page document |
| Abstract |
Uncertainties in key elements of emissions and meteorology inputs to air quality models (AQMs) can range from 50 to 100% with some areas of emissions uncertainty even higher (Russell and Dennis, 2000). Uncertainties in the chemical mechanisms are thought to be smaller (Russell and Dennis, 2000) but can range to 30% or more as new techniques are applied to re-measure reaction rate constants and yields. Single perturbation sensitivity analyses have traditionally been used with AQMs to characterize effects of these uncertainties on peak predicted ozone concentration (O3). However, confidence in AQM applications depends on understanding the physical and chemical model dynamics in full emissions cases and in cases with proposed controls on oxides of nitrogen (NO+NO2=NOX) and/or volatile organic compounds (VOC). |
| Supplementary Notes |
This document is color dependent and/or in landscape layout. It is currently available on CD-ROM and paper only. CD-ROM contains a 9 page document. Prepared in cooperation with National Oceanic and Atmospheric Administration, Silver Spring, MD. Atmospheric Sciences Modeling Div. |
| Availability Notes |
Available on CD-ROM or in paper copy. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| Category Codes |
68A; 55; 46; 99 |
| NTIS Prices |
AV$25.00 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
001801020 |
| Origin |
NTIS |
| Type |
CAT |
