| Main Title |
Stochastic Description of Subgrid Pollutant Variability in CMAQ (Community Multiscale Air Quality). |
| Author |
Herwehe, J. A. ;
Ching, J. K. S. ;
Swall, J. L. ;
|
| CORP Author |
Environmental Protection Agency, Research Triangle Park, NC. National Exposure Research Lab. ;National Oceanic and Atmospheric Administration, Oak Ridge, TN. |
| Publisher |
2004 |
| Year Published |
2004 |
| Report Number |
EPA/600/A-04/100 ;NERL-RTP-AMD-04-071; |
| Stock Number |
PB2005-100837 |
| Additional Subjects |
Air pollution monitoring ;
Air quality ;
Stochastic analysis ;
Statistical analysis ;
Community Multiscale Air Quality (CMAQ) ;
Grid cell volume ;
Exploratory data analysis ;
Subgrid pollutant variability
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB2005-100837 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
one CD-ROM contains 5 page document |
| Abstract |
Regional scale air quality (AQ) models are typically limited to relatively coarse resolutions when simulating mean pollutant concentrations for each grid cell volume. However, human exposure and risk assessment require more detailed information on the location and magnitude of hazardous air pollutant, or air toxics, concentrations, with particular interest in capturing extreme values, or 'hot spots.' Computational fluid dynamics and coupled large-eddy simulation with photochemistry techniques allow AQ simulations with much finer grid spacings, but these types of simulations are impractical for long time integrations or operational use. Thus, some procedure is needed to represent the subgrid pollutant concentration extremes in regional models without requiring concurrent fine resolution simulations. |
| 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 5 page document. Prepared in cooperation with National Oceanic and Atmospheric Administration, Oak Ridge, TN. |
| 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; 72F |
| NTIS Prices |
AV$25.00 |
| Primary Description |
600/09 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
001800890 |
| Origin |
NTIS |
| Type |
CAT |
