| Main Title |
U.S. Visibility Trends, 1960-1992. |
| Author |
Husar, R. B. ;
Elkins., J. B. ;
|
| CORP Author |
Washington Univ., St. Louis, MO. Center for Air Pollution Impact and Trend Analysis.;Environmental Protection Agency, Research Triangle Park, NC. Office of Air Quality Planning and Standards. |
| Publisher |
1994 |
| Year Published |
1994 |
| Report Number |
EPA/600/A-94/044; |
| Stock Number |
PB94-158706 |
| Additional Subjects |
United States ;
Haze ;
Visibility ;
Reprint ;
Air pollution monitoring ;
Air pollution sources ;
Regional analysis ;
Atmospheric optics ;
Emission factors ;
Air circulation ;
Seasonal variations ;
Spatial variations ;
Trends ;
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB94-158706 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
18p |
| Abstract |
The U.S. haze patterns and trends since 1960 are presented in 16 haze maps that represent four time periods and four seasons. The selected time periods are 5 year averages centered at 1960, 1970, 1980, and 1990. The quarters are calendrical. The discussion will encompass the overall national pattern and trends. |
