| Main Title |
Investigation of ozone and ozone precursor concentrations at nonurban locations in the Eastern United States : phase II, meteorological analyses / |
| Author |
Bach, W. D., Jr.
|
| CORP Author |
Research Triangle Inst., Research Triangle Park, N.C.;Environmental Protection Agency, Research Triangle Park, N.C. Office of Air Quality Planning and Standards. |
| Publisher |
U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Office of Air and Waste Management ; National Technical Information Service [distributor, |
| Year Published |
1975 |
| Report Number |
EPA 450/3-74-034-a; EPA-68-02-1077 |
| Stock Number |
PB-246 899 |
| OCLC Number |
28524890 |
| Subjects |
Ozone--Measurement--East (US) ;
Ozone--Measurement--United States, Eastern
|
| Additional Subjects |
Ozone ;
Atmospheric composition ;
Nitrogen oxides ;
Hydrocarbons ;
Air pollution ;
Meteorological data ;
Weather modification ;
Rural areas ;
Air pollution ;
Gas analysis ;
Concentration(Composition) ;
Altitude ;
Data acquisition ;
Trajectories ;
Climatic changes ;
Temperature ;
Sunrise ;
Sunset ;
Dispersions ;
Stagnation point ;
Fronts(Meteorology) ;
Time studies ;
Dew point ;
Numerical analysis ;
Cross sections ;
Ohio ;
Pennsylvania ;
Maryland ;
West Virginia ;
Air quality data ;
Eastern Region(United States)
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EKBD |
EPA-450/3-74-034a |
|
Research Triangle Park Library/RTP, NC |
08/27/1999 |
| ELBD ARCHIVE |
EPA 450-3-74-034a |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| ESAD |
EPA 450-3-74-034A |
|
Region 10 Library/Seattle,WA |
03/23/2010 |
| NTIS |
PB-246 899 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
viii, 144 p. : ill. ; 27 cm. |
| Abstract |
The meteorological conditions occurring during measurements of ozone at four nonurban locations in Ohio, Pennsylvania, Maryland and West Virginia are examined for their influence upon the ozone concentrations at the synoptic time and space scale. Air parcel trajectories at the 900 mb level for the forty-eight hours prior to arrival at each location were examined for the possible influence of transport across urban-industrial areas on the measured non-urban ozone. Time-altitude sections of potential temperature and stability from the ground to 5 km at four nearby rawinsonde locations showed that major anomalies in the vertical structure of the lower troposphere are important to the occurrences of high ozone concentrations. A regression analysis of twelve-hour average ozone concentrations as a function of properties of the mixed layer showed that the mean mixing ratio of the layer in the most significant variable of the eight shown. The mixing depth is the next most significant. Average hourly ozone concentrations did not exceed 160 micrograms/cum when the maximum daily temperature was less than 16.5C. |
| Notes |
"February 1975." |
