Local and regional contributions of fine particulate mass to urban areas in the Mid-Atlantic and Southwestern US. Report for November 1997--September 1998
This work examined the seasonal local and regional contributions of PM2.5 to urban areas in the Mid-Atlantic States: Baltimore, MD, Washington, DC, and Philadelphia, PA and Phoenix, AZ in the Southwest. This was accomplished using two different methods. The first method estimated urban excesses by comparing seasonal PM2.5 trends at the urban monitors to nearby rural monitors. The second approach used a simple model based on the PM2.5 dependence on wind speed and wind direction to classify a site as being dominated by local or regional source contributions. The method also quantifies the regional contributions during high wind speed conditions. The wind vectors were derived from surface observations and air mass histories. All monitoring sites in the urban centers were dominated by local sources during the cold season.
- Research Organization:
- Washington Univ., Center for Air Pollution Impact and Trend Analysis, St. Louis, MO (United States); Environmental Protection Agency, National Exposure Research Lab., Research Triangle Park, NC (United States)
- Sponsoring Organization:
- USEPA; Environmental Protection Agency, Washington, DC (United States)
- OSTI ID:
- 6408405
- Report Number(s):
- PB-99-147209/XAB; CNN: EPA-7D-0869-NAEX
- Resource Relation:
- Other Information: See also PB96-168232
- Country of Publication:
- United States
- Language:
- English
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COMPARATIVE EVALUATION OF AMBIENT FINE PARTICULATE MATTER (PM2.5) DATA OBTAINED FROM URBAN AND RURAL MONITORING SITES ALONG THE UPPER OHIO RIVER VALLEY
Local and regional contributions to urban particulate matter. Final report, March 1985-June 1986
Related Subjects
AIR POLLUTION
AIR POLLUTION MONITORING
ENVIRONMENTAL TRANSPORT
MATHEMATICAL MODELS
PARTICULATES
REGIONAL ANALYSIS
SEASONAL VARIATIONS
URBAN AREAS
MASS TRANSFER
MONITORING
PARTICLES
POLLUTION
VARIATIONS
540120* - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)