title: Assessing the effects of transboundary ozone pollution between Ontario, Canada and New York, USA.
abstract: We investigated the effects of transboundary pollution between Ontario and New York using both observations and modeling results. Analysis of the spatial scales associated with ozone pollution revealed the regional and international character of this pollutant. A back-trajectory-clustering methodology was used to evaluate the potential for transboundary pollution trading and to identify potential pollution source regions for two sites: CN tower in Toronto and the World Trade Center in New York City. Transboundary pollution transport was evident at both locations. The major pollution source areas for the period examined were the Ohio River Valley and Midwest. Finally, we examined the transboundary impact of emission reductions through photochemical models. We found that emissions from both New York and Ontario were transported across the border and that reductions in predicted O3 levels can be substantial when emissions on both sides of the border are reduced.
authors.affiliation: New York State Department of Environmental Conservation, Division of Air Resources, 625 Broadway, 3rd floor, Albany, NY 12233-3253, USA. exbranko@dec.state.ny.us
authors.forename: Elvira
authors.initials: E
authors.lastname: Brankov
authors.forename: Robert F
authors.initials: RF
authors.lastname: Henry
authors.forename: Kevin L
authors.initials: KL
authors.lastname: Civerolo
authors.forename: Winston
authors.initials: W
authors.lastname: Hao
authors.forename: S T
authors.initials: ST
authors.lastname: Rao
authors.forename: P K
authors.initials: PK
authors.lastname: Misra
authors.forename: Robert
authors.initials: R
authors.lastname: Bloxam
authors.forename: Neville
authors.initials: N
authors.lastname: Reid
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D004784:Environmental Monitoring / Q000379:methods*; D008962:Models, Theoretical; D009519:New York City; D009864:Ontario; D010126:Ozone / Q000032:analysis*; D010777:Photochemistry
chemical_list: D000393:Air Pollutants; D010126:Ozone