title: Nitrogen dioxide and ozone levels in urban tree canopies.
abstract: NO(2) levels are elevated and O(3) levels decreased inside canopies of urban trees.
authors.affiliation: Department of Plant, Soil, and Insect Sciences, University of Massachusetts, Fernald Hall, 270 Stockbridge Road, Amherst, MA 01003, USA. tbharris@psis.umass.edu
authors.forename: Tanner B
authors.initials: TB
authors.lastname: Harris
authors.forename: William J
authors.initials: WJ
authors.lastname: Manning
mesh_terms: D000393:Air Pollutants / Q000032:analysis; D002947:Cities; D004784:Environmental Monitoring; D009585:Nitrogen Dioxide / Q000032:analysis*; D010126:Ozone / Q000032:analysis*; D014197:Trees
chemical_list: D000393:Air Pollutants; D010126:Ozone; D009585:Nitrogen Dioxide