Creekside Nursery -- Ryan Daly (INSTAAR; Mechanical Engineering grad student) installing a branch enclosure experiment on a flowering crap apple tree. INSTAAR's Atmospheric Research Laboratory is conducting a year-round study of biogenic volatile organic compound emissions from urban shade trees at the Creekside Tree Nursery in Boulder, CO. Vegetation emit compounds that play an important role in atmospheric chemistry and local air quality. April 2009. Photo: Romain Baghi (INSTAAR).
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