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Nonmethane hydrocarbons in the rural southeast United States national parks

Summary: Nonmethane hydrocarbons in the rural
southeast United States national parks
Daiwen Kang and Viney P. Aneja
Department of Marine, Earth, and Atmospheric Sciences, North
Carolina State University, Raleigh, North Carolina
Rod G. Zika and Charles Farmer
Division of Marine and Atmospheric Chemistry, Rosenstiel School of Marine
and Atmospheric Sciences, University of Miami, Miami, Florida
John D. Ray
Air Resources Division, National Park Service, Denver, Colorado
Abstract. Measurements of volatile organic compounds (VOCs) were made at three
rural sites in the southeast U.S. national parks: Mammoth Cave National Park, Kentucky;
Cove Mountain, Great Smoky Mountains National Park, Tennessee; and Big Meadows,
Shenandoah National Park, Virginia. In 1995 the three locations were sampling sites for
the Southern Oxidants Study (SOS) Nashville Intensive, and the measurements of VOCs
for Shenandoah were also made under contract with the National Park Service. Starting in
1996, the National Park Service added the other two parks to the monitoring contract.
Hydrocarbon measurements made during June through September for the years 1995,
1996, and 1997 were analyzed in this study. Source classification techniques based on
correlation coefficient, chemical reactivity, and ratioing were developed and applied to


Source: Aneja, Viney P. - Department of Marine, Earth and Atmospheric Sciences, North Carolina State University


Collections: Environmental Sciences and Ecology; Geosciences