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Project at a Glance

Project Status: complete

Title: Aircraft measurements in support of the 1997 Southern California Ozone Study.

Principal Investigator / Author(s): Carroll, John J

Contractor: UC Davis

Contract Number: 95-332

Research Program Area: Atmospheric Processes

Topic Areas: Field Studies, Monitoring


During the summer of 1997, an instrumented aircraft was deployed by the University of California at Davis (UCD) to measure meteorological and air quality variables along the foothills north and east of Central Los Angeles. This was part of a larger effort, the 1997 Southern California Ozone Study - North American Research Strategy for Tropospheric Ozone (SCOS97). Data and air samples were collected during six intensive operational periods (lOP) covering fifteen intensive operational days. Instrument calibrations showed all measuring systems operated well within design limits and generally all data are of high quality. One exception is with the oxides of nitrogen analyzer which did not correct for non-standard temperature and pressures. However, in most instances when significant levels of nitrogen oxides were measured these environmental variables were close to their standard value. The acquired data have been delivered to the California Air Resources Board (ARB) in two fonnats and software to facilitate viewing these data have been developed and provided as well.


For questions regarding this research project, including available data and progress status, contact: Heather Choi at (916) 322-3893

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