Physics
Scientific paper
Aug 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.530..395c&link_type=abstract
In: 16th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 2 - 5 June 2003, Sankt Gallen, Switzerlan
Physics
Earth Atmosphere: Physics, Earth Atmosphere: Chemistry
Scientific paper
Ultraviolet photoionization sources combined with different plasma probes provide a useful diagnostic for the in situ measurement of certain minor species in the atmosphere. We introduce this measurement approach by considering earlier flown rocket and balloon payload systems. A recently designed instrument package is presented and payload operation is illustrated, by considering two mid-latitude rocket flights conducted at the NASA Wallops Flight Facility, Virginia, during July 2002. The two payloads - one flown on a day of thunderstorm activity and the other during quiet nonstorm conditions - were essentially identical. Each of them included four different UV lamp sources with Gerdien condensers and ancillary probes for evaluating the region's background, as well as lamp-induced, electrical environment. We report on the design enhancements implemented with these instruments, and a brief data sample is presented to illustrate the payload's measurement capablities.
Croskey Charles L.
Friedrich Martin
Mitchell John D.
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