Free radicals in the stratosphere - A new observational technique

Details Free radicals in the stratosphere - A new observational technique Free radicals in the stratosphere - A new observational technique

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985sci...228.1309a&link_type=abstract

Science (ISSN 0036-8075), vol. 228, June 14, 1985, p. 1309-1311. NASA-supported research.

Computer Science

Sound

5

Atmospheric Chemistry, Balloon-Borne Instruments, Free Radicals, Ozonometry, Stratosphere, Trace Elements, Balloon Sounding, Carbon Dioxide, Hydrocarbons, Kevlar (Trademark), Oxygen Atoms, Photochemical Reactions, Photodecomposition

Scientific paper

A new approach to in situ observations of trace reactive species in the stratosphere is described. A balloon-borne system, floating 40 kilometers above the earth's surface, successfully lowered and then retracted a cluster of instruments a distance of 12 kilometers on a filament of Kevlar. This instrument cluster is capable of detecting gas-phase free radicals at the part-per-trillion level. The suspended instrument array has excellent stability and has been used to measured atomic oxygen concentrations in the stratosphere.

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