Physics
Scientific paper
Jul 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jatp...44..591h&link_type=abstract
Journal of Atmospheric and Terrestrial Physics, vol. 44, July 1982, p. 591-597.
Physics
20
Accuracy, Atmospheric Chemistry, Atmospheric Composition, Photochemical Reactions, Stratosphere, Trace Elements, Chlorine Oxides, Error Analysis, Metrology, Nitric Oxide, Nitrogen Dioxide, Reaction Kinetics
Scientific paper
The required accuracy of stratospheric trace measurements which can lead to stratospheric photochemical testing is calculated for one chemical system. The 10 or so parameters which affect the NO2/NO ratio are considered, such as constituent densities, reaction rates, and photodissociation coefficients. It is found that a + or - 3% accuracy measurement of key parameters is needed in order to achieve a test accuracy of 10%. In order to derive concentrations of those species difficult to measure directly, a very high accuracy is required; the example given is to measure C1O to + or - 30% accuracy, for which the parameters must be simultaneously determined to approximately + or 2%. This example chemical system requires higher accuracy stratospheric composition measurements than those currently available.
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