Physics
Scientific paper
Mar 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979georl...6..171d&link_type=abstract
Geophysical Research Letters, vol. 6, Mar. 1979, p. 171-174.
Physics
1
Air Sampling, Atmospheric Composition, Beryllium 7, Ozonometry, Stratosphere, Adirondack Mountains (Ny), Boeing 747 Aircraft, In-Flight Monitoring, Particulate Sampling, Troposphere
Scientific paper
Several studies have demonstrated the viability of using Be-7 as a natural radioactive tracer to identify upper atmospheric air at ground level. Elevated ozone concentrations are observed to correlate with periods of high Be-7 activity. Although correlations between Be-7 and O3 identify the presence of stratospheric air, such data are not sufficient to quantify the stratospheric contributions, as ozone is also produced at ground level. To accurately determine the stratospheric contributions from Be-7 and O3 studies it is essential to know the Be-7/O3 concentration ratios in the stratosphere and the behavior of Be-7 aerosol and O3 during the descent through the troposphere. A description is in this connection presented of the first direct measurements of Be-7/O3 ratios in the stratosphere and upper troposphere.
Dutkiewicz Vincent A.
Husain Liaquat
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