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Background concentrations of photochemically active trace constituents in the stratosphere and upper troposphere

  • Observational Results on Other Trace Substances
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Summary

High resolution absorption spectroscopy can be used for obtaining very small background concentrations or very low upper limits of trace constituents, particularly from measurements inQ-branches of fundamental vibration-rotation bands. As examples, the results of a search for NH3 and SO2 in the Vermande and Dionne Mont-Louis solar spectra will be reported. The relative concentration of NH3 is very much lower above the Pyrenees than the generally accepted minimum background concentrations near sea-level.

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Authors and Affiliations

  1. Department of the Geophysical Sciences, The University of Chicago, Chicago, USA

    Lewis D. Kaplan

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  1. Lewis D. Kaplan
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Kaplan, L.D. Background concentrations of photochemically active trace constituents in the stratosphere and upper troposphere. PAGEOPH 106, 1341–1345 (1973). https://doi.org/10.1007/BF00881088

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  • DOI: https://doi.org/10.1007/BF00881088

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