Articles | Volume 9, issue 9
Atmos. Meas. Tech., 9, 4601–4613, 2016
https://doi.org/10.5194/amt-9-4601-2016
Atmos. Meas. Tech., 9, 4601–4613, 2016
https://doi.org/10.5194/amt-9-4601-2016

Research article 20 Sep 2016

Research article | 20 Sep 2016

A laser-induced fluorescence instrument for aircraft measurements of sulfur dioxide in the upper troposphere and lower stratosphere

Andrew W. Rollins et al.

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Short summary
In situ measurements of SO2 in the tropical UT–LS have been scarce, in part due to limitations of existing instrumentation. Here we present a new laser-induced fluorescence instrument capable of measuring SO2 in the UT–LS region at single part-per-trillion (ppt) mixing ratios and demonstrate it on the NASA WB-57F aircraft up to 19.7 km altitude.