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

Rollins, Andrew W.; Thornberry, Troy D.; Ciciora, Steven J.; McLaughlin, Richard J.; Watts, Laurel A.; Hanisco, Thomas F.; Baumann, Esther; Giorgetta, Fabrizio R.; Bui, Thaopaul V.; Fahey, David W.; Gao, Ru-Shan

doi:10.5194/amt-9-4601-2016

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

2016
By Rollins, Andrew W. ; Thornberry, Troy D. ; Ciciora, Steven J. ; ...
Source: Atmospheric Measurement Techniques, 9(9), 4601-4613.

[PDF-1.70 MB]

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Journal Title:

Atmospheric Measurement Techniques
Personal Author:

Rollins, Andrew W. ; Thornberry, Troy D. ; Ciciora, Steven J. ; McLaughlin, Richard J. ; Watts, Laurel A. ; ... More +

Rollins, Andrew W. ; Thornberry, Troy D. ; Ciciora, Steven J. ; McLaughlin, Richard J. ; Watts, Laurel A. ; Hanisco, Thomas F. ; Baumann, Esther ; Giorgetta, Fabrizio R. ; Bui, Thaopaul V. ; Fahey, David W. ; Gao, Ru-Shan Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) ; CSL (Chemical Sciences Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) ; CSL (Chemical Sciences Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

This work describes the development and testing of a new instrument for in situ measurements of sulfur dioxide (SO2) on airborne platforms in the upper troposphere and lower stratosphere (UT-LS). The instrument is based on the laser-induced fluorescence technique and uses the fifth harmonic of a tunable fiber-amplified semiconductor diode laser system at 1084.5aEuro-nm to excite SO2 at 216.9aEuro-nm. Sensitivity and background checks are achieved in flight by additions of SO2 calibration gas and zero air, respectively. Aircraft demonstration was performed during the NASA Volcano-Plume Investigation Readiness and Gas-Phase and Aerosol Sulfur (VIRGAS) experiment, which was a series of flights using the NASA WB-57F during October 2015 based at Ellington Field and Harlingen, Texas. During these flights, the instrument successfully measured SO2 in the UT-LS at background (non-volcanic) conditions with a precision of 2aEuro-ppt at 10aEuro-s and an overall uncertainty determined primarily by instrument drifts of +/-(16aEuro-%aEuro-+aEuro-0.9aEuro-ppt).
Source:

Atmospheric Measurement Techniques, 9(9), 4601-4613.
DOI:

https://doi.org/10.5194/amt-9-4601-2016
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Journal Article
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CC BY
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Submitted
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urn:sha256:4d959f3eba5cc74ba359c53b433e389e8b4a060759eac5aa6ecf27ab6afa267b
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A laser-induced fluorescence instrument for aircraft measurements of sulfur dioxide in the upper troposphere and lower stratosphere

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