UAS Chromatograph for Atmospheric Trace Species (UCATS) - a versatile instrument for trace gas measurements on airborne platforms

Hintsa, Eric J.; Moore, Fred L.; Hurst, Dale F.; Dutton, Geoff S.; Hall, Bradley D.; Nance, J. David; Miller, Ben R.; Montzka, Stephen A.; Wolton, Laura P.; McClure-Begley, Audra; Elkins, James W.; Hall, Emrys G.; Jordan, Allen F.; Rollins, Andrew W.; Thornberry, Troy D.; Watts, Laurel A.; Thompson, Chelsea R.; Peischl, Jeff; Bourgeois, Ilann; Ryerson, Thomas B.; Daube, Bruce C.; Gonzalez Ramos, Yenny; Commane, Roisin; Santoni, Gregory W.; Pittman, Jasna V.; Wofsy, Steven C.; Kort, Eric; Diskin, Glenn S.; Bui, T. Paul

doi:10.5194/amt-14-6795-2021

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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UAS Chromatograph for Atmospheric Trace Species (UCATS) - a versatile instrument for trace gas measurements on airborne platforms

2021
By Hintsa, Eric J. ; Moore, Fred L. ; Hurst, Dale F. ; ...
Source: Atmos. Meas. Tech., 14, 6795–6819

[PDF-2.76 MB]

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Details:

Journal Title:

Atmospheric Measurement Techniques
Personal Author:

Hintsa, Eric J. ; Moore, Fred L. ; Hurst, Dale F. ; Dutton, Geoff S. ; Hall, Bradley D. ; ... More +

Hintsa, Eric J. ; Moore, Fred L. ; Hurst, Dale F. ; Dutton, Geoff S. ; Hall, Bradley D. ; Nance, J. David ; Miller, Ben R. ; Montzka, Stephen A. ; Wolton, Laura P. ; McClure-Begley, Audra ; Elkins, James W. ; Hall, Emrys G. ; Jordan, Allen F. ; Rollins, Andrew W. ; Thornberry, Troy D. ; Watts, Laurel A. ; Thompson, Chelsea R. ; Peischl, Jeff ; Bourgeois, Ilann ; Ryerson, Thomas B. ; Daube, Bruce C. ; Gonzalez Ramos, Yenny ; Commane, Roisin ; Santoni, Gregory W. ; Pittman, Jasna V. ; Wofsy, Steven C. ; Kort, Eric ; Diskin, Glenn S. ; Bui, T. Paul Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CSL (Chemical Sciences Laboratory) ; GML (Global Monitoring Laboratory) ; CPO (Climate Program Office) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

OAR (Oceanic and Atmospheric Research) ; CSL (Chemical Sciences Laboratory) ; GML (Global Monitoring Laboratory) ; CPO (Climate Program Office) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

UCATS (the UAS Chromatograph for Atmospheric Trace Species) was designed and built for observations of important atmospheric trace gases from unmanned aircraft systems (UAS) in the upper troposphere and lower stratosphere (UTLS). Initially it measured major chlorofluorocarbons (CFCs) and the stratospheric transport tracers nitrous oxide (N2O) and sulfur hexafluoride (SF6), using gas chromatography with electron capture detection. Compact commercial absorption spectrometers for ozone (O3) and water vapor (H2O) were added to enhance its capabilities on platforms with relatively small payloads. UCATS has since been reconfigured to measure methane (CH4), carbon monoxide (CO), and molecular hydrogen (H2) instead of CFCs and has undergone numerous upgrades to its subsystems. It has served as part of large payloads on stratospheric UAS missions to probe the tropical tropopause region and transport of air into the stratosphere; in piloted aircraft studies of greenhouse gases, transport, and chemistry in the troposphere; and in 2021 is scheduled to return to the study of stratospheric ozone and halogen compounds, one of its original goals. Each deployment brought different challenges, which were largely met or resolved. The design, capabilities, modifications, and some results from UCATS are shown and described here, including changes for future missions.
Keywords:

[+]

Atmospheric Aerosols Observations Troposphere Trace Gases UAS Chromatograph For Atmospheric Trace Species
Source:

Atmos. Meas. Tech., 14, 6795–6819
DOI:

https://doi.org/10.5194/amt-14-6795-2021
Document Type:

Journal Article
Funding:

Grant no. NA17OAR4320101
Rights Information:

CC BY
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:5e9d341dc56b4ad58381049ae29850d5cec6e958cc7ce1dbb13dd7687e0cc183
Download URL:

https://repository.library.noaa.gov/view/noaa/40487/noaa_40487_DS1.pdf
File Type:

Machine readable versin (XML)

xml

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