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Description

This dataset, collected with the Unmanned Aircraft Systems (UAS) Chromatograph for Atmospheric Trace Species (UCATS), provides atmospheric concentrations of nitrous oxide (N2O), sulfur hexafluoride (SF6), methane (CH4), hydrogen (H2), carbon monoxide (CO), water vapor (H2O), and ozone (O3). The UCATS system is three different instruments in one enclosure: a two-channel chromatograph with electron capture detectors (one measures N2O and SF6, the other measures CH4, H2 and CO), a tunable diode laser instrument for H2O, and a dual-beam O3 photometer.

Product Summary

Platforms
NASA DC-8
Instruments
TUNABLE DIODE LASER ,
UCATS-GC
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Geographic Region
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2016-07-12 to 2018-05-21
Data Partner
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)
Concept ID
C2676964600-ORNL_CLOUD
Data State
COMPLETE
Number of Files/Granules
168
Processing Level
2
Published
Updated
Science Keywords
Methane ,
Atmospheric Carbon Monoxide ,
Tropospheric Ozone ,
Water Vapor ,
Nitrous Oxide ,
Sulfur Compounds ,
Atmospheric Ozone

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Elkins, J. W., Hintsa, E. J., & Moore, F. L. (2019). ATom: Measurements from the UAS Chromatograph for Atmospheric Trace Species (UCATS) (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1750 Date Accessed: 2025-12-14

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