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ATom Instrument Calibration and Performance Data

The interior of the NASA DC-8 aircraft prepared for takeoff

The interior of the instrumented NASA DC-8 aircraft as prepared for takeoff. The UHSAS data were collected during ATom deployments.

ATom: Ultra-High Sensitivity Aerosol Spectrometer Calibration and Performance Data

This dataset from the Atmospheric Tomography Mission (ATom) provides extensive calibration and in-flight performance data for two Ultra-High Sensitivity Aerosol Spectrometers (UHSAS) used for particle size distribution and volatility measurements during the first and second ATom airborne campaigns. Data include: UHSAS detection efficiency, sizing calibration, performance at a range of pressures and at a range of thermodenuder temperatures, comparison of UHSAS-2 and condensation particle counter (CPC) particle number concentrations, comparisons of UHSAS-1 and UHSAS-2 for dry particle number concentration, surface area and volume collected onboard of a NASA DC-8 aircraft during August 2016, and dry aerosol size distributions for thermodenuded and non-thermodenuded instrument collected in February 2017.

ATom was a NASA Earth Venture Suborbital-2 mission that studied the impact of human-produced air pollution on greenhouse gases and on chemically reactive gases in the atmosphere. See all data from ATom.

Related Publication:
Kupc, A., C. Williamson, N.L. Wagner, M. Richardson, and C.A. Brock. 2018. Modification, calibration, and performance of the Ultra-High Sensitivity Aerosol Spectrometer for particle size distribution and volatility measurements during the Atmospheric Tomography Mission (ATom) airborne campaign, Atmos. Meas. Tech., 11, 369-383, https://doi.org/10.5194/amt-11-369-2018

Data Citation: Kupc, A., C.J. Williamson, N.L. Wagner, M. Richardson, and C.A. Brock. 2018. ATom: Ultra-High Sensitivity Aerosol Spectrometer Calibration and Performance Data. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1619
Data Center: ORNL DAAC
Sponsor: EOSDIS