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Description

This dataset provides mass concentrations of particulate iodine as measured by the High-Resolution Aerosol Mass Spectrometer (HR-AMS) during the first two deployments of the NASA Atmospheric Tomography airborne missions (ATom-1 and ATom-2) in 2016 and 2017, respectively. The data provided in this dataset result from a reanalysis of the initial HR-AMS data based on post-mission calibrations and are reported at 1-minute resolution. The dataset also includes the fractions of the main ions (I+, HI+, and I2+) that can be used to ascertain the oxidation state of iodine in particles. Each observation includes an air mass classification flag (tropospheric or stratospheric conditions) based on collocated in situ water vapor and ozone measurements and positional data from the HR-AMS data feed.

Product Summary

Platforms
NASA DC-8
Instruments
AMS
Spatial Extent
N: 80.5221 S: -65.3315 E: 180 W: -180
Geographic Region
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2016-07-29 to 2017-02-21
Data Partner
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)
Concept ID
c2676975101-ornl_cloud
Data State
COMPLETE
Processing Level
3
Published
Updated

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

Jimenez, J. L., Campuzano-Jost, P., Day, D. A., Nault, B. A., & Schroder, J. C. (2020). ATom: L2 Particulate Iodine from High-Resolution Aerosol Mass Spectrometer (HR-AMS) (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1773 Date Accessed: 2025-07-16

Documents

GENERAL DOCUMENTATION ATom: L2 Particulate Iodine from High-Resolution Aerosol Mass Spectrometer (HR-AMS): ATom_Particulate_Iodine.pdf
USER'S GUIDE ORNL DAAC Data Set Documentation

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