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    • ATom: Back Trajectories and Influences of Air Parcels Along Flight Track, 2016-2018

    Metadata Updated: December 6, 2023

    This dataset contains back trajectories, boundary layer influences, and convective influences of air parcels along NASA DC-8 aircraft's flight tracks during the four ATom campaigns that occurred from 2016 to 2018. Back trajectories were interpolated using National Centers for Environmental Prediction (NCEP) Global Forecast System (GFS) and Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA2) meteorology. Back trajectory analysis determines the origin of air masses by modeling the path of an air parcel backward in time. It can be used to better understand the sources of atmospheric compounds. Boundary layer Influences were determined based on 30 Day Back Trajectories. The atmospheric boundary layer is the lowest part of the troposphere that is directly influenced by earth's surface. The boundary layer influences wind patterns and thus the dispersal of pollutants and other atmospheric compounds of interest. Convective influences were based on 10 Day Back Trajectories and NASA Langley cloud products. Convective influences model the effects of convection on the movement of water vapor through the atmosphere, which influences cloud behavior.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date June 27, 2023
    Metadata Updated Date December 6, 2023

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Graphic Preview

    Fire influences for air parcels on the ATom-2 research flight that occurred on 2017-02-15.

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date June 27, 2023
    Metadata Updated Date December 6, 2023
    Publisher ORNL_DAAC
    Maintainer
    Identifier C2704882261-ORNL_CLOUD
    Data First Published 2022-01-26
    Language en-US
    Data Last Modified 2023-06-12
    Category ATom, geospatial
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.nasa.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Citation Ray, E.A. 2021. ATom: Back Trajectories and Influences of Air Parcels Along Flight Track, 2016-2018. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1889
    Graphic Preview Description Fire influences for air parcels on the ATom-2 research flight that occurred on 2017-02-15.
    Graphic Preview File https://daac.ornl.gov/ATOM/guides/ATom_FlightTrack_Influences_Fig1.jpg
    Harvest Object Id 768a6027-2c12-4f3b-9237-1ad9686e1c42
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.3334/ORNLDAAC/1889
    Metadata Type geospatial
    Old Spatial -180.0 -90.0 180.0 90.0
    Program Code 026:001
    Source Datajson Identifier True
    Source Hash 86c97c5231857540b9b7112655e99a2215382c1f92d64a5d5b991b614a286fc7
    Source Schema Version 1.1
    Spatial
    Temporal 2016-07-29T00:00:00Z/2018-05-21T23:59:59Z

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