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    • CARVE: Ecosystem Scale CH4 Emission Derived from Aircraft Observations 2012-2014

    Metadata Updated: December 6, 2023

    This dataset provides methane flux estimates derived from airborne measurements collected over Alaska and the western Yukon Territory during the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) between 2012 and 2014. The state-scale methane fluxes were calculated using a combination of atmospheric profiles and lagrangian transport modeling. The methane flux estimates were used in a simple linear regression model to estimate the fluxes from the tundra and boreal ecosystems. Methane fluxes were also used with a combination of environmental variables to derive a statistical relationship between domain-wide flux and soil temperature. Soil temperature products from North American Regional Reanalysis and derived parameters from a Boltmann-Arrhenius model were used to model methane flux and related uncertainties within the domain at monthly and daily frequencies.

    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 December 1, 2022
    Metadata Updated Date December 6, 2023

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Graphic Preview

    Browse Image

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date December 1, 2022
    Metadata Updated Date December 6, 2023
    Publisher ORNL_DAAC
    Maintainer
    Identifier C2236316723-ORNL_CLOUD
    Data First Published 2022-05-10
    Language en-US
    Data Last Modified 2023-06-12
    Category CARVE, ABoVE, 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 Hartery, S., R. Commane, J.O.W. Lindaas, C. Sweeney, J. Henderson, M. Mountain, N. Steiner, K.C. McDonald, S.J. Dinardo, C.E. Miller, S.C. Wofsy, and R.Y-W. Chang. 2018. CARVE: Ecosystem Scale CH4 Emission Derived from Aircraft Observations 2012-2014. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1558
    Graphic Preview Description Browse Image
    Graphic Preview File https://daac.ornl.gov/CARVE/guides/CARVE_Ecosystem_CH4_Flux_Fig1.png
    Harvest Object Id 0f9194c5-dd8a-4c5e-8542-1a68795066e8
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.3334/ORNLDAAC/1558
    Metadata Type geospatial
    Old Spatial -169.75 50.25 -130.25 74.75
    Program Code 026:001
    Source Datajson Identifier True
    Source Hash f5d30b7fa502778cf77ff73ab1953d78353f3a74411d3e33e3e1df5440ebfee2
    Source Schema Version 1.1
    Spatial
    Temporal 2012-05-01T00:00:00Z/2014-11-30T23:59:59Z

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