Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
  • Feedback

    • ABoVE: Year-Round Soil CO2 Efflux in Alaskan Ecosystems, Version 2.1

    Metadata Updated: May 6, 2024

    This dataset provides soil-surface carbon dioxide (CO2) efflux derived from measurements of soil respiration with forced diffusion (FD) chambers. Soil Respiration Stations (SRS) were installed at 11 boreal and tundra sites along a broad south-to-north transect starting from near Fairbanks in interior Alaska and extending to Atqasuk in northern Alaska. Each SRS measures soil respiration and ambient atmospheric CO2 concentrations with a forced diffusion (FD) chamber to derive soil CO2 flux. The SRS also measures soil CO2 concentrations and temperatures using instrumented chambers buried at 5, 10, and 15 cm depths in the soil profile. At the highest measurement frequency, data are collected hourly, and during the lowest winter frequency, every 48 hours. The data include flux values and running median filtered values from the two or three FD chambers at each site. Soil CO2 and temperature profile data (beginning June 2017) were collected beginning 2016-08-18 through 2023-09-02. This dataset updates four sites with extended temporal coverage. As of this publication, sampling is continuing, and new data will be added as available.

    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 May 6, 2024

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Graphic Preview

    a) A Soil Respiration Station (SRS) deployed at a boreal forest site in central Alaska; b) the SRS data logger; c) a Forced Diffusion Chamber (FD chamber) installed at a site.

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date December 1, 2022
    Metadata Updated Date May 6, 2024
    Publisher ORNL_DAAC
    Maintainer
    Identifier C2143811850-ORNL_CLOUD
    Data First Published 2024-05-02
    Language en-US
    Data Last Modified 2024-05-03
    Category 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 Minions, C., S. Natali, J.D. Watts, S. Ludwig, and D. Risk. 2019. ABoVE: Year-Round Soil CO2 Efflux in Alaskan Ecosystems, Version 2.1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1762
    Graphic Preview Description a) A Soil Respiration Station (SRS) deployed at a boreal forest site in central Alaska; b) the SRS data logger; c) a Forced Diffusion Chamber (FD chamber) installed at a site.
    Graphic Preview File https://daac.ornl.gov/ABOVE/guides/Arctic_Winter_Respiration_v2_Fig1.png
    Harvest Object Id 3ff83e7e-8e7e-4600-8546-b58bacfff5ca
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.3334/ORNLDAAC/1762
    Metadata Type geospatial
    Old Spatial -157.41 63.88 -146.56 70.47
    Program Code 026:001
    Source Datajson Identifier True
    Source Hash d0ef3b4605b3a0295cf1186c5494a20bcf69f50eff656f83d1d4f9d03611dad2
    Source Schema Version 1.1
    Spatial
    Temporal 2016-08-18T00:00:00Z/2023-09-02T12:00:00Z

    Didn't find what you're looking for? Suggest a dataset here.