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    • GLDAS VIC Land Surface Model L4 3 hourly 1.0 x 1.0 degree V2.0 (GLDAS_VIC10_3H) at GES DISC

    Metadata Updated: December 6, 2023

    NASA Global Land Data Assimilation System Version 2 (GLDAS-2) has three components: GLDAS-2.0, GLDAS-2.1, and GLDAS-2.2. GLDAS-2.0 is forced entirely with the Princeton meteorological forcing input data and provides a temporally consistent series from 1948 through 2014. GLDAS-2.1 is forced with a combination of model and observation data from 2000 to present. GLDAS-2.2 product suites use data assimilation (DA), whereas the GLDAS-2.0 and GLDAS-2.1 products are "open-loop" (i.e., no data assimilation). The choice of forcing data, as well as DA observation source, variable, and scheme, vary for different GLDAS-2.2 products.

    This data set, GLDAS-2.0 VIC 3-hourly 1.0 degree, contains a series of land surface variables simulated simulated with the Variable Infiltration Capacity (VIC) 4.1.2 Land Surface Model in Land Information System (LIS) Version 7. The data set currently cover from January 1948 to December 2014, but will be extended as the forcing data becomes available. The GLDAS-2.0 data are archived and distributed in netCDF format.

    The GLDAS-2.0 model simulations were initialized on January 1, 1948, using soil moisture and other state fields from the LSM climatology for that day of the year. The simulations were forced by the global meteorological forcing data set from Princeton University (Sheffield et al., 2006). Each simulation uses the common GLDAS data sets for land water mask (MOD44W: Carroll et al., 2009) and elevation (GTOPO30) along with the model default land cover and soils datasets. Catchment model uses the Mosaic land cover classification and soils, topographic, and other model-specific parameters were derived in a consistent manner as in the NASA/GMAO’s GEOS-5 climate modeling system. The MODIS based land surface parameters are used in the current GLDAS-2.0 and GLDAS-2.1 products.

    In October 2020, all 3-hourly and monthly GLDAS-2 data were post-processed with the MOD44W MODIS land mask. Previously, some grid boxes over inland water were considered as over land and, thus, had non-missing values. The post-processing corrected this issue and masked out all model output data over inland water; the post-processing did not affect the meteorological forcing variables. More information can be found in the GLDAS-2 README. The MOD44W MODIS land mask is available on the GLDAS Project site.

    If you had downloaded the GLDAS data prior to November 2020, please download the data again to receive the post-processed data.

    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

    References

    https://doi.org/10.1175/BAMS-85-3-381

    Dates

    Metadata Created Date November 12, 2020
    Metadata Updated Date December 6, 2023

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Graphic Preview

    GLDAS-2.0 VIC 3-hourly 1.0 degree Root zone soil moisture [kg m-2] 03Z Jan 01, 1948

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date December 6, 2023
    Publisher NASA/GSFC/SED/ESD/GCDC/GESDISC
    Maintainer
    Identifier C1933574580-GES_DISC
    Data First Published 2020-07-15
    Language en-US
    Data Last Modified 2020-07-15
    Category GLDAS, 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 Beaudoing, H. and M. Rodell, NASA/GSFC/HSL. 2020-01-30. GLDAS_VIC10_3H. Version 2.0. GLDAS VIC Land Surface Model L4 3 hourly 1.0 x 1.0 degree V2.0. Greenbelt, Maryland, USA. Archived by National Aeronautics and Space Administration, U.S. Government, Goddard Earth Sciences Data and Information Services Center (GES DISC). https://doi.org/10.5067/B6OMXPRI022J. https://disc.gsfc.nasa.gov/datacollection/GLDAS_VIC10_3H_2.0.html. Digital Science Data.
    Creator Beaudoing, H. and M. Rodell, NASA/GSFC/HSL
    Data Presentation Form Digital Science Data
    Graphic Preview Description GLDAS-2.0 VIC 3-hourly 1.0 degree Root zone soil moisture kg m-2 03Z Jan 01, 1948
    Graphic Preview File https://docserver.gesdisc.eosdis.nasa.gov/public/project/Images/GLDAS_VIC10_3H_2.0.png
    Harvest Object Id a732fcdf-c858-42a8-8b55-8a1bc7f2f2ba
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.5067/B6OMXPRI022J
    Metadata Type geospatial
    Old Spatial -180.0 -60.0 180.0 90.0
    Program Code 026:001
    Related Documents https://doi.org/10.1175/BAMS-85-3-381
    Release Place Greenbelt, Maryland, USA
    Series Name GLDAS_VIC10_3H
    Source Datajson Identifier True
    Source Hash 6429a10c9bc41d691e17bff7b9b2fbf5e9252270c45113ef00701c9d78505cce
    Source Schema Version 1.1
    Spatial
    Temporal 1948-01-01T03:00:00Z/2022-01-17T00:00:00Z

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