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    • Pre SWOT Hydrology GRRATS Virtual Station River Heights Version 2

    Metadata Updated: December 6, 2023

    The Global River Radar Altimeter Time Series (GRRATS) are simulated river gauge data that are derived from ERS-1, ERS-2, TOPEX/Poseidon OSTM/Jason-2, Jason-3 and Envisat altimetric measurements. The purpose of these heights are to provide satellite altimetric river height data in a form that is more recognizable to the observational community and as a way to get users use to using satellite data for river hydrology. These pre SWOT data are derived from satellites to provide hydrological measurements. The Surface Water and Ocean Topography (SWOT) mission will have hydrology as one of its objectives. This dataset does not have the same variables as SWOT, but does provide hydrological measurements with typical quality flagging typical of satellite data. Not only does it provide science information, it can also assist hydrological users new to satellite data with the satellite data formats and variables before SWOT launches.If you are looking for version 1 it can be found at https://podaac.jpl.nasa.gov/dataset/PRESWOT_HYDRO_GRRATS_L2_VIRTUAL_STATION_HEIGHTS_V1 however this version should be used with caution. Version 2, this page, is the most recent version with the most accurate algorithms used for producing river heights.

    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

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    Additional Metadata

    Resource Type Dataset
    Metadata Created Date December 1, 2022
    Metadata Updated Date December 6, 2023
    Publisher NASA/JPL/PODAAC
    Maintainer
    Identifier C2036882009-POCLOUD
    Data First Published 2019-08-19
    Language en-US
    Data Last Modified 2019-08-19
    Category MEaSUREs, 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 Coss, Stephen; Durand, Michael; Lettenmaier, Dennis; Yi, Yuchan; Jia, Yuanyuan; Guo, Qi; Tuozzolo, Stephen; Shum, C.K.; Allen, George H.; Calmant, Stephane; Pavelsky, Tamlin. 2019-08-30. Pre SWOT Hydrology GRRATS Virtual Station. Version 2. PRESWOT_HYDRO_GRRATS_L2_VIRTUAL_STATION_HEIGHTS_V2. PO.DAAC. Archived by National Aeronautics and Space Administration, U.S. Government, NASA/JPL/SWOT. https://doi.org/10.5067/PSGRA-SA2V2. https://podaac-tools.jpl.nasa.gov/drive/files/allData/preswot_hydrology/L2/rivers/docs/GRRATS_user_handbookV2.pdf. Coss, Stephen; Durand, Michael; Lettenmaier, Dennis; Yi, Yuchan; Jia, Yuanyuan; Guo, Qi; Tuozzolo, Stephen; Shum, C.K.; Allen, George H.; Calmant, Stephane; Pavelsky, Tamlin, NASA/JPL/SWOT, 2019-08-30, Pre SWOT Hydrology GRRATS Virtual Station River Heights Version 2, https://podaac-tools.jpl.nasa.gov/drive/files/allData/preswot_hydrology/L2/rivers/docs/GRRATS_user_handbookV2.pdf.
    Creator Coss, Stephen; Durand, Michael; Lettenmaier, Dennis; Yi, Yuchan; Jia, Yuanyuan; Guo, Qi; Tuozzolo, Stephen; Shum, C.K.; Allen, George H.; Calmant, Stephane; Pavelsky, Tamlin
    Graphic Preview Description Thumbnail
    Graphic Preview File https://podaac.jpl.nasa.gov/Podaac/thumbnails/PRESWOT_HYDRO_GRRATS_L2_VIRTUAL_STATION_HEIGHTS_V2.jpg
    Harvest Object Id 1dcc7dda-ab53-468b-bbf9-ea819f669ca8
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.5067/PSGRA-SA2V2
    Metadata Type geospatial
    Old Spatial -180.0 -90.0 180.0 90.0
    Program Code 026:001
    Release Place PO.DAAC
    Series Name Pre SWOT Hydrology GRRATS Virtual Station
    Source Datajson Identifier True
    Source Hash fdf9aa5e96578d27859d30e5769fe571e2e1d693b1a108e165d048c8a54d6c17
    Source Schema Version 1.1
    Spatial
    Temporal 1992-04-06T06:00:00Z/2018-04-20T16:03:55Z

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