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    • UC Berkeley CYGNSS Level 3 Daily RWAWC Watermask Version 3.2

    Metadata Updated: August 27, 2024

    The CYGNSS Level 3 UC Berkeley Watermask Record Version 3.2 was developed by CYGNSS investigators in the Department of Civil and Environmental Engineering at the University of California, Berkeley. CYGNSS was launched on 15 December 2016, it is a NASA Earth System Science Pathfinder Mission that was launched with the purpose of collecting the first frequent space‐based measurements of surface wind speeds in the inner core of tropical cyclones. Originally made up of a constellation of eight micro-satellites, the observatories provide nearly gap-free Earth coverage using an orbital inclination of approximately 35° from the equator, with a mean (i.e., average) revisit time of seven hours and a median revisit time of three hours.

    This dataset is derived from version 3.2 of the CYGNSS L1 SDR dataset (https://doi.org/10.5067/CYGNS-L1X32). This is an update from the previous watermask monthly product (https://doi.org/10.5067/CYGNS-L3W31) which derived from the CYGNSS L1 SDR v3.1 (https://doi.org/10.5067/CYGNS-L1X31). The new product provides daily binary inland surface water classification data at a 0.01-degree (~1x1 kilometer) resolution with an approximate 6-day latency. The algorithm utilized data from up to 30 days prior to generate the daily map. This product, known as the UC Berkeley Random Walk Algorithm WaterMask from CYGNSS (Berkeley-RWAWC), generates water classification for a given location based on CYGNSS observations combined with a random walker algorithm. The watermask variable includes binary values indicating land (0), surface water (1), and no data/ocean (-99). The data product is archived in daily files in netCDF-4 format and covers the period from September 2018 to present.

    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/10.1029/2024WR037060

    Dates

    Metadata Created Date August 27, 2024
    Metadata Updated Date August 27, 2024

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Graphic Preview

    Thumbnail

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date August 27, 2024
    Metadata Updated Date August 27, 2024
    Publisher NASA/JPL/PODAAC
    Maintainer
    Identifier C3168830666-POCLOUD
    Data First Published 2020-07-24
    Language en-US
    Data Last Modified 2020-07-24
    Category CYGNSS, 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 CYGNSS. 2024-08-30. UC Berkeley CYGNSS Level 3 RWAWC Watermask. Version 3.2. UC Berkeley CYGNSS Level 3 Daily RWAWC Watermask Version 3.2. PO.DAAC. Archived by National Aeronautics and Space Administration, U.S. Government, PO.DAAC. https://doi.org/10.5067/CYGNS-3WD32. https://cygnss.engin.umich.edu/. CYGNSS, PO.DAAC, 2020-08-21, CYGNSS Level 1 Raw Intermediate Frequency Data Record, http://clasp-research.engin.umich.edu/missions/cygnss/.
    Creator CYGNSS
    Graphic Preview Description Thumbnail
    Graphic Preview File https://podaac.jpl.nasa.gov/Podaac/thumbnails/CYGNSS_L3_UC_BERKELEY_WATERMASK_V3.1.jpg
    Harvest Object Id c89ac68b-2467-463d-bed0-807372783ae8
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.5067/CYGNS-3WD32
    Metadata Type geospatial
    Old Spatial -180.0 -37.4 180.0 37.4
    Program Code 026:001
    Related Documents https://doi.org/10.1029/2024WR037060
    Release Place PO.DAAC
    Series Name UC Berkeley CYGNSS Level 3 RWAWC Watermask
    Source Datajson Identifier True
    Source Hash 3a6fa6d4b806d906b3cb8ad11baa07e8cad8c70070fbc6fdeda3093deb041436
    Source Schema Version 1.1
    Spatial
    Temporal 2018-08-01T00:00:00Z/2024-08-26T00:00:00Z

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