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  • MODIS/Aqua Surface Reflectance 8-Day L3 Global 500m SIN Grid V006

    Metadata Updated: December 4, 2020

    The Moderate Resolition Imaging Spectroradiometer (MODIS) Aqua MYD09A1 Version 6 product provides an estimate of the surface spectral reflectance of Aqua MODIS Bands 1 through 7 corrected for atmospheric conditions such as gasses, aerosols, and Rayleigh scattering. Along with the seven 500 meter (m) reflectance bands are a quality layer and four observation bands. For each pixel, a value is selected from all the acquisitions within the 8-day composite period. The criteria for the pixel choice include cloud and solar zenith. When several acquisitions meet the criteria the pixel with the minimum channel 3 (blue) value is used.

    Improvements/Changes from Previous Versions

    • Improvements to the aerosol retrieval and correction algorithm along with new aerosol retrieval look-up tables.
    • Refinements to the internal snow, cloud, and cloud shadow detection algorithms. Uses Bidirectional Reflectance Distribution Function (BRDF) database to better constrain the different threshold used.
    • Processes ocean bands to create a new Surface Reflectance Ocean product and provides Quality Assurance (QA) datasets for these bands.
    • Improved discrimination of salt pans from cloud and snow, along with the inclusion of a salt pan flag in the QA band.

    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 November 12, 2020
    Metadata Updated Date December 4, 2020

    Metadata Source

    Harvested from NASA Data.json

    Graphic Preview

    Browse image for Earthdata Search

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date December 4, 2020
    Publisher LP DAAC
    Unique Identifier Unknown
    Maintainer
    Identifier C193529457-LPDAAC_ECS
    Data First Published 2010-08-31
    Language en-US
    Data Last Modified 2015-09-30
    Category Aqua, 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 Archived by National Aeronautics and Space Administration, U.S. Government, LP DAAC. https://doi.org/10.5067/MODIS/MYD09A1.006.
    Graphic Preview Description Browse image for Earthdata Search
    Graphic Preview File https://e4ftl01.cr.usgs.gov//WORKING/BRWS/Browse.001/2019.06.27/BROWSE.MYD09A1.A2019169.h12v10.006.2019178033736.1.jpg?_ga=2.149700854.116070394.1561987039-1109527761.1561753117
    Homepage URL https://doi.org/10.5067/MODIS/MYD09A1.006
    Metadata Type geospatial
    Program Code 026:001
    Source Datajson Identifier True
    Source Hash 3537114db144a6ffcbdcfa305029686fe298874e
    Source Schema Version 1.1
    Spatial -180.0 -90.0 180.0 90.0
    Temporal 2002-07-04T00:00:00Z/2020-11-30T00:00:00Z

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