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VIIRS/JPSS1 BRDF/Albedo Quality Daily L3 Global 1km SIN Grid NRT

Metadata Updated: February 3, 2025

The VIIRS/JPSS1 BRDF/Albedo Quality Daily L3 Global 1 km SIN Grid Near Real Time (NRT), short-name VJ143MA2N product provides BRDF and Albedo quality at 1 km resolution. The VNP43MA2N product is produced daily using 16-day VIIRS data (i.e., the current day and the previous 15 days).

The algorithm uses the RossThick/Li-Sparse-Reciprocal (RTLSR) semi-empirical kernel-driven BRDF model, with the three kernel weights from VJ143MA1N to reconstruct surface anisotropic effects, correcting the directional reflectance to a common view geometry (VJ143MA4N), while also computing integrated black-sky albedo (BSA) at local solar noon and white-sky albedo (WSA) (VJ143MA3N). Researchers can use the BRDF model parameters with a simple polynomial, to obtain black-sky albedo at any solar illumination angle. Likewise, both the BSA and WSA Science Dataset (SDS) layers can be used with a simple polynomial, to manually estimate instantaneous actual albedo (blue-sky albedo). Additional details regarding the methodology are available in the Algorithm Theoretical Basis Document (ATBD) at https://www.umb.edu/editor_uploads/images/school_for_the_environment_cs/Viirs/VIIRS_ATBD_Apr_Jul2017.pdf

The VJ143MA2N data product provides a total of 23 SDS layers including: BRDF/Albedo band quality and days of valid observation within a 16-day period for VIIRS moderate resolution bands: M1-M5, M7-M8, and M10-M11, as well as land water type class flag, snow BRDF albedo class flag, local solar noon, and the platform name.

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 7, 2023
Metadata Updated Date February 3, 2025

Metadata Source

Harvested from NASA Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date December 7, 2023
Metadata Updated Date February 3, 2025
Publisher NASA/GSFC/SED/ESD/TISL/MODAPS
Maintainer
Identifier C2808131412-LANCEMODIS
Data First Published 2023-11-20
Language en-US
Data Last Modified 2025-02-18
Category NOAA - SPACE WEATHER PROGRAM, 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 LANCEMODIS. 2023-11-20. VIIRS/JPSS1 BRDF/Albedo Quality Daily L3 Global 1 km SIN Grid NRT. Version 2. NASA GSFC LANCE. Archived by National Aeronautics and Space Administration, U.S. Government, LANCEMODIS. https://doi.org/10.5067/VIIRS/VJ143MA2N.002. https://doi.org/10.5067/VIIRS/VJ143MA2N.002.
Creator LANCEMODIS
Harvest Object Id 3923ba88-962b-460b-8e60-49f43baf78a7
Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
Harvest Source Title NASA Data.json
Homepage URL https://doi.org/10.5067/VIIRS/VJ143MA2N.002
Metadata Type geospatial
Old Spatial -180.0 -80.0 180.0 80.0
Program Code 026:001
Release Place NASA GSFC LANCE
Source Datajson Identifier True
Source Hash 398f2e177387b914af9f460b0865912d95c64a70292683247a5615c7289da3f0
Source Schema Version 1.1
Spatial
Temporal 2023-11-20T00:00:00Z/2025-02-03T00:00:00Z

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