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Description
The Moderate Resolution Imaging Spectroradiometer (MODIS) MCD43A3 Version 6.1 Albedo Model dataset is produced daily using 16 days of Terra and Aqua MODIS data at 500 meter (m) resolution. Data are temporally weighted to the ninth day of the 16 day which is reflected in the Julian date in the file name.
Users are urged to use the band specific quality flags to isolate the highest quality full inversion results for their own science applications as described in the User Guide.
The MCD43A3 provides black-sky albedo (directional hemispherical reflectance) and white-sky albedo (bihemispherical reflectance) data at local solar noon for MODIS bands 1 through 7 and the visible, near infrared (NIR), and shortwave bands. Along with the albedo layers are the simplified mandatory quality layers for each of the 10 bands. Essential quality information provided in the corresponding MCD43A2 data file should be consulted when using this product.
The following changes and improvements were implemented for inputs to MODIS Version 6.1 BRDF/Albedo Model Parameters data products: (1) Version 6.1 Level-1B (L1B) products have been improved by undergoing various calibration changes that include: changes to the response-versus-scan angle (RVS) approach that affects reflectance bands for Aqua and Terra MODIS, corrections to adjust for the optical crosstalk in Terra MODIS infrared (IR) bands, and corrections to the Terra MODIS forward look-up table (LUT) update for the period 2012 – 2017, and (2) A polarization correction has been applied to the L1B Reflective Solar Bands (RSB).
Land Processes Distributed Active Archive Center (LP DAAC)
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School for the Environment, University of Massachusetts, Boston (UMASS-B/SFE)
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MODIS Adaptive Processing System, Terrestrial Information Systems Laboratory, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA (NASA/GSFC/SED/ESD/TISL/MODAPS)
Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.
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Schaaf, C., & Wang, Z. (2021). MODIS/Terra+Aqua BRDF/Albedo Daily L3 Global - 500m V061 [Dataset]. NASA Land Processes Distributed Active Archive Center. https://doi.org/10.5067/MODIS/MCD43A3.061 Date Accessed: 2026-08-25
@misc{schaaf_wang_2021,
title={MODIS/Terra+Aqua BRDF/Albedo Daily L3 Global - 500m V061},
url={https://www.earthdata.nasa.gov/data/catalog/lpcloud-mcd43a3-061},
DOI={10.5067/MODIS/MCD43A3.061},
publisher={NASA Land Processes Distributed Active Archive Center},
author={Schaaf, Crystal and Wang, Zhuosen},
year={2021},
}
Schaaf, C., & Wang, Z. (2021). MODIS/Terra+Aqua BRDF/Albedo Daily L3 Global - 500m V061 [Dataset]. NASA Land Processes Distributed Active Archive Center. https://doi.org/10.5067/MODIS/MCD43A3.061 Date Accessed: 2026-08-25
Schaaf, Crystal, and Zhuosen Wang. “MODIS/Terra+Aqua BRDF/Albedo Daily L3 Global - 500m V061.” NASA Land Processes Distributed Active Archive Center, 2021, https://doi.org/10.5067/MODIS/MCD43A3.061. Date Accessed: 2026-08-25
File Naming Convention
MCD43A3.A2025212.h11v12.061.2025221032740.hdf
The file name begins with the Product Short Name (MCD43A3) followed by the Julian Date of Acquisition formatted as AYYYYDDD (A2025212), the Tile Identifier which is horizontal tile and vertical tile provided as hXXvYY (h11v12), the Version of the data collection (061), the Julian Date and Time of Production designated as YYYYDDDHHMMSS (2025221032740), and the Data Format (hdf).
Fonseca, Claudia Adriana Bueno da, Al-Ansari, Nadhir, Silva, Richarde Marques da, Santos, Celso Augusto Guimaraes, Zerouali, Bilel, Oliveira, Daniel Bezerra de, Elbeltagi, Ahmed