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Description
This global Level-3 data set (MOD10A1F) provides daily cloud-free snow cover derived from the MODIS/Terra Snow Cover Daily L3 Global 500m SIN Grid data set (MOD10A1). Grid cells in MOD10A1 which are obscured by cloud cover are filled by retaining clear-sky views of the surface from previous days. A separate parameter is provided which tracks the number of days in each cell since the last clear-sky observation. Each data granule contains a 10° x 10° tile projected to the 500 m sinusoidal grid.
The terms "Version 61" and "Collection 6.1" are used interchangeably in reference to this release of MODIS data.
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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Hall, D., & Riggs, G. (2020). MODIS/Terra CGF Snow Cover Daily L3 Global 500m SIN Grid, Version 61 [Data set]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/MODIS/MOD10A1F.061 Date Accessed: 2026-05-02
Hall, Dorothy, and George Riggs. “MODIS/Terra CGF Snow Cover Daily L3 Global 500m SIN Grid, Version 61.” NASA National Snow and Ice Data Center Distributed Active Archive Center, 2020. doi:10.5067/MODIS/MOD10A1F.061. Date Accessed: 2026-05-02
Hall, Dorothy, and George Riggs. MODIS/Terra CGF Snow Cover Daily L3 Global 500m SIN Grid, Version 61. NASA National Snow and Ice Data Center Distributed Active Archive Center, 2020, doi:10.5067/MODIS/MOD10A1F.061. Date Accessed: 2026-05-02
Hammond, John C., Sexstone, Graham A., Putman, Annie L., Barnhart, Theodore B., Rey, David M., Driscoll, Jessica M., Liston, Glen E., Rasmussen, Kristen L., McGrath, Daniel, Fassnacht, Steven R., Kampf, Stephanie K.