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Description

This global Level-3 (L3) data set provides monthly average snow cover within 0.05° (approx. 5 km) MODIS Climate Modeling Grid (CMG) cells. Monthly averages are computed from daily snow cover observations in the MODIS/Aqua Snow Cover Daily L3 Global 0.05Deg CMG (https://doi.org/10.5067/MODIS/MYD10CM.061) data set.

The terms "Version 61" and "Collection 6.1" are used interchangeably in reference to this release of MODIS data.

Version Description

1. The low visible reflectance screen for snow cover using bands 2 and 4 was lowered from 0.10 to 0.07. 2. Cloud mask algorithm flags are set for 'probably cloudy' and 'probably clear' sky conditions in the algorithm flags QA data set.

Product Summary

Platforms
Aqua
Instruments
MODIS
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Spatial Resolution
0.05 Decimal Degrees x 0.05 Decimal Degrees
Location
GLOBAL LAND
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2002-07-04 to Present
Temporal Resolution
1 Month
Concept ID
C3091267534-NSIDC_CPRD
Data State
ACTIVE
Number of Files/Granules
289
Processing Level
3
Published
Science Keywords
Snow Cover

Citation

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.

Copy Citation

Hall, D., & Riggs, G. (2021). MODIS/Aqua Snow Cover Monthly L3 Global 0.05Deg CMG, Version 61 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/MODIS/MYD10CM.061 Date Accessed: 2026-10-08

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  • Ma, Xin, Wang, Aihui
On the value of satellite remote sensing to reduce uncertainties of regional simulations of the Colorado River
  • Xiao, Mu, Mascaro, Giuseppe, Wang, Zhaocheng, Whitney, Kristen M., Vivoni, Enrique R.
Satellite Retrieval of Microwave Land Surface Emissivity under Clear and
  • Hu, Jiheng, Fu, Yuyun, Zhang, Peng, Min, Qilong, Gao, Zongting, Wu, Shengli, Li, Rui
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