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source
- NSIDC; NASA
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data type
- Interpreted/diagnosed from optical imagery
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spatial domain
- Global
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spatial resolution
- 500 m (nominal) on sinusoidal grid
0.05° Climate Modelling Grid
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temporal coverage
- Terra: 24 Feb. 2000 - present
Aqua: 4 Jul. 2002 - present
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time step
- Sub-daily; Daily; Monthly
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data format
- GeoTIFF; HDF
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comments
- NDSI generated from optical images, with several additional filters.
Data available as 5-min. swath scene, daily, 8 days and 1-month, in HDF-EOS2 format. Note that areas viewed under Polar Night are presumed to be snow-covered.