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source
- Rutgers U.; NSIDC
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data type
- Interpreted/diagnosed from optical imagery
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spatial domain
- Northern Hemisphere
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spatial resolution
- 1024 x 1024 grid: Cell areas range from ~159 km2 at the equator to ~651 km2 near the pole
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temporal coverage
- Sept 1980 - present
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time step
- Weekly
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data format
- NetCDF
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comments
- As above, but in this dataset snow charts used before 1999 are digitized at 24 km resolution starting from late 1980. Starting in 1999, Northern Hemisphere snow charts are produced at 24 km resolution on a daily basis using the IMS data.