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- open snow (includes snow on low vegetation) changes with age but is broadly ~0.85 for fresh snow to ~0.50 for old snow.
- forest snow (snow beneath high vegetation) depends on vegetation type. It is broadly ~0.3 just after a heavy snowfall decreasing to ~0.2 after a few days due to snowmelt (for sufficiently warm temperatures) or wind drift (for cold temperatures).
- ice depends on snow cover but varies between ~0.7 with snow and ~0.4 without snow.
- melt ponds on otherwise extensive sea ice can reduce albedo locally.
- open water, lakes and sea is <0.1
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