Concept information
Preferred term
FIRN
Definition
- Rounded, well-bonded snow that is older han one year. A permeable aggregate of small ice grains with densities greater than 0.55 up to 0.82 where begins glacial ice. (Glossary of glacier terms/Northeastern Illinois University) (en)
Broader concept
- GLACIERS/ICE SHEETS (en)
Narrower concepts
- SNOW GRAIN SIZE (en)
Change note
- 2018-12-17 13:32:50.0 [tstevens] Insert Concept add narrower relation (FIRN [ff79c018-8d61-4811-91bc-c4ddea29677c,86611] - SNOW GRAIN SIZE [2ba27dc1-e2e6-4ce5-be05-fb4e4dd5ab54,368389]);
URI
https://gcmd.earthdata.nasa.gov/kms/concept/ff79c018-8d61-4811-91bc-c4ddea29677c
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