Concept information
Preferred term
FIRN
Definition
- Rounded, well-bonded snow that is older han one year (from NSIDC glossary). A permeable aggregate of small ice grains with densities greater than 0.55 up to 0.82 where begins glacial ice. (en)
Broader concept
- GLACIERS/ICE SHEETS (en)
Narrower concepts
- FIRN AIR CONTENT (en)
- SNOW GRAIN SIZE (en)
Change note
- 2018-12-17 13:29:21.0 [tstevens] Insert Concept add narrower relation (FIRN [6159b9d9-4aa5-4dec-8146-0e47751449ff,84419] - SNOW GRAIN SIZE [a30b2871-4cdc-418a-b00c-969b50008726,368385]);
- 2019-10-30 13:47:21.0 [sritz] Insert Concept add narrower relation (FIRN [6159b9d9-4aa5-4dec-8146-0e47751449ff,84419] - FIRN AIR CONTENT [0229714c-7960-4179-b671-30ceb9bf68bb,370067]);
URI
https://gcmd.earthdata.nasa.gov/kms/concept/6159b9d9-4aa5-4dec-8146-0e47751449ff
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