firn.edu
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1. Firn - Wikipedia
Link: https://en.wikipedia.org/wiki/Firn
Description: WEBFirn ( / fɪərn /; from Swiss German firn "last year's", cognate with before) is partially compacted névé, a type of snow that has been left over from past seasons and has been recrystallized into a substance denser than névé. It is ice that is at an intermediate stage between snow and glacial ice. [1] Firn has the appearance of wet sugar ...
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2. Firn | Glacial, Snowpack, Cryosphere | Britannica
Link: https://www.britannica.com/science/firn
Description: WEBFirn, partially compacted granular snow that is the intermediate stage between snow and glacial ice. Firn is found under the snow that accumulates at the head of a glacier. It is formed under the pressure of overlying snow by the processes of compaction, recrystallization, localized melting, and.
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3. Firn on ice sheets | Nature Reviews Earth & Environment
Link: https://www.nature.com/articles/s43017-023-00507-9
Description: WEBJan 23, 2024 · Abstract. Most of the Greenland and Antarctic ice sheets are covered with firn — the transitional material between snow and glacial ice. Firn is vital for understanding ice-sheet mass balance...
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4. Firn Definition & Meaning - Merriam-Webster
Link: https://www.merriam-webster.com/dictionary/firn
Description: WEBThe meaning of FIRN is névé. Recent Examples on the Web The oldest snow heats and cools, maybe losing some mass from some melting (or sublimating -- going straight to gas), but the snow will condense into granules of ice called firn and then ice and finally glacial ice. — Erik Klemetti, Discover Magazine, 15 Aug. 2022 Ice and firn, or dense snow leftover from …
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5. From Snow to Firn to Glacier ice - AntarcticGlaciers.org
Link: https://www.antarcticglaciers.org/glacier-processes/from-snow-to-glacier-ice/
Description: WEBOct 1, 2020 · Firn is usually defined as snow that is at least one year old and has therefore survived one melt season, without being transformed to glacier ice. Firn is transformed gradually to glacier ice as density increases with depth, as older snow is buried by newer snow falling on top of it.
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6. firn | National Snow and Ice Data Center
Link: https://nsidc.org/learn/cryosphere-glossary/firn
Description: WEBfirn. rounded, well-bonded snow that is older than one year; firn has a density greater than 550 kilograms per cubic-meter (35 pounds per cubic-foot); called névé during the first year.
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7. Firn | SpringerLink
Link: https://link.springer.com/chapter/10.1007/978-3-030-42584-5_11
Description: WEBOct 29, 2020 · Firn is the transitional stage between snow and ice. This chapter describes firn densification and different ways of modelling this process; microstructures in firn; and two of the more important glaciological applications of firn models: the correction of satellite altimetry data during mass-budget monitoring of ice sheets, and the derivation ...
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8. Firn aquifers: From discovery to impact | National Snow and Ice …
Link: https://nsidc.org/news-analyses/news-stories/firn-aquifers-discovery-impact
Description: WEBAug 8, 2023 · In 2011, a group of scientists in southeastern Greenland discovered a massive perennial firn aquifer—a year-round, water-bearing layer within the firn. Since then, scientists have discovered more areas around the world bearing this ice feature, but questions remain to their development and impact.
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9. Firn | Earthdata
Link: https://www.earthdata.nasa.gov/topics/cryosphere/glaciers-ice-sheets/firn
Description: WEBApr 28, 2022 · Firn. Rounded, well-bonded snow that is older than 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. Definition source: National Snow and Ice Data Center. The Earth Observing System Data and Information System is a key core capability in NASA’s Earth ...
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10. Firn - Wikiwand
Link: https://www.wikiwand.com/en/Firn
Description: WEBFirn is partially compacted névé, a type of snow that has been left over from past seasons and has been recrystallized into a substance denser than névé. It is ice that is at an intermediate stage between snow and glacial ice. Firn has the appearance of wet sugar, but has a hardness that makes it extremely resistant to shovelling. Its density generally ranges from 0.35 …
