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Juvvasshøe
Mountain in Innlandet, Norway
Mountain in Innlandet, Norway
| Field | Value |
|---|---|
| name | Juvvasshøe |
| mapframe | yes |
| mapframe-zoom | 9 |
| mapframe-wikidata | yes |
| mapframe-caption | Interactive map of the mountain |
| coordinates | |
| location | Innlandet, Norway |
| elevation_m | 1893 |
| prominence_m | 52 |
| isolation_km | 0.869 |
| elevation_ref | |
| prominence_ref | |
| isolation_ref | |
| range | Jotunheimen |
| parent_peak | Galdhøpiggen |
| topo |
| mapframe-zoom = 9 | mapframe-wikidata = yes | mapframe-caption = Interactive map of the mountain
Juvvasshøe is a mountain in Lom Municipality in Innlandet county, Norway. The 1893 m tall mountain is located in the Jotunheimen mountains just outside the border of Jotunheimen National Park. The mountain sits about 20 km southwest of the village of Fossbergom and about 50 km northeast of the village of Øvre Årdal. The mountain is surrounded by several other notable mountains including Lauvhøe to the northeast, Glittertinden to the east, Galdhøe and Galdhøpiggen to the southwest, and Storhøe to the northwest.
Climate and permafrost
The mean annual air temperature at Juvvasshøe is -4.1 C. This value is extrapolated from a larger number of official Norwegian weather stations. According to the experience in other alpine and polar regions this temperature indicates that permafrost must be widespread and probably extends to a depth of several hundred meters. Within the EU-sponsored project PACE (Permafrost and Climate in Europe), a 129 m deep vertical borehole in bedrock was drilled in August 1999 on Juvvasshøe at an altitude of 1893 m above sea level. The stable ground temperature at a depth of 100 m is still -2.6 C. The measured geothermal gradient in the drillhole of 1.19 C per 100 m allows a calculation of a permafrost thickness of 320 m, a proof that widespread permafrost occurrences must exist in the Jotunheimen area at these altitudes.
Juvvasshøe is surrounded by several other notable mountains of Jotunheimen including Glittertinden to the east, Galdhøe and Galdhøpiggen to the southwest. They are even several hundred meters higher. The expected mean annual air temperature at these highest peaks is in the order of -7 C, a value characteristic for areas with continuous permafrost and a considerable permafrost thickness. For many Scandinavian scientists, this was surprising and not accepted until the fifth International Conference on Permafrost (ICOP) in 1988 in Trondheim followed by field excursions in Norway and Sweden with international periglacial experts. However, the first permafrost findings date back to the 1970s and early 1980s when thick permafrost occurrences were proved with geophysical soundings.
References
References
- "Juvvasshøe, Lom". [[yr.no]].
- "Juvvasshøe".
- "Informasjon om stadnamn". [[Norwegian Mapping Authority.
- King, Lorenz. (1984). "Permafrost in Skandinavien - Untersuchungsergebnisse aus Lappland, Jotunheimen und Dovre/Rondane". Heidelberger Geographische Arbeiten.
- Harris, Charles. (2001). "Permafrost Monitoring in the High Mountains of Europe: the PACE Project in its Global Context". Permafrost and Periglacial Processes.
- King, Lorenz. (1983). "High Mountain Permafrost in Scandinavia". Permafrost: Fourth International Conference, Proceedings.
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