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Hveravellir (Icelandic pronunciation: [ˈkʰvɛːraˌvɛtlɪr̥]) is a geothermal field (high temperature field) of the Oddnýjarhnjúkur-Langjökull [ˈɔtːˌniːjarˌn̥juːkʏr̥] subglacial volcanic system in the north of Langjökull glacier.
| Hveravellir | |
|---|---|
 Bláihver [ˈplauːɪˌkʰvɛːr̥] - blue hot spring | |
| Highest point | |
| Elevation | 650 m (2,130 ft) |
| Coordinates | 64°51′55.1″N 19°33′24.0″W |
| Geography | |
  Hveravellir Map of Iceland showing the location of Hveravellir. | |
| Location | Húnavatnshreppur, Iceland |
| Geology | |
| Mountain type | Subglacial volcano |
Description
Hveravellir geothermal area is a small nature reserve and a tourist centre located in 600 m a.s.l. at the Kjölur mountain route between the glaciers Hofsjökull and Langjökull, Central Iceland.[1] It is part of the Oddnýjarhnjúkur-Langjökull volcanic system.[2] The place has been a popular resting place in highland travels since the age of settlement, 1100-1200 years ago. It is frequently mentioned in the old sagas, annals and folklore. Refuge huts have been situated there from the early beginning. The main geothermal activity is at the northern border of the large lava shield Kjalhraun [ˈcʰalˌr̥œiːn]. The main geothermal area covers around 2.5 km². The hot springs are of various types, geysers, fumaroles, solfataras, boiling pits and warm springs with lower temperatures. The currently active geysers only have small irregular eruptions. Sinter and geyserite is prominent, forming low and wide domes around active or extinct geothermal centres. In Breiðimelur [ˈpreiːðɪˌmɛːlʏr̥] north of the main thermal area are several steam vents where people have baked black rye bread in the hot ground. A continuation of the thermal area can be traced several km towards north were several hot springs are found.[3]
The oldest excoct description of Hveravellir dates back to 1752 when Icelandic travelers Eggert Ólafsson (1726–1768) and Bjarni Pálsson (1719–1779) described the field in their travel report on the island.[4] The geothermal field is a tourist attraction; a bath can be taken in the pool created by damming the hot water stream in 1950. Hveravellir is a declared natural monument.[5]
Climate
| Climate data for Hveravellir, Iceland (1965-2004) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 8.6 (47.5) |
7.8 (46.0) |
7.7 (45.9) |
10.0 (50.0) |
15.7 (60.3) |
21.6 (70.9) |
22.7 (72.9) |
22.4 (72.3) |
16.8 (62.2) |
12.0 (53.6) |
8.6 (47.5) |
9.1 (48.4) |
22.7 (72.9) |
| Average high °C (°F) | −3.3 (26.1) |
−3.1 (26.4) |
−2.7 (27.1) |
−0.1 (31.8) |
4.1 (39.4) |
9.1 (48.4) |
11.5 (52.7) |
10.6 (51.1) |
6.3 (43.3) |
1.5 (34.7) |
−1.7 (28.9) |
−2.8 (27.0) |
2.4 (36.4) |
| Daily mean °C (°F) | −6.4 (20.5) |
−6.2 (20.8) |
−5.9 (21.4) |
−3.2 (26.2) |
0.9 (33.6) |
5.1 (41.2) |
7.3 (45.1) |
6.6 (43.9) |
2.9 (37.2) |
−1.1 (30.0) |
−4.4 (24.1) |
−5.9 (21.4) |
−0.9 (30.5) |
| Average low °C (°F) | −10.0 (14.0) |
−9.7 (14.5) |
−9.2 (15.4) |
−6.1 (21.0) |
−1.8 (28.8) |
1.9 (35.4) |
4.2 (39.6) |
3.7 (38.7) |
0.5 (32.9) |
−3.6 (25.5) |
−7.5 (18.5) |
−9.4 (15.1) |
−3.9 (25.0) |
| Record low °C (°F) | −30.4 (−22.7) |
−27.2 (−17.0) |
−26.3 (−15.3) |
−27.9 (−18.2) |
−17.1 (1.2) |
−6.9 (19.6) |
−2.0 (28.4) |
−6.3 (20.7) |
−12.1 (10.2) |
−18.2 (−0.8) |
−22.1 (−7.8) |
−28.5 (−19.3) |
−30.4 (−22.7) |
| Average precipitation mm (inches) | 63.3 (2.49) |
75.8 (2.98) |
65.4 (2.57) |
45.7 (1.80) |
38.2 (1.50) |
56.0 (2.20) |
53.4 (2.10) |
73.0 (2.87) |
62.6 (2.46) |
79.3 (3.12) |
55.6 (2.19) |
67.9 (2.67) |
736.2 (28.95) |
| Average relative humidity (%) | 85.2 | 85.4 | 85.5 | 84.8 | 83.4 | 80.5 | 81.7 | 83.7 | 85.2 | 87.7 | 86.5 | 85.3 | 84.6 |
| Mean monthly sunshine hours | 14.8 | 44.4 | 92.6 | 146.8 | 194.4 | 178.1 | 154.4 | 139.2 | 101.5 | 61.3 | 21.2 | 4.5 | 1,153.2 |
| Percent possible sunshine | 10 | 20 | 26 | 33 | 34 | 29 | 26 | 28 | 27 | 22 | 13 | 4 | 26 |
| Source: IMO[6] | |||||||||||||
See also
References
- Department of Mineral Sciences · National Museum of Natural History Smithsonian Institution. "Langjökull". Global Volcanism Program. Retrieved 2020-04-28.
- "Informacje o systemie wulkanicznym Langjökull". Catalogue of Icelandic Volcanoes. Retrieved 2020-04-28.
- Árni Hjartarson, Ingibjörg Kaldal, Kristján Sæmundsson, Magnús Á Sigurgeirsson and Skúli Víkingsson(2019). "Geological Map of Central Iceland, 1:100000, Iceland GeoSurvey, Reykjavík".
{{cite web}}: Missing or empty|url=(help)CS1 maint: multiple names: authors list (link) - Regína Hrönn Ragnarsdóttir. "Hveravellir - the beautiful Oasis in the Highlands of Iceland". Guide to Iceland. Retrieved 2020-04-28.
- "Hveravellir á Kili". The Environment Agency of Iceland (in Icelandic). Retrieved 2020-04-28.
- "Monthly averages for station 892 - Hveravellir". Icelandic Meteorological Office. Retrieved August 7, 2021.
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- [en] Hveravellir
[fr] Hveravellir
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