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Deildartunguhver

Coordinates: 64°40′32″N 21°30′45″W / 64.6754473°N 21.5126228°W / 64.6754473; -21.5126228
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Deildartunguhver
Map
LocationReykholtsdalur, Iceland
Coordinates64°40′32″N 21°30′45″W / 64.6754473°N 21.5126228°W / 64.6754473; -21.5126228
Spring sourcesuperheated groundwater
Typegeothermal
Temperature97 °C

Deildartunguhver (Icelandic pronunciation: [ˈteiltarˌtʰuŋkʏˌkʰvɛːr̥]) is a hot spring in Reykholtsdalur, Iceland. It is characterized by a very high flow rate for a hot spring (180 liters/second) and water emerges at 97 °C (207 °F). It is the highest-flow hot spring in Europe.[a]

Some of the water is used for heating; it is piped 34 kilometres (21 mi) away to Borgarnes and 64 kilometres (40 mi) away to Akranes.

Struthiopteris fallax (Lange) S. Molino, Gabriel y Galán & Wasowicz

A fern called Struthiopteris fallax,[1][2] grows in Deildartunguhver. This fern is the only endemic fern in Iceland, and it does not grow anywhere else in the world.

Note

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  1. ^ By comparison:
    * Combined, the 47 hot springs in Hot Springs, Arkansas, U.S., have a flow of 35 liters/second (9 gal/second) and the water is 35 to 68 °C (95 to 154 °F).
    * The Hay-Yo-Kay Hot Springs in Truth or Consequences, New Mexico, U.S., have a flow of 99 liters/second (26 gal/second).
    * Lava Hot Springs in Idaho, U.S., have a flow of 130 liters/second (34 gal/second). Glenwood Springs in Colorado, U.S., have a flow of 143 liters/second (38 gal/second).
    * The Dalhousie Springs complex in Australia has a peak output of about 250 liters/second (66 gal/second) now.
    * There are many very-high-flow non-thermal springs; there are 33 recognized "magnitude-one springs" (having a flow in excess of 2,800 liters/second in Florida alone. Silver Springs, Florida, U.S., has a flow of more than 23,000 liters/second (6,100.

References

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  1. ^ Molino, Sonia; Gabriel y Galán, Jose M.; Wasowicz, Pawel; de la Fuente, Pablo; Sessa, Emily B. (2019-02-16). "The Struthiopteris spicant (Blechnaceae, Polypodiopsida) complex in Western Europe, with proposals for taxonomic and nomenclatural changes". Plant Systematics and Evolution. 305 (4): 255–268. doi:10.1007/s00606-019-1565-0. ISSN 2199-6881.
  2. ^ Perez, Ruben Pino; Galan, Jose Maria Gabriel Y.; Wasowicz, Pawel (2017-03-31). "New combinations in Struthiopteris spicant for the European flora". Phytotaxa. 302 (2): 198–200. doi:10.11646/phytotaxa.302.2.11. ISSN 1179-3163.
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