an underground spring that produces and sends out hot water and steam. der Geiser. There are geysers in Iceland and New Zealand. ○. Übersetzung Englisch-Deutsch für geyser im PONS Online-Wörterbuch nachschlagen! Gratis Vokabeltrainer, Verbtabellen, Aussprachefunktion. Das erste naturwissenschaftliche Modell für die Funktion eines Geysirs erklärte der deutsche Chemiker Robert Wilhelm Bunsen auf Grund eines leicht.
Übersetzung für "geyser," im DeutschDas erste naturwissenschaftliche Modell für die Funktion eines Geysirs erklärte der deutsche Chemiker Robert Wilhelm Bunsen auf Grund eines leicht. Übersetzung Englisch-Deutsch für geyser im PONS Online-Wörterbuch nachschlagen! Gratis Vokabeltrainer, Verbtabellen, Aussprachefunktion. an underground spring that produces and sends out hot water and steam. der Geiser. There are geysers in Iceland and New Zealand. ○.
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Generally all geyser field sites are located near active volcanic areas, and the geyser effect is due to the proximity of magma.
The resultant boiling of the pressurized water results in the geyser effect of hot water and steam spraying out of the geyser's surface vent a hydrothermal explosion.
A geyser's eruptive activity may change or cease due to ongoing mineral deposition within the geyser plumbing, exchange of functions with nearby hot springs , earthquake influences, and human intervention.
Jet-like eruptions, often referred to as cryogeysers , have been observed on several of the moons of the outer solar system.
Due to the low ambient pressures, these eruptions consist of vapor without liquid; they are made more easily visible by particles of dust and ice carried aloft by the gas.
Water vapor jets have been observed near the south pole of Saturn 's moon Enceladus , while nitrogen eruptions have been observed on Neptune 's moon Triton.
There are also signs of carbon dioxide eruptions from the southern polar ice cap of Mars. In the latter two cases, instead of being driven by geothermal energy, the eruptions seem to rely on solar heating via a solid-state greenhouse effect.
The term 'geyser' in English dates back to the late 18th century and comes from Geysir , which is a geyser in Iceland. Geysers are nonpermanent geological features.
Geysers are generally associated with volcanic areas. The formation of geysers specifically requires the combination of three geologic conditions that are usually found in volcanic terrain.
The heat needed for geyser formation comes from magma that needs to be close to the surface of the earth. This includes a reservoir to hold the water while it is being heated.
Geysers are generally aligned along faults. Geyser activity, like all hot spring activity, is caused by surface water gradually seeping down through the ground until it meets rock heated by magma.
In non-eruptive hot springs, the geothermally heated water then rises back toward the surface by convection through porous and fractured rocks, while in geysers, the water instead is explosively forced upwards by the high pressure created when water boils below.
Geysers also differ from non-eruptive hot springs in their subterranean structure; many consist of a small vent at the surface connected to one or more narrow tubes that lead to underground reservoirs of water and pressure tight rock.
As the geyser fills, the water at the top of the column cools off, but because of the narrowness of the channel, convective cooling of the water in the reservoir is impossible.
The cooler water above presses down on the hotter water beneath, not unlike the lid of a pressure cooker , allowing the water in the reservoir to become superheated , i.
Ultimately, the temperatures near the bottom of the geyser rise to a point where boiling begins which forces steam bubbles to rise to the top of the column.
As they burst through the geyser's vent, some water overflows or splashes out, reducing the weight of the column and thus the pressure on the water below.
With this release of pressure, the superheated water flashes into steam , boiling violently throughout the column.
The resulting froth of expanding steam and hot water then sprays out of the geyser vent. A key requirement that enables a geyser to erupt is a material called geyserite found in rocks nearby the geyser.
Geyserite—mostly silicon dioxide SiO 2 , is dissolved from the rocks and gets deposited on the walls of the geyser's plumbing system and on the surface.
The deposits make the channels carrying the water up to the surface pressure-tight. This allows the pressure to be carried all the way to the top and not be leaked out into the loose gravel or soil that are normally under the geyser fields.
Eventually the water remaining in the geyser cools back to below the boiling point and the eruption ends; heated groundwater begins seeping back into the reservoir, and the whole cycle begins again.
There are two types of geysers: fountain geysers which erupt from pools of water, typically in a series of intense, even violent, bursts; and cone geysers which erupt from cones or mounds of siliceous sinter including geyserite , usually in steady jets that last anywhere from a few seconds to several minutes.
Old Faithful , perhaps the best-known geyser at Yellowstone National Park, is an example of a cone geyser. Grand Geyser , the tallest predictable geyser on earth, although Geysir in Iceland is taller, it is not predictable , also at Yellowstone National Park, is an example of a fountain geyser.
There are many volcanic areas in the world that have hot springs , mud pots and fumaroles , but very few have erupting geysers. The main reason for their rarity is because multiple intense transient forces must occur simultaneously for a geyser to exist.
For example, even when other necessary conditions exist, if the rock structure is loose, eruptions will erode the channels and rapidly destroy any nascent geysers.
As a result, most geysers form in places where there is volcanic rhyolite rock which dissolves in hot water and forms mineral deposits called siliceous sinter, or geyserite, along the inside of the plumbing systems which are very slender.
Over time, these deposits strengthen the channel walls by cementing the rock together tightly, thus enabling the geyser to persist. Geysers are fragile phenomena and if conditions change, they may go dormant or extinct.
Many have been destroyed simply by people throwing debris into them while others have ceased to erupt due to dewatering by geothermal power plants.
However, the Geysir in Iceland has had periods of activity and dormancy. During its long dormant periods, eruptions were sometimes artificially induced—often on special occasions—by the addition of surfactant soaps to the water.
The specific colours of geysers derive from the fact that despite the apparently harsh conditions, life is often found in them and also in other hot habitats in the form of thermophilic prokaryotes.
However, the observations proved that it is actually possible for life to exist at high temperatures and that some bacteria even prefer temperatures higher than the boiling point of water.
Dozens of such bacteria are known. As they have heat-stable enzymes that retain their activity even at high temperatures, they have been used as a source of thermostable tools , that are important in medicine and biotechnology ,  for example in manufacturing antibiotics , plastics , detergents by the use of heat-stable enzymes lipases , pullulanases and proteases , and fermentation products for example ethanol is produced.
Among these, the first discovered and the most important for biotechnology is Thermus aquaticus. Geysers are quite rare, requiring a combination of water , heat , and fortuitous plumbing.
The combination exists in few places on Earth. Yellowstone is the largest geyser locale, containing thousands of hot springs, and approximately to geysers.
It is home to half of the world's total number of geysers in its nine geyser basins. The area was discovered and explored by Tatyana Ustinova in Approximately geysers exist in the area along with many hot-water springs and perpetual spouters.
The area was formed due to a vigorous volcanic activity. The peculiar way of eruptions is an important feature of these geysers. Most of the geysers erupt at angles, and only very few have the geyser cones that exist at many other of the world's geyser fields.
Velikan Geyser , one of the field's largest, was not buried in the slide and has recently [ quantify ] been observed to be active.
The name "El Tatio" comes from the Quechua word for oven. The valley is home to approximately 80 geysers at present.
It became the largest geyser field in the Southern Hemisphere after the destruction of many of the New Zealand geysers see below , and is the third largest geyser field in the world.
In the beginning of the 20th century, the largest geyser ever known, the Waimangu Geyser existed in this zone.
It began erupting in and erupted periodically for four years until a landslide changed the local water table. Due to the high rate of volcanic activity in Iceland, it is home to some famous geysers in the world.
There are around 20—29 active geysers in the country as well as numerous formerly active geysers. Most of the Icelandic geysers are comparatively short-lived, it is also characteristic that many geysers here are reactivated or newly created after earthquakes, becoming dormant or extinct after some years or some decades.
Two most prominent geysers of Iceland are located in Haukadalur. The Great Geysir , which first erupted in the 14th century, gave rise to the word geyser.
By , Geysir was almost dormant before an earthquake that year caused eruptions to begin again, occurring several times a day, but in , eruptions all but ceased.
Throughout much of the 20th century, eruptions did happen from time to time, usually following earthquakes. Some man-made improvements were made to the spring and eruptions were forced with soap on special occasions.
Earthquakes in June subsequently reawakened the giant for a time but it is not currently erupting regularly.
Geysers are known to have existed in at least a dozen other areas on the island. Some former geysers have developed historical farms, which benefitted from the use of the hot water since medieval times.
There used to be two large geysers fields in Nevada — Beowawe and Steamboat Springs —but they were destroyed by the installation of nearby geothermal power plants.
At the plants, geothermal drilling reduced the available heat and lowered the local water table to the point that geyser activity could no longer be sustained.
During that time, Geysir seldom erupted. On the Icelandic National Day , authorized government geologists would force an eruption.
Initially, eruptions were taking place on average eight times a day. By July , this activity had again decreased to around three times per day.
Strokkur's activity has also been affected by earthquakes, although to a lesser extent than the Great Geysir. Due to its eruption frequency, online photos and videos of Strokkur are regularly mislabelled as depicting Geysir.
There are around thirty much smaller geysers and hot pools in the area, including one called Litli Geysir 'Little Geysir'. Descriptions of the Great Geysir and Strokkur have been given in many travel guides to Iceland published from the 18th century onwards.
Until , the Geysir area was owned by a local farmer. Initially, he erected large fences around the site and an entrance fee was charged for visitors wishing to view the geysers.
The following year, however, Craig appeared to tire of his project and gave the area as a present to a friend, E. Craig, who dropped the entrance fees.
Later Craig's nephew Hugh Rogers inherited the site. From Wikipedia, the free encyclopedia. For the ship of the same name, see MV Geysir.
For other uses, see Geyser disambiguation. This section does not cite any sources. Please help improve this section by adding citations to reliable sources.
Unsourced material may be challenged and removed. August Learn how and when to remove this template message. A sequence of images taken during an eruption of Great Geysir in Hidden categories: Coordinates on Wikidata Articles with hAudio microformats All articles with unsourced statements Articles with unsourced statements from March Articles with unsourced statements from July Articles needing additional references from August All articles needing additional references Commons category link is on Wikidata.
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