Cold-water Geyser

picture info	Cold-water Geyser Cold-water geysers have eruptions similar to those of hot-water geysers, except that -bubbles drive the eruption instead of steam from the proximity to magma. In cold-water geysers, -laden water lies in a confined aquifer, in which water and are trapped by less permeable overlying strata. This water and can escape this strata only in weak regions like faults, joints, or drilled wells. A drilled borehole provides an escape for the pressurized water and to reach the surface. The magnitude and frequency of such eruptions depend on various factors such as plumbing depth, concentrations, aquifer yield, etc. The column of water exerts enough pressure on the gaseous so that it remains in the water in small bubbles. When the pressure decreases due to formation of a fissure, the bubbles expand. This expansion displaces the water and causes the eruption. Cold-water geysers may look quite similar to their steam-driven counterparts; however, often -laden water is more white and frothy. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Geysir Andernach 2009 Geysir (), sometimes known as The Great Geysir, is a geyser in southwestern Iceland. It was the first geyser described in a printed source and the first known to modern Europeans. The English word ''geyser'' (a periodically spouting hot spring) derives from Geysir. The name ''Geysir'' itself is derived from the Icelandic verb '' geysa'' ("to gush"). Geysir lies in the Haukadalur valley on the slopes of Laugarfjall hill, which is also the home to Strokkur geyser about south. Eruptions at Geysir can hurl boiling water up to in the air. However, eruptions may be infrequent, and have in the past stopped altogether for many years at a time. History The research of sinter shows that Geysir has been active for approximately 10,000 years. The oldest accounts of hot springs at Haukadalur date back to 1294, when earthquakes in the area caused significant changes in local neighbouring landscape creating several new hot springs. Changes in the activity of Geysir and the surrounding ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Cold Water Geysers Cold is the presence of low temperature, especially in the atmosphere. In common usage, cold is often a subjective perception. A lower bound to temperature is absolute zero, defined as 0.00K on the Kelvin scale, an absolute thermodynamic temperature scale. This corresponds to on the Celsius scale, on the Fahrenheit scale, and on the Rankine scale. Since temperature relates to the thermal energy held by an object or a sample of matter, which is the kinetic energy of the random motion of the particle constituents of matter, an object will have less thermal energy when it is colder and more when it is hotter. If it were possible to cool a system to absolute zero, all motion of the particles in a sample of matter would cease and they would be at complete rest in the classical sense. The object could be described as having zero thermal energy. Microscopically in the description of quantum mechanics, however, matter still has zero-point energy even at absolute zero, because ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]