amgumen

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9
POPS
More facts on mud volcanoes
amgumen
by amgumen  10-23-2009   
 In 2001, an eruption of a large underwater mud volcano off Baku created a new island, which is now almost one sq. km in size. Another volcano not far from Baku have erupted at least ten times since 1980, with flames reaching 300 m (1000') height.
6
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Methane Gas Eruption From Mud Volcanoes
amgumen
by amgumen  10-23-2009   
 No Remarks
6
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Methane Seeps from Arctic Sea-Bed
brightlight4
by brightlight4  8-19-2009   
 No Remarks
7
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Idiots Trying To Play Scientist
merrie
by merrie  8-18-2009    1
 As temperatures rise, the sea bed grows warmer and frozen water crystals in the sediment break down, allowing methane trapped inside them to escape. OK everyone, let’s remember where we are " the ARCTIC, because this is important. It’s really cold in the Arctic, especially in the deep waters. The gas is normally trapped as “methane hydrate” in sediment under the ocean floor. “Methane hydrate” is an ice-like substance composed of water and methane which is stable under conditions of high pressure and low temperature. As temperatures rise, the hydrate breaks down. So this new evidence shows that methane is stable at water depths greater than 400m off Spitsbergen. Trust me when I note that pressure and temperature are not the only factors " by far " which dictate when the methane can be released. The make up of the sea floor is also important. If it is not stable or strong then the methane can be released in one area and not another under the same temps and pressures.
1
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Permafrost carbon content double the old estimates
amgumen
by amgumen  9-12-2008   
 No Remarks
8
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Boiling Hot Water Found in Frigid Arctic Sea
amgumen
by amgumen  7-28-2008    1
 Scalding liquid rises out of the seafloor at temperatures that are more than twice the boiling point of water.
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Toxic gas caused the Great Dying?
amgumen
by amgumen  1-26-2008   
 Once the gas made it to the ocean surface, it could have escaped into the atmosphere, triggering terrestrial extinction, Kump says. “Poisonous clouds of hydrogen sulfide wafting around the continents would have killed animals and vegetation,” he says. The gas also could have damaged the planet’s ozone layer letting destructive radiation reach Earth’s surface.
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Subglatial volcanoes of Iceland
amgumen
by amgumen  1-23-2008    1
 No Remarks
4
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Underground coal fires: pictures
amgumen
by amgumen  1-19-2008   
 No Remarks
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Surprisingly hot phenomenon
amgumen
by amgumen  1-11-2008   
 No Remarks
45
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Hawaiian Volcanoes: Beauty & Terror
amgumen
by amgumen  12-23-2007    6
 No Remarks
6
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Alaska Lake Boils With Escaping Methane
amgumen
by amgumen  9-14-2007   
 No Remarks
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The atmosphere before and after the Mt. Pinatubo eruption
amgumen
by amgumen  5-28-2007   
 No Remarks
9
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Azeri mud volcano flares
amgumen
by amgumen  5-25-2007   
 No Remarks
8
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Giant Volcanic Plume Bursts From Jupiter Moon
amgumen
by amgumen  5-22-2007   
 No Remarks
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Submarine volcanoes and more in the Mariana Arc
amgumen
by amgumen  5-20-2007   
 No Remarks
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Amazing geologic features on the deep seafloor
amgumen
by amgumen  5-20-2007    1
 No Remarks
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Gassy blast from prehistoric volcanoes heated Earth
amgumen
by amgumen  4-27-2007    5
 No Remarks
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Atmospheric Levels of Methane now have leveled off
amgumen
by amgumen  4-21-2007    4
 Methane, a potent greenhouse gas, have been constant for five years after two centuries of steady increases. Scientists do not know why the pattern of increase has stopped.
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Volcanic co2 Emission Vs Human
Kingsmob77
by Kingsmob77  3-6-2007    1
 This is from the Department of the interior, USGS. their findings show that humans generate a significantly higher amount of greenhouse gases than volcanoes.
— end of the list —

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