Pretty interesting stuff here about the Arctic
Jstas
Posts: 14,842
http://www.livescience.com/environment/080627-sea-volcanoes.html
Apparently, over the last decade, several fairly young volcanoes have had massive explosions under the Arctic Ice Sheet. While it looks like a smoking gun for the loss of Arctic ice, scientists say it's not really. But the thing is, they do say it has affected the water column by releasing large amounts of CO2 and trace metals and such into the water over many miles. But the number of minerals and such in the water can change the water's properties. It may have well contributed to melting ice.
Either way, I'm no scientist and this clearly requires more study. But I would imagine that a volcano has a massive amount of energy stored in it and when it explodes, it releases all of that energy in many forms. The heat and pressure is enough to melt rock and all that heat entering even sub zero degree water under pressure has the energy needed to raise water temperatures more than a couple degrees. Add to that the number of gases and other minerals in suspension in the water changes the water's abilities release and store heat for good or bad results.
I think there is more to all of it. I'd be interested to see what further studies might show.
Apparently, over the last decade, several fairly young volcanoes have had massive explosions under the Arctic Ice Sheet. While it looks like a smoking gun for the loss of Arctic ice, scientists say it's not really. But the thing is, they do say it has affected the water column by releasing large amounts of CO2 and trace metals and such into the water over many miles. But the number of minerals and such in the water can change the water's properties. It may have well contributed to melting ice.
Either way, I'm no scientist and this clearly requires more study. But I would imagine that a volcano has a massive amount of energy stored in it and when it explodes, it releases all of that energy in many forms. The heat and pressure is enough to melt rock and all that heat entering even sub zero degree water under pressure has the energy needed to raise water temperatures more than a couple degrees. Add to that the number of gases and other minerals in suspension in the water changes the water's abilities release and store heat for good or bad results.
I think there is more to all of it. I'd be interested to see what further studies might show.
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Post edited by Jstas on
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[QUOTE{ The heat and pressure is enough to melt rock [/QUOTE]
My own research into volcanic, gaseous explosions has also yielded interesting results. While I may not be able to generate the heat and pressure required to destroy or melt a concrete park bench, I can definitely destroy or reduce to a pool of molten plastic, light to medium weight lawn furniture.
