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[QUOTE]Originally posted by turbokid: [QB] i found a pretty interesting website that tells of a very large amount of volcanic activity in the oceans leading to warming oceans and increased precipitation.. like the record snowfalls in the west this year and the east last year. heres some quotes from it.. " June 8, 2004 – For the first time ever, scientists using a camera-equipped submarine have been able to witness an undersea volcano during an eruptive episode. Exploring the ocean floor in an area known as the Mariana Trench, the researchers “found bubbles of liquid carbon dioxide being released into the sea, enlarging up to a thousand times and turning to gas as they drifted upward.” ----- "March 14, 2005 - Hundreds of underwater volcanoes are erupting all over the world, especially around the Ring of Fire, reports the India Daily. Underwater volcanoes are erupting in Australia, Greece, New Zealand and many other countries including the American Northwest, which is experiencing an [b]unprecedented level of underwater volcanism.[/b] Andaman Nicobar Island is experiencing underwater volcanism in both the Indian Ocean and the Bay of Bengal . Tectonic movements have gone up by several folds in the last nine months, say geologists, so much so that they don’t have enough monitoring mechanisms to keep track" ------ 20 April 2005 - New evidence confirms that sea levels have risen and fallen much more quickly and frequently than previously believed. A new method of dating dead corals reveals a long record of repeated rises and drops in sea level of 6 to 30 meters over just thousands of years. That's too fast to be explained by regular shifts in the Earth's orbit that are usually considered responsible for the ice ages, as well as the loss or gain of water from the oceans" ----- 12 Dec 05 - An enormous hydrothermal "megaplume" found in the Indian Ocean serves as a dramatic reminder that underwater volcanoes likely play an important role in shaping Earth's ocean systems, scientists report. The plume, which stretches some 43.5 miles (70 kilometers) long, appears to be active on a previously unseen scale. "This thing is at least 10 times—or possibly 20 times—bigger than anything of its kind that's been seen before," said Bramley Murton of the British National Oceanography Centre. Scientists reported the finding last week at the fall meeting of the American Geophysical Union (AGU) in San Francisco . Researchers also announced newly discovered deep-sea hydrothermal fields in the Arctic Ocean and the south Atlantic . The appearance of hydrothermal vents around the world suggests that they are a far more common part of the ocean system than once believed and could be a major influence on circulation patterns and ocean chemistry. (read: gulf stream) "I'd be surprised if in the next five years we didn't experience a mini-revolution in terms of finding these [fields] in places where they are not supposed to exist," said geophysicist Robert Reves-Sohn of the Woods Hole Oceanographic Institution. Hydrothermal vents are volcanic hotspots that emit gasses(c02 and mineral-enriched water as hot as 760°F (400°C). Megaplumes like the one found in the Indian Ocean are probably caused by undersea volcanic eruptions, though scientists aren't yet certain. "Once formed they can possibly hang around for years," Murton said. [b]The heat from such events could have a dramatic effect on ocean circulation, which plays a role in determining Earth's climate.[/b] "The energy content is an order of magnitude greater [than ordinary plumes], and the thermal power may be many orders of magnitude greater," Murton said. "A normal hydrothermal vent might produce something like 500 megawatts, while this is producing 100,000 megawatts. It's like an atom bomb down there.” -------- Hydrothermal vents pumping 500-degree water into Arctic Ocean – Aug 20, 2005 - Researchers have discovered the northernmost hydrothermal vents in the world along the Mohns Ridge in the Arctic Ocean . "I've seen a lot of hydrothermal systems all over the world's oceans," said Adam Schultz, a geophysicist from Oregon State University ’s College of Oceanic and Atmospheric Sciences," and these Arctic fields are spectacular." "We found two large high-temperature fields and as we explored them, we would come upon a large mound of chimneys with superheated water jetting out of them," Schultz said. "Then in the distance, we'd see another mound and then beyond that, another one, and so on." Temperatures in one field reached as high as 260 degrees C (500F). Temperatures may have approached 300C (572F) in the second field. " The chimneys were so dense that it was difficult in some areas to get the ROV (remotely operated vehicle) in there," Pedersen said. "In fact, we got the ROV cable stuck on one of them. It almost melted." In fact, the thermometer did melt. The vents had been superheated sufficiently to have boiled - even at the enormous pressures of the deep seafloor. "This is typical of seawater that has encountered hot magma at depth beneath the seafloor, then vents out through smoker chimneys," Schultz pointed out. The vent fields were discovered at depths of 500 to 700 meters. this is a relativily interesting theory, and seems to coincide with some other aspects of ice ages previously discussed like ocean tempuratures and ocean levels rising at the same points in time as c02 and air temps increase. by looking at this graph.. [IMG]http://upload.wikimedia.org/wikipedia/en/c/c0/Sea_level_temp_140ky.gif[/IMG] and comparing it to this one.. [IMG]http://upload.wikimedia.org/wikipedia/commons/c/c2/Vostok-ice-core-petit.png[/IMG] seems reasonable.. and would certainly explain the previous fluctuations in temps in both the air and seas before the industrial revolution.. heres the site.. http://www.iceagenow.com/Ocean_Warming.htm [/QB][/QUOTE]
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