Science

Tuesday, January 15, 2008

100 years of research in Yellowstone National Park
by Ivana Bruderova


This weekend Montana State University's Thermal Biology Institute organized it's conference at Mammoth Hot Springs, Yellowstone National Park. More than 100 scientists came and several greatest experts presented their work in this park. Lisa Morgan from the U.S. Geological Survey presented their study about hydrothermal explosions. The Yellowstone National Park is a place of many thermal springs and hot geysers. The largest known hydrothermal eruption happened 13,000 years ago and was caused by two Tsunami-like waves created by an earthquake. This explosion created Mary Bay, more than one mile wide crater at the north edge of Yellowstone lake. Most of geothermal springs are situated at north area of park. The well known Turbid Lake and Indian Pond are also results of hydrothermal explosion. Explosions could happen anytime and to be in this locality would be extremely dangerous. Fortunately, nowadays scientists are able to know about it sooner than it happens. In the last 14,000 years there were 20 bigger explosions that left craters larger then football fields, said Morgan. Actually there still have been hydrothermal explosions, but they are too small, they can endanger tourists and visitors of the park. The scientists want to continue in research and understand why there is a one mega explosion about every 700 years. But these are not so innocent. The debris from explosion which created Mary Bay were in the area about 18 square miles around. The last larger explosion was in the 1989. On the conference was discussed problem how to make the unique wildlife of Yellowstone Park closer to visitors and public. During the 100 years of research many amazing discoveries have been made. The website of park will be now actualized regularly to enable people to visit places which they couldn't visit before and to know about all research news from park.
by Ivana Bruderova
for PocketNews (http://pocketnews.tv)

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