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Global sea level likely to rise as much as 70 feet for future generations
Even if humankind manages to limit global warming to 2 degrees C (3.6 degrees F), as the Intergovernmental Panel on Climate Change recommends, future generations will have to deal with sea levels 12 to 22 meters (40 to 70 feet) higher than at present, according to research published in the journal Geology.

The researchers, led by Kenneth G. Miller, professor of earth and planetary sciences in the School of Arts and Sciences at Rutgers University, reached their conclusion by studying rock and soil cores in Virginia, Eniwetok Atoll in the Pacific and New Zealand. They looked at the late Pliocene epoch, 2.7 million to 3.2 million years ago, the last time the carbon dioxide level in the atmosphere was at its current level, and atmospheric temperatures were 2 degrees C higher than they are now.

"The difference in water volume released is the equivalent of melting the entire Greenland and West Antarctic Ice Sheets, as well as some of the marine margin of the East Antarctic Ice Sheet," said H. Richard Lane, program director of the National Science Foundation's Division of Earth Sciences, which funded the work. "Such a rise of the modern oceans would swamp the world's coasts and affect as much as 70 percent of the world's population."

by Nomad on Mon Mar 19th, 2012 at 06:48:38 PM EST
[ Parent ]
Is the collapse of the West Antarctic ice sheet imminent ? I know it's shrinking but the Greenland ice sheet collapse is much more likely and yet I'm sure I saw that recent studies have suggested that probably won't happen this century.

keep to the Fen Causeway
by Helen (lareinagal at yahoo dot co dot uk) on Tue Mar 20th, 2012 at 04:03:36 AM EST
[ Parent ]
"You don't need to sell your beach real estate yet, because melting of these large ice sheets will take from centuries to a few thousand years," Miller said. "The current trajectory for the 21st century global rise of sea level is 2 to 3 feet (0.8 to1 meter) due to warming of the oceans, partial melting of mountain glaciers, and partial melting of Greenland and Antarctica."


There are three stories about the euro crisis: the Republican story, the German story, and the truth. -- Paul Krugman
by Migeru (migeru at eurotrib dot com) on Tue Mar 20th, 2012 at 04:44:18 AM EST
[ Parent ]

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