Warming seas rising faster than predicted, NASA scientists say

By Jill Replogle

Global sea levels are rising faster than predicted as a result of warming temperatures driven by burning fossil fuels, according to researchers who now say an increase of at least three feet (1 meter) is likely “unavoidable.”

The world’s oceans, expanding due to added heat and melting ice, have risen an average of almost 3 inches since 1992, with some areas seeing an increase of as much as 9 inches, NASA scientists said at a briefing Wednesday that cited new satellite data. Heat already stored in the sea means further sea level rise is almost certain, although how quickly remains unclear, according to a statement from the U.S. National Aeronautics and Space Administration.

“People need to be prepared,” Josh Willis, an oceanographer at the agency’s Jet Propulsion Laboratory in Pasadena, California, said on a conference call. “We’re going to continue to have sea level rise for decades and probably centuries.”

The new numbers up the stakes for coastal communities from Miami to Tokyo to Dhaka, the low-lying Bangladeshi capital where more than 14 million people live. NASA’s projections are on the high end of the 1 to 3-foot increase estimated two years ago by the Intergovernmental Panel on Climate … continue reading

Via:: Tico Times