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Sea Level Rise Mostly Caused By Melting Glaciers In Past Century, Experts Find

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This 2009 photo released by Extreme Ice Survey shows Birthday Canyon in Greenland furing the filming of
This 2009 photo released by Extreme Ice Survey shows Birthday Canyon in Greenland furing the filming of "Chasing Ice." (AP Photo/Extreme Ice Survey, James Balog)

VIENNA (AP) — Austrian experts say melting glaciers have been the single greatest cause of rising sea level over the past century.

Scientists at the respected University of Innsbruck say that between 1902 and 2007, glaciers contributed 11 centimeters (4.33 inches) to a total sea level rise of about 20 centimeters (nearly 8 inches).

They also said Wednesday that by 2100, melting glaciers could raise sea levels by another 22 centimeters.

Sea water that expands as it warms, melting ice sheets and changing water storage in dammed lakes and underwater reservoirs are also said to have contributed to rising sea levels.

The scientists say glacier melts were tracked by numerically modeling each of the world's roughly 300,000 glaciers and then performing thousands of on-site measurements to validate the model results.

They also said Wednesday that by 2100, melting glaciers could raise sea levels by another 22 centimeters.

Sea water that expands as it warms, melting ice sheets and changing water storage in dammed lakes and underwater reservoirs are also said to have contributed to rising sea levels.

The scientists say glacier melts were tracked by numerically modeling each of the world's roughly 300,000 glaciers and then performing thousands of on-site measurements to validate the model results.

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