LAKE TAHOE, Calif. (AP) – Lake Tahoe is among hundreds of lakes worldwide that researchers say are warming due to climate change.

The study funded by NASA and the National Science Foundation was presented this week at the American Geophysical Union meeting in San Francisco.

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The study used 25 years of satellite and on-scene measurements of 235 lakes representing more than half of the world’s freshwater supply.

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It found that lakes are warming an average of 0.61 degree each decade, raising concerns about freshwater supplies and ecosystems. Researchers say that wide temperature swings can cause a lake’s life forms to change dramatically or disappear.

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Lake Tahoe on the California-Nevada border had a temperature increase above the average – 0.97 degree when measured by hand and 1.28 degrees measured by satellite.