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READING THE OCEAN: Around 3,500 robotic buoys have been deployed throughout the world's oceans, delivering unprecedented data on temperature, salinity and other measures.

Warmer air allows for more water vapor. So scientists have long predicted that global warming will result in a more intense water cycle—the process by which water evaporates from the oceans, travels through the atmosphere and then falls as rain. Now new measurements of the ocean's salinity prove that prediction—and suggest that global warming strengthens the water cycle even more than anticipated.

"What we found is that regions that are salty in the main are becoming saltier" and areas that boast more rainfall are getting fresher, explains oceanographer Paul Durack of Lawrence Livermore National Laboratory, who led the research to be published in Science on April 27. "It's another independent estimate of how the climate is changing as we pump out CO2."

To read the full, original article click on this link: Where It Rains, It Will Pour--Otherwise, Tough Luck: Scientific American