Global warming may take ocean sounds back to dinosaur era
New research suggests that sounds, such as whale noises in the low-frequency sound range, by the year 2100 will be able to travel twice as far as they do now because of global warming. (Captain David Anderson's Dolphin and Whale Safari/Associated Press) Digsby IM, Email, and Social Networks in one easy to use application! http://digsby.com As oceans become more acidic, researchers predict they will carry sound as they did during the Age of the Dinosaurs. Some 110 million years ago, sound is believed to have traveled up to twice as fast through the seas as it does now. Global warming may be changing ocean sounds, taking them back to the acoustics of more than 100 million years ago when dinosaurs roamed the earth, new research suggests. Rising temperatures increase the acidity of the oceans and allow sounds near the surface to travel further than they currently do, says Rhode Island acoustician David G. Browning. He predicts that sounds, such...