Word: geophysicists
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...plates are shearing the island, grinding it and crushing it," says geophysicist Michael Blanpied of the U.S. Geological Survey (USGS). "As that happens, earthquakes...
...Once a runaway instability starts, it cannot be stopped until a new stable position is found [for the ice sheet]," writes geophysicist Erik R. Ivins in an editorial accompanying the Science paper. (See pictures of this fragile earth...
...high-water marks that grow less high every year, circle the edges of the reservoir. Today Mead's water level is 1,108 ft., down from more than 1,200 ft. in 2000. (The official drought level is 1,125 ft.) If the water continues to decline, says marine geophysicist Tim Barnett of the Scripps Institution of Oceanography, "buckle up." Barnett co-authored a study estimating a 50% chance that a combination of climate change and increased demand could render Mead effectively dry by 2021. Mulroy doubts Barnett's dire conclusion, but she knows Las Vegas--and the world beyond...
...past century, we treated water as if it were inexhaustible. But that illusion has dried up. The only way to thrive in a warmer, thirstier world will be to learn to get more out of less. "We have the time to change," says Scripps' marine geophysicist Barnett. "Do we have the will to change? I don't know...
...theorizes that the immense amount of pressure building along the fault causes small cracks within the rock during the final hours before an earthquake, increasing rock density and slowing the transmission signals. "The more cracks you have, the slower the seismic velocity," says study co-author Paul Silver, a geophysicist with the Carnegie Institution of Washington. Still unknown is whether there is any significance to the fact that the magnitude-3 quake had a much longer pre-seismic signal than the lower-magnitude quake, or whether it was simply because its magnitude was larger and its epicenter closer...