(AP) — Mauri Pelto digs his crampons into the steep icy slope on Mount Baker in Washington state and watches as streams of water cascade off the thick mass of bare, bluish ice. "At the rate it's losing mass, it won't make it 50 years," said Pelto, a glaciologist who returned this month for the 32nd year to study glaciers in the North Cascades range. In Montana, scientists are already seeing the impacts in increased stream temperature and changes to high-elevation ecosystems. The glaciers on Mount Baker, a volcanic peak about 125 miles northeast of Seattle, provide a critical water source for agriculture, cities and tribes during the late summer. Grah strings a measuring tape across the stream, wades in shin-deep in the fast-moving, brownish water and measures the depth of the water streaming from the toe of the glacier. "The late summer flows controlled by melting glaciers are predicted to decrease as the glaciers get smaller and smaller," said Robert Mitchell, a geology professor at Western Washington University.
Scientists, Tribe Study Shrinking Washington State Glacier
By PHUONG LE, Associated Press, San Francisco Chronicle
Sat, 08/29/2015 - 4:35pm
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