Glaciers Shrink in American West

300 glaciers vanished from American West since mid-20th century, survivors shrinking faster.

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Glaciers Shrink in American West

300 glaciers vanished from American West since mid-20th century, survivors shrinking faster.

In brief

300 glaciers vanished from American West since mid-20th century, survivors shrinking faster. 300 glaciers disappeared from American West since mid-20th century, survivors shrinking faster due to warming. Originally reported by The Conversation.

Glaciers in American West

Glaciers in American West

Scientists measured Sperry Glacier in Montana's Glacier National Park.

Glacier Count Decline

Glacier Count Decline

Over 1,450 glaciers existed in the contiguous U.S. in the mid-20th century.

Glacier Area Shrinkage

Glacier Area Shrinkage

Glaciers now cover 35% less area than mid-20th century levels.

Surviving Glaciers

Surviving Glaciers

300 glaciers have disappeared from the American West since mid-20th century.

Glacier Vulnerability

Several glaciers nestled in shaded areas of high mountains.

Surviving glaciers are small and in topographically protected areas.

Fastest-Thinning Glaciers

Two images of the same view, with a large glacier in 1910 and only a sliver left in the shade in 2007.

Beartooth-Absaroka Mountains lose 1.5 feet of ice thickness yearly.

Glacier Survival in Washington

Three images of glaciers

Mount Rainier glaciers shrink slower than Rockies due to cooler summers.

Water and Ecosystem Impact

A glacier, glacial lake and debris flow image, annotated.

Glaciers provide water for ecosystems during dry late summer months.

The one thing

300 glaciers disappeared from American West since mid-20th century, survivors shrinking faster due to warming.

Read the original on The Conversation

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