Lake levels and the size of the park's mountain glaciers may decline as a result.
The extent of mountain glaciers had been mapped by the late 19th century.
He describes how mountain glaciers around the world are melting, most of them rapidly.
The mine is located within what used to be a small equatorial mountain glacier.
Alpine and other types of mountain glaciers are also retreating (Figure 5).
In a new report issued Monday, his agency said the most recent evidence from mountain glaciers showed that they were melting faster than before.
Experts have said for some time that a warming atmosphere has caused many mountain glaciers around the world to shrink.
Snowstorms quickly buried its exact location in a mountain glacier.
This acceleration is 3 times larger than for mountain glaciers and ice caps (12 6 Gt/yr2).
And as is true of mountain glaciers generally, many of Alaska's are retreating, ever faster in recent years.