Sperry Glacier perimeter: 1966,1998, 2005, 2015.
By Northern Rocky Mountain Science Center
2017 (approx.)
Detailed Description
This image shows the perimeter of Sperry Glacier in Glacier National Park in 1966,1998, 2005, and 2015.
Sources/Usage
Public Domain.
Related
Time Series of Glacier Retreat
The retreat of glaciers (see PDF at end of page) in Glacier National Park, Montana, has received widespread attention by the media, the public, and scientists because it is a clear and poignant indicator of change in the northern Rocky Mountains of the USA. In 2017, the USGS and Portland State University released a dataset which describes the areas of the 37 named glaciers in Glacier National Park...
Related
Time Series of Glacier Retreat
The retreat of glaciers (see PDF at end of page) in Glacier National Park, Montana, has received widespread attention by the media, the public, and scientists because it is a clear and poignant indicator of change in the northern Rocky Mountains of the USA. In 2017, the USGS and Portland State University released a dataset which describes the areas of the 37 named glaciers in Glacier National Park...