8 Images of Global Warming
8 Images of Global Warming
The USGS Repeat Photography Project's side-by-side comparisons of glacier retreat over the course of a century reveal dramatic climatic change and global warming at Glacier National Park in Montana.
Sperry Glacier Panorama
In 1913, Sperry Glacier's mass spanned across the entire basin and the glacier's terminus (the end or bottom part of a glacier at any given point in time) was recorded at over 150 feet tall. Contemporary images show how the glacier has receded and separated into fragments.
For more information about the USGS Repeat Photography Project, visit www.nrmsc.usgs.gov.
For more information about the USGS Repeat Photography Project, visit www.nrmsc.usgs.gov.
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