Here are 230 repeat photography pairs of glaciers in Alaska national parks. You can also browse photo pairs by other topics including floodplains, vegetation, and coastal landscapes.
Glacier National Park Repeat Photography Project
View and download high resolution photo pairs of glaciers from the USGS in Glacier National Park. These pairs show the effect of climate change on the park's glaciers.
Glacier recession animation
This model was developed by the USGS Climate Change in Mountain Ecosystems Program in 2003. It shows changes in ice features and vegetation at Glacier National Park from 1850 to 2100. The model predicts that the park's glaciers will be gone by 2030. But the current rate of melting has surpassed the predicted rate, meaning that researchers believe the glaciers will be gone earlier than 2030.