Science Source Stock Photo - Boulder Glacier, Glacier NP, 1932

Boulder Glacier, Glacier NP, 1932

Description: First of 2 images for glacial retreat comparison. Foreground rocks provided an excellent reference point to rephotograph the historic photo. Climate change research in Glacier National Park, Montana entails many methods of documenting the landscape change, including the decline of the parks namesake glaciers. While less quantitative than other high-tech methods of recording glacial mass, depth, and rate of retreat, repeat photography has become a valuable tool for communicating effects of global warming. With evidence of worldwide glacial recession and modeled predictions that all of the parks glaciers will melt by the year 2030, USGS scientists have begun the task of documenting glacial decline through photography. The striking images created by pairing historic images with contemporary photos has given global warming a face and made climate change a relevant issue to viewers. The images are an effective visual means to help viewers understand that climate change contributes to the dynamic landscape changes so evident in Glacier National Park.

Credit:

USGS/T.J. Hileman/Science Source

Unique identifier: SS2538331

Legacy Identifier: BW7669

Type: Image

Size: 4500px × 3295px (~42 MB)

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