Forgotten, Half-Century Old Film Photographs Reveal A Hidden Truth About Antartica's Glaciers
Briefly

The removal of an ice shelf can cause glaciers to rapidly melt into the ocean and raise global sea levels. Ice shelves 'hold back' the flow of glaciers, and their collapse leads to the transfer of ice from land to sea, contributing to sea-level rise.
In a paper published in Scientific Reports, researchers reconstructed five glaciers' conditions before the Larsen B Ice Shelf collapse using 1,000 film photographs from the 1960s to precisely calculate their impact on sea-level rise. Historical images from 1968 provided invaluable data for measuring changes over time.
Antarctica's remote regions make it difficult and costly for scientists to gather data directly. Satellites are crucial for data collection, yet the Antarctic Peninsula's persistent cloud cover poses challenges, highlighting the importance of historical images and data archives.
Read at Inverse
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