Cirque: A bowl-shaped, steep-walled depression formed by glacial erosion in mountainous regions. Equilibrium Line Altitude (ELA): The altitude on a glacier where accumulation and ablation are in ...

Gran Mitchell says cirques may act as a “glacial linebacker” that takes mountains out at the knees. The glacier scours the floors of the cirque and eats away at the walls, steepening the ...

University of Montana doctoral candidate Caitlyn Florentine is taking a new look at Sperry Glacier’s retreat, and this particular glacier’s near future isn’t quite as bad as previously thought.

image: A small cirque glacier feeds meltwater into Upper Greyling Lake in south-central Alaska. The former extent of the glacier can be reconstructed from the sharp-crested ridges of debris ...

There are countless hiking routes across the Northern Japan Alps, but the Karasawa Cirque, starting from Kamikochi, Nagano Prefecture, is one of the most superb. The eleven-hour hike, which most ...