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27 April 2020

Vern Ritchie-Battle Glacier, British Columbia Retreat, Lake Growth, Snowline Rise

Vern Ritchie (VR) and Battle Glacier (B) in 1987 and 2019 landsat images.  Three proglacial lakes have expanded at Points 2-5. WN=West Nunatak Glaier, Y=Yakutat Glacier N=Novatak Glacier, purple dots indicate snowline and green arrows indicate glacier flow direction. Vern Ritchie and Battle Glacier flow from the Alaska/Canada border of the St. Elias Mountains towards the Alsek River. In 1987 the two glaciers that share both an accumulation zone and …

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