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April 10, 2023
Glaciers Across the Central Andes Snowcover Free Summer 2023
Bajo del Plomo Glacier, Argentina in Sentinel image with no retained snowcover this summer, and rapid bedrock expansion at Point A-C. This is 2nd consecutive year without retained snowcover for this glacier at the head of the Rio Plomo. For an alpine glacier to thrive it must remain 50-60% snowcovered throughout the year, even at the end of the summer. To survive it must have consistent significant snowcover at the …
April 1, 2022
Central Andean Glaciers Laid Bare for Last Half of Summer 2022
Volcan Overo in Sentinel image continues to fragment with no retained snowcover this summer, and bedrock expansion at Point A. For an alpine glacier to survive it must remain mostly snowcovered throughout the year, even at the end of the summer. This is one reason for the majesty of glaciated mountains, they shine brightly even in summer. This year in the Central Andes of Argentina and Chile I have chronicled …
Dean of Academic Affairs at Nichols College and Professor of Environmental Science at Nichols College in Massachusetts since 1989. Glaciologist directing the North Cascade Glacier Climate Project since 1984. This project monitors the mass balance and behavior of more glaciers than any other in North America.