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October 26, 2021
Queulat Glacer Complex, Chile Recession 1987-2021
Seven outlet glaciers of the Queulat glacier complex, Chile in 1987 and 2020 Landsat images. A=Rosselot Glacier and D=Colgante Hanging Glacier are the only ones in 1987 not terminating in a proglacial lake. The other five retreated from a proglacial lake since 1987 and Rosselot Glacier retreat has led to formation of two lakes. Nevado Queulat, Chile is the centerpiece of the Queulat National Park in the Aysen Region. This …
December 21, 2017
Queulat Norte Glacier, Chile Retreat Creates Two Lakes
Queulat Norte Glacier in 1987, 2000 and 2016 Landsat images indicating retreat from 1987 (red arrow) to 2016 (yellow arrow). Green arrow indicates former tributary, orange arrow area of new bedrock exposure and pink arrow expanding medial moraine. Two new lakes have formed due to the 1950 m retreat. Nevado Queulat, Chile is the centerpiece of the Queulat National Park in the Aysen Region. The largest glacier draining the substantial ice …
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.