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April 24, 2019
Twitcher Glacier, South Georgia, 40% of Length Lost 1989-2019
Twitcher Glacier in Landsat images from 1989 and 2019. The red arrow is the 1989 terminus and yellow arrow is the 2019 terminus. 1, 2 and 3 are tributaries. Twitcher Glacier is the next glacier south of Herz Glacier on the east coast of South Georgia. Until 1989 the glacier ended at the tip of a peninsula, the ensuing retreat has led to the opening of a new fjord. Twitcher …
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.