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25 May 2023
Sawyer Glacier, Tracy Arm Alaska Retreats from Tidewater
Sawyer Glacier Alaska in False Color Sentinel images from Sept. 12, 2022 and May 23, 2023. Note the the calving face in 2022 between the yellows arrows has become bare ground by May 23, 2023. TA=Tracy Arm Sawyer Glacier in May 19, 2023, taken by Steve Backus (Lindblad Expeditions Naturalist), not touching tidewater. Sawyer Glacier, is an Alaskan glacier where the retreat has long been viewed by many visitors. It …
24 February 2017
Shoup Glacier, Alaska Retreat, Thinning, Velocity Decline
Shoup Glacier comparison in 1986 and 2016 Landsat images. The glacier retreated 1900 m in this interval. Red arrow is 1986 terminus, yellow arrow the 2016 terminus, green arrow rock rib emerging from beneath glacier, purple dots a landslide deposit, and purple arrow the snowline. Shoup Glacier is between the Columbia Glacier and Valdez draining from the Chugach Mountains in southern Alaska. The glacier was a tidewater terminating glacier until …
