You are browsing the archive for Canada glacier retreat Archives - From a Glacier's Perspective.
October 11, 2023
Coronation Glacier New Island Development-Baffin Island
This is a portion of the island emerging from beneath the terminus with the 20-50 m high ice front in July 2023, the main portion of the island extends to the left and then out from the glacier. (Bischke/Biner/Bessen/Klemmensen) Coronation Glacier is the largest outlet glacier of the Penny Ice Cap on Baffin Island. The glacier has an area of ~660 square kilometers and extends 35 km from the edge …
June 8, 2023
Terra Nivea Ice Cap Expanding Bedrock Outcrops and Proglacial Lakes
Terra Nivea Ice Cap in Sentinel false color images from 2017 and 2022. Point A=bedrock outcrops expanding. Point L=expanding proglacial lakes. Red arrow=supraglacial stream chanels, yellow arrow=annual layers, green arrow=location where ice cap will separate. Terra Nivea Ice Cap is the southern most Ice Cap in North America, on the Terra Incognita Peninsula of Baffin Island. Mercer (1956) noted that the ice cap accumulation during most years was via superimposed …
December 9, 2021
Swanson River Glaciers Retreat: Two Very Bad Summers in 2018 & 2019
Swanson River glaciers, British Columbia in Landsat images from 1984 and 2019. EM=East Meade Glacier, CG=Canning, red arrows=1984 terminus, yellow arrow=2019 terminus, purple dots=snowline. Points 1-8 are specific glacier locations with very limited to no retained snowcover. The Swanson River feeds into Tagish Lake in NW British Columbia. The watershed is host to dozens of glaciers. Here we exaine the retreat of the two largest glaciers in the watershed from …
September 13, 2021
Southeast Glacier #3, Devon Ice Cap, Canada Recent Retreat
Southeast #3 Glacier, Devon Ice Cap in July 9, 2016 and August 29, 2021 Sentinel 2 images of the lower 10 km showing three supraglacial streams S1, S2 and S3 and the outlet plumes of each stream at Point 1-3. The yellow line is the 2016 margin. The southeast sector of the Devon Ice Cap, Devon Island, Nunavut has three tidewater outlet glaciers Southeast Glacier #1, #2 and #3. Van …
June 10, 2021
Jacobsen Glacier, BC Separation Nearly Complete
Jacobsen Glacier in Landsat images from 1987 and 2019. Red arrow 1987 terminus location, yellow arrow 2019 terminus location and pink dots the snowline. Point A indciates ice marginal lake in 1987, Point C is the glacier junction, Point B an emerging rock rib and Point D a nunatak. Jacobsen Glacier is part of the Monarch Icefield of the Coastal Range of British Columbia. VanLooy and Forster (2008) noted that …
May 13, 2020
Frank Mackie Glacier, BC Retreat Forming Lake
Frank Mackie Glacier, British Columbia in Landsat images from 1987 and 2019. Red arrow is the 1987 terminus location, yellow arrow the 2019 terminus location and purple dots the snowline. Point 1-3 are specific locations where bedrock exposure has expanded. Frank Mackie Glacier is at the headwaters of the Bowser River which flows into Bowser Lake and the Nass River in NW British Columbia. The glacier has repeatedly advanced across …
April 27, 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 …
February 6, 2020
Scott Glacier, Alberta Retreat 1987-2019
Scott Glacier, Alberta in 1987 and 2019 Landsat images. Yellow arrow indicates the 2019 terminus location and Point A and B are areas of bedrock expansion amidst the glacier. Scott Glacier is the largest outlet glacier of the Hooker Icefield the drains into the Whirpool River and then the Athabasca River. The icefield straddles the BC/Alberta border. Jiskoot et al (2009) examined the behavior of the Clemenceau-Chaba Icefield, 25 km …
August 22, 2019
The Disappearance of Multiple Baffin Island Glaciers 2002-2019
Glaciers at Point A and B have melted completely away. The commemoration of a single disappearing glacier in Iceland, Okjokull has brought attention to what is quite a common event this decade, glacier disappearance. Here we report on a number of glaciers in the southern part of the Cumberland Peninsula, Baffin Island that have either disappeared or separated into several parts from 2002-2019. Way (2015) noted that on the next peninsula …
July 25, 2019
Porcupine Glacier Major Iceberg Turns 3 Years Old, What Next?
Porcupine Glacier in Landsat images from 2016 and 2018 and 2019 Sentinel Image. Iceberg A and Ice tongue B are indicated on each. The haziness in 2019 is forest fire smoke. The yellow arrows mark the 2019 terminus location. Porcupine Glacier is a 20 km long outlet glacier of an icefield in the Hoodoo Mountains of Northern British Columbia that terminates in an expanding proglacial lake. During 2016 the glacier …
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.