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You are browsing the archive for Canada glacier retreat Archives - From a Glacier's Perspective.

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 …

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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 …

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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 …

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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 …

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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 …

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July 7, 2019

Penny Ice Cap NW Thinning and Retreat Evident

The Northwest (NW) and Northnorthwest (NNW) outlet of the Penny Ice Cap in 1991 and 2019 Landsat images. Red arrow indicates the 1991 terminus location. Point 1 is a large proglacial, Point 2-4 are areas of emerging and expanding bedrock amidst the ice cap. The two largest outlet glaciers of the NW quadrant of the Penny Ice Cap feed the Isurtuq River.  In 1991 both outlet glaciers terminated at 600 …

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July 1, 2019

Fork Beard Glacier, Baffin Island High June 2019 Temperatures and Snowline

Fork Beard (F) and Nerutusoq Glacier (N) Baffin Island on June 1, 2019,  June 18, 2019 Sentinel images and June 30 Landsat image. Purple dots indicate the snowline.  Fork Beard Glacier (F) is an outlet glacier of a mountain glacier complex just southeast of Penny Ice Cap on Baffin Island.  Nerutusoq Glacier  (N) also drains from the same complex. Here we examine the rapid rise of the snowline from June …

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June 24, 2019

Yelverton Glacier, Ellesmere Island Extensive Retreat and Sikussak loss 1999-2018

Yelverton Glacier (Y) and De Vries Glacier (D) in 1999 and 2018 Landsat images.  Red arrows and red dots indicate the 1999 terminus and yellow arrow the 2018 terminus.  Point M indicates the area of melange or sikussak, the boundary of this area is marked by orange dots. Purple dots mark the snowline. Yelverton Glacier is an outlet glacier from an ice cap on Northern Ellesmere Island. White and Copland …

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September 7, 2018

Croker Bay Glacier, Nunavut Canada Poised for Further Retreat

Croker Bay Glacier, Devon Ice Cap, Nunavut in Landsat images from 1998 and 2017.  The red arrows indicate the 1998 terminus location, yellow arrows the 2017 terminus location.  The pink arrows indicate three inlet on the north glacier.  Croker Bay Glacier drains the southwest quadrant of the Devon Ice Cap, Nunavut.  A study by Van Wychen et al (2012) focused on velocity changes of the Devon ice Cap. They identify that Croker Bay …

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September 4, 2018

Three New Islands Released from Devon Ice Cap, Canada

The northern coast of the Devon Ice Cap with Lady Ann Strait at the top in a 2000 and 2017 Landsat image indicating the development of islands at Cape Caledon, at yellow arrows. See map below.  The Devon Ice Cap on Devon Island in the Canadian Arctic ice cap’s area has an area of 15,000 km², with a volume of 3980 km³. The ice cap has been the focus of …

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