Advertisement

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

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 …

Read More >>


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 …

Read More >>


June 14, 2018

Coutts Ice Cap, Baffin Island Fragmentation

Coutts Ice Cap in  Landsat images from 1986 and 2017.  The terminus location of the main glacier terminating in the large lake is indicated by dots.  Tributary Glaciers 1-6 represent locations where glaciers have separated or a glacier has retreated from a lake.  Coutts Ice Cap is on between Coutts Inlet to the west and Buchan Gulf to the east on the north shore of Baffin Island near its northeastern …

Read More >>


October 6, 2017

Klinaklini Glacier, British Columbia Retreat Generates Large Icebergs

Klinaklini Glacier comparison in Landsat images from 1987 and 2017.  Red arrow 1987 terminus, yellow arrow 2017 terminus and snowline at purple dots. Klinaklini Glacier is the largest glacier in the Coast Mountains of British Columbia between Vancouver and Prince Rupert.  The glaier drains west and south from Mt. Silverthrone.  There is significant accumulation area above 2500 m and the glacier terminates at 300 m.  GLIMS noted the area in …

Read More >>


September 28, 2017

Bishop Glacier Retreat, British Columbia Generates Substantial Alpine Lake

Bishop Glacier retreat in Landsat images from 1985 and 2017, 3000 m retreat. Red arrow is the 1985 terminus, yellow arrow is the 2017 terminus, purple dots is the snowline. B=Bishop, R=Ring, L=Lillooet. Bishop Glacier is a 10.5  km long western outlet glacier of the Lillooet Icefield in British Columbia. The glacier shares a divide with the eastern outlet Lillooet Glacier at 1750 m.  The glacier from 1985-2017 has ended …

Read More >>


June 5, 2017

Llewellyn Glacier, BC Proglacial Lake Merging From Retreat

Llewellyn Glacier comparison in 1984 Landsat and 2016 Sentinel images.  Red arrows the 1984 terminus locations for proglacial lakes A-D, yellow arrows the 2016 terminus locations for A and B. Point E was the peninsula separating proglacial lakes A and B, which are now joined due to glacier retreat.  The second largest glacier of the Juneau Icefield is the Llewellyn Glacier which is in British Columbia. The Juneau Icefield Research …

Read More >>


May 11, 2017

Borden Peninsula Ice Caps, Baffin Island Snowcover Where Art Thou

Borden Peninsula Ice Cap in 1997 and 2016 Landsat images.  Purple dots indicate the transient snowline.  Orange arrows indicate specific location of glacier thinning, retreat or area loss.  The Borden Peninsula is in the northeastern most section of Baffin Island.  Here we examine an ice cap that is on the edge of Lancaster Sound in Sirmilik National Park.  We use Landsat imagery from 1997 through 2016 to identify change.  This …

Read More >>


April 14, 2017

Swiftcurrent Glacier, British Columbia, Swiftly Retreating 1986-2015

Swifttcurrent Glacier Comparison from 1986 and 2015 Landsat images.  Red arrow is the 1986 terminus, yellow arrow 2015 terminus, purple arrow significant tributaries in 1986, and purple dots the snowline. Swiftcurrent Glacier drains the southeast side of Mount Longstaff 15 km NW of Mount Robson.  The glacier is near the headwaters of the Fraser River, and its retreat since 1986 has led to the formation of a new alpine lake. Here …

Read More >>


April 12, 2017

Beautiful British Columbia Land of Many Mountains & Dwindling Glaciers

  British Columbia is host to many mountain ranges; Purcell, Monashee, Bugaboo, Selkirk, Cariboo, Coat Range, Kootenay, Kwadacha are just some of the diverse mountain ranges  that host glaciers and span climate zone. A shared characteristic today regardless of climate zone or mountain range is dwindling glacier size and volume.  Bolch et al (2010) found that from 1985-2005 Alberta glaciers lost 25% of their area and BC glaciers 11% of …

Read More >>


March 17, 2017

Bridge Glacier Terminus Collapse, BC, 4 km retreat 1985-2016

Bridge Glacier comparison in 1985 and 2016 Landsat Images.  Red arrow is the 1985 terminus, yellow arrow the 2016 terminus and purple arrows indicate locations where tributaries have separated between the two dates.  Bridge Glacier is an 17 km long outlet glacier of the Lillooet Icefield in British Columbia. The glacier ends in a rapidly expanding glacial lake and had an observed retreat rate of 30 m per year from …

Read More >>