Advertisement

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

January 12, 2022

Braithwaite Icefield, British Columbia Fragments, Proglacial Lakes Develop and Accumulation Zone is Lost

East Creek Glacier, a Braithwaite Icefield glacier in Sentinel images from 2018, 2019 and 2021 illustrating the at Point A and B  where the glacier has disconnected from other glaciers of the icefield . Point C is a the terminus of one icefield outlet glacier that develops a proglacial lake. Point D is adjacent to the ice divide where ice flows both north and south from.  Note the area is …

Read More >>


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 …

Read More >>


July 21, 2021

Tulsequah Glacier, BC 2021 Glacier Lake Outburst Flood

  Landsat images of Tulsequah Glacier on June 22 and July 5, 2021.  Lake No Lake is between the yellow arrows with the margin of glacier extending upvally on June 22nd. By July it has receded back to main valley and lake has largely drained. The former location of Tulsequah glacier dammed lake is at red arrow. Tulsequah Glacier, British Columbia drains east from the Juneau Icefield and is best …

Read More >>


July 9, 2021

Porcupine Glacier, British Columbia Southern Terminus Breakup

Porcupine Glacier, British Columbia in a July 4, 2021 Sentinel image illustrating the retreat from 2015-2021 and new iceberg breakup (B). Red arrow is 2015 terminus location and yellow arrows 2021 terminus locations of both branches. 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 had an unusually …

Read More >>


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 …

Read More >>


November 9, 2020

Mount Cayley Glacier, BC Loses 40% of Length 1985-2020

Mount Cayley Glacier (MC) and Brandywine Glacier (B) near Callaghan Lake (CL) in 1985 and 2020 Landsat Images. Yellow arrow indicates 2020 terminus, red arrow indicates 1985 terminus location. Mount Cayley Glacier and Brandywine Glacier drain the northeast flanks of Mount Cayley and Brandywine Mountain in the Coast Range,  25 km west of Whistler, BC.  Both glaciers drain in to Callaghan Creek, a tributary to Cheakamus Rover. Retreat of Mount …

Read More >>


October 16, 2020

Whiting River Headwater Glacier, British Columbia Separates into Four

Whiting River headwaters glaciers in 1984 and 2020 Landsat images.  The red arrows indicate 1984 terminus positions, yellow arrow the 2020 terminus locations, pink arrows locations of glacier detachment and purple dots the snowline. In Northwest British Columbia on the northeast side of the Stikine Icefield the Whiting Rver drains a series of glaciers, many unnamed.  Here we are focusing on a pair of glaciers just west of Whiting Lake …

Read More >>


October 9, 2020

Franklin Glacier, British Columbia Tributary Detachment and Retreat 1987-2020

Franklin Glacier, British Columbia in 1987 and 2020 late summer Landsat images.  Red arrow is the 1987 terminus, yellow arrow the 2020 terminus, and purple dots the snowline.   Point 1 is the junction with Dauntless Glacier, Point 2 is the junction with an unnamed glacier, Point 3 is where Whitetip Glacier joins the glacier, and Point 4 is where Jubilee Glacier previously joined. Franklin Glacier is one of the largest …

Read More >>


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 …

Read More >>


December 16, 2019

Stave River, BC Run of River Hydropower Changes with Glacier Retreat

Stave Glacier area in 1992 and 2019 Landsat images illustrating the loss of glacier area.  Red arrows indicate 1992 terminus location, yellow arrow 2019 terminus location, Point 1-3 are proglacial lake that are evolving, P=Piluk Glacier and S=Stave Glacier. Stave River drains into Stave Lake and has a 40 km length above the lake.  The basin has a glaciated area of 32 km2. The basin above Stave Lake has two …

Read More >>