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You are browsing the archive for British Columbia Glacier retreat.

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 …

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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 …

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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 …

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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 …

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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 …

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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 …

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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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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 …

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October 22, 2019

Falcon Glacier, British Columbia Wings Clipped by Climate Change

Falcon Glacier in 1985 and 2019 Landsat images indicating the 2000 m retreat.  Red arrow is 1985 terminus location, yellow arrow the 2019 terminus location. I=icefall locations joining the glacier. Falcon Glacier in southwest British Columbia drains east from the Compton Neve into the Bishop River, which then joins the Southgate River. The Southgate River is one of three major watersheds emptying into the head of Bute Inlet. The Southgate …

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April 1, 2019

Nakonake Glaciers, BC Retreat Two are Disappearing

Nakonake Glaciers in 1984 and 2018 Landsat images. Nakonake Glaciers are NW=Northwest, N=North, M=Middle, S=South, SE=Southeast.  Red arrows indicate the 1984 terminus position of the North and Middle Nakonake Glaciers.  Yellow arrows indicate the 2018 terminus location of each. Purple dots indicate the snowline and the pink arrow indicates locations of glacier separation. The Nakonake Glaciers are a group of unnamed glaciers at the headwaters of the Nakonake River in …

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