From a Glacier's Perspective

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 …

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 …

September 22, 2016

Porcupine Glacier, BC 1.2km2 Calving Event Marks Rapid Retreat

Landsat images from Sept. 2015 and Sept. 2016. Red arrow is the 1988 terminus and the yellow arrow the 2016 terminus. I marks an icefall location and point A marks the large iceberg. 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 a 1.2 square kilometer iceberg …

April 5, 2013

Porcupine Glacier Retreat and Lake Expansion, British Columbia

Porcupine Glacier is a 20 km long outlet glacier of an icefield in the Hoodoo Mountains of Northern British Columbia. Bolch et al (2010) noted a reduction of 0.3% per year in glacier area in the Northern Coast Mountains of British Columbia from 1985 to 2005. Scheifer et al (2007) noted an annual thinning rate of 0.8 meters/year from 1985-1999. Here we examine the retreat of Porcupine Glacier and the …