You are browsing the archive for Canada glacier retreat Archives - Page 2 of 6 - From a Glacier's Perspective.
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
Dean of Academic Affairs at Nichols College and Professor of Environmental Science at Nichols College in Massachusetts since 1989. Glaciologist directing the North Cascade Glacier Climate Project since 1984. This project monitors the mass balance and behavior of more glaciers than any other in North America.