June 27, 2016

Suatisi Glacier Retreat, Mount Kazbek, Georgia

Suatisi Glacier Retreat, Mount Kazbek, Georgia

Comparison of Suatisi Vost (SV) and Suatisi Sredny (SS) in 1986 and 2015 Landsat images.  The red arrow is the 1986 terminus and the yellow arrows the 2015 terminus.  Point A and B are to areas of expanding bedrock amidst the glacier.  Suatisi Vost and Suatisi Sredny Glacier are two glaciers on the south flank of Mount Kazbek in northern Georgia.  The region is prone to landslides and debris flows. On …

Read More >>



June 23, 2016

Canadian Columbia Basin Glacier Spring 2016 Field Season (winter 2015-2016 Assessment)

Canadian Columbia Basin Glacier Spring 2016 Field Season (winter 2015-2016 Assessment)

Guest Post by Ben Pelto, PhD Candidate, UNBC Geography, pelto@unbc.ca During the spring season we visited our four study glaciers (Figure 1), which form a transect of the Columbia Mountains from the Kokanee Glacier in the Selkirk Range to the south, to the Conrad (Purcells) and Nordic (Selkirks) in the center, to the Zillmer of the Premier Range in the north. This post will explore the snowpack of winter 2016 across …

Read More >>



June 21, 2016

Chutanjima Glacier Retreat & High Snowline, Tibet, China 1991-2015

Chutanjima Glacier Retreat & High Snowline, Tibet, China 1991-2015

A comparison of three Tibet glaciers in 1988, 1991 and 2015 Landsat images. Red arrows are the 1988 terminus position, yellow arrow the 2015 terminus location and purple dots the snowline in late October 2015.  U=unnamed, CH=Chutanjima Glacier and MO=Mogunong Glacier: which did not retreat significantly and lacks a red arrow. A recent European Space Agency Sentinel-2A image of southern Tibet, China and Sikkim illustrated three very similar glaciers extending …

Read More >>



June 17, 2016

Brady Glacier, Alaska 2016 Early Melt Season & Lake Expansion

Brady Glacier, Alaska 2016 Early Melt Season & Lake Expansion

Comparison of Brady Glacier in 1986 and 2016 Landsat images.  The snowline is similar in May 2016 and August 1986. Lakes noted are: A=Abyss, B=Bearhole, D=Dixon, N=North Deception, O=Oscar, Sd=South Dixon, Sp=Spur, T=Trick. Brady Glacier,  is a large Alaskan tidewater glacier, in the Glacier Bay region that is beginning a period of substantial retreat Pelto et al (2013). In 2016 the melt season has been intense for the Brady Glacier in …

Read More >>



June 14, 2016

Harris Glacier Retreat, Kenai Fjords, Alaska

Harris Glacier Retreat, Kenai Fjords, Alaska

Landsat images of Harris Glacier from 1986 and 2015.  The red arrow indicates 1986 terminus location, yellow arrow the 2015 terminus position.  The orange arrow indicates a key eastern tributary and the pink arrow a smaller eastern tributary.  Harris Glacier flows from the northwest corner of the Harding Icefield, Alaska and it drains into Skilak Lake.  The glaciers that drain east toward are in the Kenai Fjords National Park, which has a monitoring program.  Giffen et …

Read More >>



June 7, 2016

Bailang Glacier and Angge Glacier Retreat, China 1995-2015

Bailang Glacier and Angge Glacier Retreat, China 1995-2015

Comparison of 1995 and 2015 Landsat image illustrating 1995 (red arrows) and 2015 terminus locations (yellow arrows) of Bailang Glacier (B) and Angge Glacier (A).  Purple arrows indicate areas upglacier of expanding bedrock due to glacier thinning. Head of Chubda Glacier (C), Bhutan indicated.  Bailang Glacier and Angge Glacier, China are adjacent to the Chubda Glacier, Bhutan.  Despite being in a different nation on a different side of the Himalaya, the …

Read More >>



June 2, 2016

Chubda Glacier Retreat, Bhutan 1995-2015

Chubda Glacier Retreat, Bhutan 1995-2015

Chubda Glacier comparison in 1995 and 2015 images.  Red arrow indicates 1995 terminus location and yellow arrow is 2015 terminus location.  Pink arrows indicate areas upglacier of expanding bedrock. Green arrow indicates moraine areas amidst the lake.  The orange arrow indicates a secondary glacier. Chubda Glacier, Bhutan drains south from Chura Kang on the Bhutan/China border.  The glacier terminates in Chubda Tsho, a glacier moraine dammed lake, Komori (2011) notes …

Read More >>



May 30, 2016

Tingmiarmit Glacier Retreat Separates Tributaries, South East Greenland

Tingmiarmit Glacier Retreat Separates Tributaries, South East Greenland

Tingmiarmit Glacier comparison in 1999 and 2015 Landsat images indicating the separation of tributaries at the terminus. The red arrows indicate the 1999 terminus and the yellow arrows the 2015 terminus location.  Point A is peninsula where the tributaries joined, and Point B is a nunatak just upglacier from the 2015 terminus. Tingmiarmit Glacier (Timmiarmiit also) ends in the Tingmiarmit Kangertivat Fjord in southeast Greenland.  The glacier is just south of …

Read More >>



May 27, 2016

Eagle Glacier, Alaska Retreat Losing a Wing

Eagle Glacier, Alaska Retreat Losing a Wing

Above is a paired Landsat image from 1984 left and 2013 right indicating the 1100 m retreat during this period of Eagle Glacier. My first visit to the Eagle Glacier was in 1982 with the, ongoing and important, Juneau Icefield Research Program, that summer I just skied on the glacier. In 1984 we put a test pit at 5000 feet near the crest of the Eagle Glacier to assess the …

Read More >>



May 23, 2016

Bernardo Glacier, Patagonia, Chile Accelerated Retreat in Expanding Lake Complex

Bernardo Glacier, Patagonia, Chile Accelerated Retreat in Expanding Lake Complex

Comparison of 1986 and 2015 Landsat image of Bernardo Glaciers three termini, north, main and south. Red arrows indicate 1986 terminus location and yellow arrows the 2016 terminus location.  Indicating the substantial retreat of each terminus and lake expansion for the north and main terminus, while the lake drained at the southern terminus.  Bernardo Glacier is a difficult to reach outlet glacier on the west side of the Southern Patagonia …

Read More >>