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December 20, 2022
Lekhziri Glacier, Georgia Retreat Leads to Separation 1996-2022
Lekhrziri Glacier in 1996 and 2022 Landsat images illustrating the retreat and separation of the three tributaries central (Lc), eastern (Le) and western (Lw). Red arrow indicates 1996 terminus and yellow arrows the 2022 terminus locations Lekhrziri Glacier has been the largest glacier in Georgia, and was until 2011 a compound glacier comprised of three tributaries joining a short distance from the terminus (Tielidze et al 2016). Tielidze et al …
September 9, 2020
Khanasankoi Glacier, Russia Separation and Full Snowcover Loss
Khasankoi Glacier in 1985, 1998, 2013 and 2020 Landsat imagery with Point 1-4 indicating locations where bedrock expansion is occurring with Point 1 and 3 separating the glacier into three parts. Note complete lack of snowcover on 8-26-2020. Khasnakoi Glacier is a north facing slope glacier just south of Mount Elbrus that drains into the Kuban River. The Greater Caucasus contain approximately 2000 glaciers with a total area of ~1200 …
June 27, 2016
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 …
July 30, 2015
Lednik Midagrabin Retreat, Caucasus, Russia
Lednik Midagrabin is a large glacier draining northwest from Gora Dzhimara in North Ossetia, Russia. Stokes et al (2006) examined Caucasus glaciers during the 1985-2000 period and found that 94% of the glaciers have retreated, 4% exhibited no overall change and 2% advanced. The mean retreat rate is 8 m/year, with the largest glacier retreating the fastest. Shahgedanova et al (2009) observed that the retreat was driven by a large rise in summer …
December 14, 2012
Lednik Karaugom Glacier Retreat Caucasus Mountains, Russia
Lednik Karaugom Glacier is a large 13 km long, valley glacier in the Caucasus Mountains of Northern Ossetia, Russia. The glacier drains into the Urukh River which joins the Terek River and then flows into the Caspian Sea. This post compares Landsat imagery from 1986, 2010 and 2012, an image from the USGS in 2002 and Google Earth imagery from 2009. This glacier has experienced a general retreat like all …
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.