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June 20, 2022

Heat Wave Leads to Rapid Glacier Snowcover Loss in Alps

Grande Murailles Glacier, Italy (GM) in June Sentinel images. The yellow line is the glacier margin, the expansion of bare glacier ice from 1-3% of the glacier on June 10 to 20% of the glacier by June 18 is evident. The snowline is ~3200 m. The heat wave during the last week that has impacted western Europe and the Alps has led to a predictable impact on glaciers (WMO, June …


June 8, 2017

Sabbione Glacier, Italy Retreat & Fragmentation

Sabbione Glacier in 1999, 2001 and 2016 Landsat images.  Red arrow is 1999 terminus location, red arrow the 2016 terminus location and the purple area new rock outcrops emerging in the midst of the glacier. Sabbione Glacier is on the Swiss-Itlaian border.  The glacier drains into Lago Sabbione an artificial lake that in turn drains into Lago Morasco, which is a 29MW hydropower facility. The lake also has good fishing. This …


May 12, 2016

Vallelunga and Barbadorso Glacier Retreat, South Tyrol Italy

Vallelunga (above) and Barbadorso di Dentro Glacier (below) retreat from 2003 (orange line) to 2015 yellow dots.  Blue arrows indicate flow path and pink arrow the junction of main two tributaries of Vallelunga Glacier. Vallelunga Glacier and Barbadorso di Dentro Glacier are at the headwaters of the Vallelunga watershed which feeds the Reschensee.  Reschensee is a reservoir famous for the church tower that emerges above its surface.  This artificial lake …


February 1, 2016

Pré de Bar Glacier Retreat, Italy

Landsat image comparison from 1990 and 2015 of the Pré de Bar Glacier (P).  The adjacent Argentiere Glacier (A) is shown, the red arrow is the 1990 terminus, the yellow arrow the 2015 terminus and the purple dots the snowline. Retreat from 1990 to 2015 was  Pré de Bar Glacier is a glacier on the east side of Aiguille de Triolet and south side of Mont Dolent. This is a steep …


December 28, 2015

Lex Blanche Glacier Recession, Mont Blanc Massif, Italy

Lex Blanche Glacier (Lb) comparison in a 1990 and 2015 Landsat image.  Red arrow indicates 1990 terminus, yellow arrow the 2015 terminus and the purple arrow a separated tributary. Debris covered Miage Glacier (M) is adjacent.  Lex Blanche Glacier descends from 3500 m on the southeast flank the Aiguille de Glaciers of the Mont Blanc Massif into the Vale Veny of Italy. The glacier is adjacent to Miage Glacier (M). The …


June 25, 2015

Rutor Glacier, Italy Retreat and Rising Snowline

The Rutor (Ruitor) Glacier is one of the 10 largest in Italy and is on the France-Italy border draining into the Aosta River valley.  The glacier has three termini with the main terminus being the eastern one. The position of the glacier snout has been surveyed though not every year by the Italian Glaciological Committee since 1900. The glacier has a long series of terminus and volume observations compiled by …