Dettaglio astratta del ghiacciaio di Aletsch che mostra le morene mediale nella massa di ghiaccio, in contrasto con la valle di foreste nell'ombra. Il ghiacciaio di Aletsch (tedesco
7360 x 4912 px | 62,3 x 41,6 cm | 24,5 x 16,4 inches | 300dpi
Data acquisizione:
31 ottobre 2014
Altre informazioni:
Abstract detail of Aletsch glacier showing medial moraines in the ice mass, in contrast with valley forests in the shadow. The Aletsch Glacier (German: Aletschgletscher) or Great Aletsch Glacier (Grosser Aletschgletscher) is the largest glacier in the Alps. It has a length of about 23 km (14 mi) (2014), has about a volume of 15.4 km3 (3.7 cu mi) (2011), and covers about 81.7 km2 (31.5 square miles) (2011) in the eastern Bernese Alps in the Swiss canton of Valais.The Aletsch Glacier is composed of four smaller glaciers converging at Concordia Place, where its thickness was measured by the ETH to be still near 1 km (3, 300 ft).[citation needed] It then continues towards the Rhône valley before giving birth to the Massa. The Aletsch Glacier is – like most glaciers on this world – a retreating glacier. As of 2016, since 1980 it lost 1.3 kilometres (0.81 mi) of its length, since 1870 3.2 kilometres (2.0 mi), and lost also more than 300 metres (980 ft) of its thickness. The whole area, including other glaciers is part of the Jungfrau-Aletsch Protected Area, which was declared a UNESCO World Heritage Site in 2001. From the project ourglaciers.com
