GeoLog

glacier

Imaggeo on Mondays: Trapped air

Can you imagine walking into the depths of an icy, white, long and cavernous channel within a thick glacier? That is exactly what Kay Helfricht did in 2012 to obtain this week’s Imaggeo on Mondays photograph. Tellbreen Glacier is a small glacier (3.5Km long) in the vicinity of the Longyearbyen valley in the Svalbard region of Norway. Despite its limited size, it is an important glacier. One of the ...[Read More]

Imaggeo on Mondays: Beneath a star-studded sky

Marco Matteucci captured this image of the night sky on the slopes of Mount Rosa, the second tallest peak in Alps. Mount Rosa straddles the border between southern Switzerland and Italy the pink mountain’s name comes from the Franco-Provençal word rouése, meaning glacier. Much off the Swiss side of the mountain is enveloped in the ice of Gorner Glacier, the second largest glacier in the Alps. On t ...[Read More]

Imaggeo on Mondays: Moulding Malaspina’s moraines

There are many different types of glaciers, each defined by where they’re located and how they terminate. Piedmont glaciers are those that flow out from a confining valley and spill out into the open, forming wide lobes. This one is Malaspina Glacier, which spreads out over the Seward Ice Field. Stretching 45 kilometres over the lowlands towards the sea, and spanning some 65 kilometres across, Mal ...[Read More]

Imaggeo on Mondays: Carving polar canyons

This week Ian Joughin, a research scientist from the Polar Science Center at the University of Washington, takes us on the polar express to put glacial processes into perspective and find out what makes a moulin… This canyon formed when a melt lake on the surface of the Greenland Ice Sheet overflowed and created a stream that extended out toward a crevasse field. This outflow stream filled a creva ...[Read More]