is firn. The minimum altitude that firn accumulates on a glacier is called the firn limit, firn line or snowline. Antarctic Firn Daniel Bruun Firn Dreyer...

The East Northwall Firn was a glacier on Mount Carstensz in the Sudirman Range on the island of New Guinea in Central Papua province, Indonesia. Situated...

The West Northwall Firn was a glacial body on Mount Carstensz in the Sudirman Range on the island of New Guinea in Central Papua province, Indonesia. The...

crevasse that forms where moving glacier ice separates from the stagnant ice or firn above. It is often a serious obstacle for mountaineers, who sometimes abbreviate...

head of a glacier. The minimum altitude that firn accumulates on a glacier is called the firn limit, firn line or snowline. There are four main mechanisms...

Orkney Northwall Firn, a glacier now split in two, East Northwall Firn, a glacier in Papua province, Indonesia West Northwall Firn, a glacier in Papua...

and western sides of the mountain. Remnants of the once mighty Northwall Firn (now separated into eastern and western parts) cling tenuously to the southern...

Glacier Ygdrasil Ymer Glacier Zachariæ Isstrøm Daniel Bruun Firn Dreyer Firn Rink Firn Sven Hedin Firn List of glaciers List of fjords of Greenland Rignot E...

southeast the peninsula is attached to the mainland and its ice cap. The Dreyer Firn is located in the southwest, near the Saint George Fjord's shore. There are...

that survives a full season of ablation turns into firn, which is both older and slightly denser. Firn eventually becomes glacial ice – the long-lived,...