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Glaciers

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. Glaciers slowly deform and flow due to stresses induced by their weight, creating crevasses, seracs, and other distinguishing features. They also abrade rock and debris from their substrate to create landforms such as cirques and moraines. Glaciers form only on land and are distinct from the much thinner sea ice and lake ice that form on the surface of bodies of water.

Contributors in Glaciers

Glaciers

terminus

Water bodies; Glaciers

Večina nižje stopnje, konec ali Ekstremnost ledenjak.

ledenik pretoka

Water bodies; Glaciers

Premiki ledu v ledenjak, običajno v smeri navzdol in pasivnega, zaradi težnosti. "Normalno" pretoka, so stopnje v čevljev na dan. "Hitre" pretoka stopnje (t.j. val ) so v 10s ali 100s čevljev na ...

ledene gore

Water bodies; Glaciers

Blok ledu, ki je zdrobljen ali telile obličja ledenik in plava v telesu morskih sveže vode. Alaskan ledenih gorah redko presega 500 metrov v največjo dimenzijo. Da bi večje velikosti, se uporabljajo ...

distributary

Water bodies; Glaciers

Jezik ledenik ledu, ki teče od glavnega debla od ledenika. To lahko posledica diferencialno taljenja spreminja gradient del ledenika.

Dendrokronologija

Water bodies; Glaciers

Preučevanje branike in subfossil les za zagotavljanje informacij o zgodovini ledeniških in klimatskih območja.

suncups

Water bodies; Glaciers

Niz skledo kot depresija stali v snegu ali ledu površine, ločeni z mrežo povezanih grebenov. Posameznih suncups je lahko več kot treh metrov globoko in deset metrov v premeru. Suncups obrazec v ...

ledeniški potok

Water bodies; Glaciers

Channelized kopičenje tekočine vode na (supraglacial), v (englacial), ali pod (subglacial) ledenik, gibljejo pod vplivom gravitacije.

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