Unteraar Glacier
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The Unteraargletscher (), literally "Lower Aare-Glacier", is the larger of the two sources of the
Aare The Aare () or Aar () is a tributary of the High Rhine and the longest river that both rises and ends entirely within Switzerland. Its total length from its source to its junction with the Rhine comprises about , during which distance it descen ...
river in the
Bernese Alps , topo_map= Swiss Federal Office of Topography swisstopo , photo=BerneseAlps.jpg , photo_caption=The Eiger, Mönch, and Jungfrau , country= Switzerland , subdivision1_type= Cantons , subdivision1= , parent= Western Alps , borders_on= , ...
. It emerges from the association of the Finsteraargletscher (near the Finsteraarhorn) and the Lauteraargletscher (near the
Lauteraarhorn The Lauteraarhorn is a peak (4,042 m) of the Bernese Alps, located in the canton of Bern. Together with the higher Schreckhorn, to which it is connected by a high ridge, it lies between the valleys of the Lower Grindelwald Glacier and the Unteraa ...
) and flows for about to the east down to the Grimselsee near the Grimsel Pass. In total the glacier was long and in area in 1973. Its lower end is (or was) almost 400 metres lower than that of the neighbouring Oberaargletscher. In 18th and 19th centuries, it was one of the first subjects of developing
glaciology Glaciology (; ) is the scientific study of glaciers, or more generally ice and natural phenomena that involve ice. Glaciology is an interdisciplinary Earth science that integrates geophysics, geology, physical geography, geomorphology, c ...
.


See also

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List of glaciers in Switzerland A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ...
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List of glaciers A glacier ( ) or () is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. Glaciers slowly defo ...
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Retreat of glaciers since 1850 The retreat of glaciers since 1850 affects the availability of fresh water for irrigation and domestic use, mountain recreation, animals and plants that depend on glacier-melt, and, in the longer term, the level of the oceans. Deglaciation occur ...
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Swiss Alps The Alpine region of Switzerland, conventionally referred to as the Swiss Alps (german: Schweizer Alpen, french: Alpes suisses, it, Alpi svizzere, rm, Alps svizras), represents a major natural feature of the country and is, along with the Swis ...
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Rhône Glacier The Rhône Glacier (german: Rhonegletscher, Walliser German: ''Rottengletscher'', french: glacier du Rhône, it, ghiacciaio del Rodano) is a glacier in the Swiss Alps and the source of the river Rhône and one of the primary contributors to Lake ...


External links


Swiss glacier monitoring network

"Viatimages", Université de Lausanne/Bibliothéque nationale Suisse
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Carte du Glacier inférieur de l'Aar, levée en 1842, d'après les directions de m.Agassiz par Jean Wild, Ingénieur
(Neuchâtel Public and University Library, cote: IGH Txt 129.6.3) *
Réseau trigonométrique de la carte du glacier inférieur de l'Aar (1847)
(Neuchâtel Public and University Library, cote: IGH Txt 129.6.3) *
Carte du glacier inférieur de l'Aar (1844)
(Neuchâtel Public and University Library, cote: BPUN Q 820 A)
Unteraargletscher in the Topographic Atlas of Switzerland 1870–1922
Glaciers of the canton of Bern Glaciers of the Alps Aare GUnteraar {{Bern-glacier-stub