UnivTrevesV1, Main, Exploration, bibRecordById, Francis:08-0171532

‘Little Ice Age’ glacier fluctuations, Gran Campo Nevado, southernmost Chile

Identifieur interne : 001703 ( Main/Exploration ); précédent : 001702; suivant : 001704

‘Little Ice Age’ glacier fluctuations, Gran Campo Nevado, southernmost Chile

Auteurs : Johannes Koch [Canada] ; Rolf Kilian [Allemagne]

Source :

The Holocene [ 0959-6836 ] ; 2005-01.

RBID : ISTEX:21E52CCC561AF439835226A2F6D3F5882F59EC40

Descripteurs français

Pascal (Inist)
- Age, Andes, Calendrier, Chili, Etude, Forme, Forêt, Holocène, Moyen, Méthode, Nom, Patagonie, Sol, Système, Terroir.
Wicri :
- geographic : Chili.
- topic : Forêt.

English descriptors

KwdEn :
- Age, Calendar, Chile, Floor, Forest, Form, Holocene, Method, Middle, Name, Soil, Study, System.

Abstract

Moraine systems of Glaciar Lengua (unofficial name) and neighbouring glaciers of Gran Campo Nevado (53°S) in the southernmost Andes were mapped and dated by dendrochronological means. They were formed around AD 1628, 1872/1875, 1886, 1902, 1912 and 1941 with the advance in the 1870s being calendar dated. Recessional moraines within each moraine system correspond to brief standstills or minor readvances. A significantly older moraine could not be directly dated by dendrochronological methods as the forest on it was assumed to be second-generation or older. From soil-formation rates, it is assumed that this moraine was formed at some time between AD 1280 and 1460, a time in which many other glaciers in Patagonia formed moraines. Overall, fluctuations of Glaciar Lengua show a strong synchronicity to other glaciers in the Patagonian Andes between 41°S and 55°S. This study suggests that Glaciar Lengua and possibly all glaciers of Gran Campo Nevado reached their Holocene maximum during the‘Little Ice Age.’

Url:

https://api.istex.fr/document/21E52CCC561AF439835226A2F6D3F5882F59EC40/fulltext/pdf

DOI: 10.1191/0959683605hl780rp

Affiliations:

Allemagne, Canada

Le document en format XML

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<front><div type="abstract" xml:lang="en">Moraine systems of Glaciar Lengua (unofficial name) and neighbouring glaciers of Gran Campo Nevado (53°S) in the southernmost Andes were mapped and dated by dendrochronological means. They were formed around AD 1628, 1872/1875, 1886, 1902, 1912 and 1941 with the advance in the 1870s being calendar dated. Recessional moraines within each moraine system correspond to brief standstills or minor readvances. A significantly older moraine could not be directly dated by dendrochronological methods as the forest on it was assumed to be second-generation or older. From soil-formation rates, it is assumed that this moraine was formed at some time between AD 1280 and 1460, a time in which many other glaciers in Patagonia formed moraines. Overall, fluctuations of Glaciar Lengua show a strong synchronicity to other glaciers in the Patagonian Andes between 41°S and 55°S. This study suggests that Glaciar Lengua and possibly all glaciers of Gran Campo Nevado reached their Holocene maximum during the‘Little Ice Age.’</div>
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Serveur d'exploration sur l'Université de Trèves

‘Little Ice Age’ glacier fluctuations, Gran Campo Nevado, southernmost Chile

‘Little Ice Age’ glacier fluctuations, Gran Campo Nevado, southernmost Chile

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur l'Université de Trèves
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