A large rock avalanche onto Morsarjökull glacier, south-east Iceland. Its implications for ice-surface evolution and glacier dynamics - Université de Bretagne Occidentale Access content directly
Conference Papers Year : 2010

A large rock avalanche onto Morsarjökull glacier, south-east Iceland. Its implications for ice-surface evolution and glacier dynamics

Abstract

In spring 2007, a large rock avalanche descended onto the Morsárjökull valley glacier in southeast Iceland, leaving one fifth of the glacier buried. The insulating effect of the deposit on the ice was quickly observed as a difference in the ablation between the exposed ice and that under the deposit. After three melt seasons, the ice surface under the deposit was 29 m above the surrounding glacier surface. A reduced rate of ice melting beneath the area of the deposit would likely alter the longitudinal profile of the glacier.

Domains

Glaciology
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Dates and versions

hal-00482107 , version 1 (08-05-2010)

Identifiers

  • HAL Id : hal-00482107 , version 1

Cite

Armelle Decaulne, Þorsteinn Sæmundsson, Halldór G. Pétursson, Helgi Pall Jónsson, Ingvar A. Sigurðsson. A large rock avalanche onto Morsarjökull glacier, south-east Iceland. Its implications for ice-surface evolution and glacier dynamics. Iceland in the Central Northern Atlantic : hotspot, sea currents and climate change, May 2010, Plouzané, France. ⟨hal-00482107⟩
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