Gärtner-Roer, I; Nyenhuis, M (2010). Volume estimation, kinematics and sediment transfer rates of active rockglaciers in the Turtmann Valley, Switzerland. In: Otto, J C; Dikau, R. Landform – structure, evolution, process control: proceedings of the International Symposium on Landform. Heidelberg: Springer, 185-198.
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Rockglaciers represent major sediment storages and transport components of the periglacial system. A multi-method approach combining geomorphological mapping, DTM analyses, digital photogrammetry and geodetic survey, was applied to quantify volumes and kinematics for the calculation of sediment transfer rates of a rockglacier in the Turtmann Valley, Switzerland. Compared to other studies, the calculated thicknesses and also the volumes and masses of the landforms appeared to be rather small. Calculated with a mass of 0.53 million tons and with different annual velocities, the annual transfer rate of the rockglacier HuHH3 ranges between 0.13 M t/a for the period 1975–1993 and a maximum value of 0.9 M t/a for the year 2003/2004. Accounting for the simplicity of thickness models and due to the limited knowledge on internal deformation, the amount of moving sediment can only be estimated and conclusions have to be drawn with care.
|Item Type:||Book Section, refereed, original work|
|Communities & Collections:||07 Faculty of Science > Institute of Geography|
|Dewey Decimal Classification:||910 Geography & travel|
|Date:||8 May 2010|
|Deposited On:||25 Mar 2009 15:47|
|Last Modified:||04 Apr 2012 12:30|
|Series Name:||Lecture Notes in Earth Science|
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