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A Sediment Budget of the Upper Kaunertal

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Hilger, Ludwig ; Dusik, Jana ; Heckmann, Tobias ; Haas, Florian ; Glira, Philipp ; Pfeifer, Norbert ; Vehling, Lucas ; Rohn, Joachim ; Morche, David ; Baewert, Henning ; Stocker-Waldhuber, Martin ; Kuhn, Michael ; Becht, Michael:
A Sediment Budget of the Upper Kaunertal.
In: Heckmann, Tobias ; Morche, David (Hrsg.): Geomorphology of Proglacial Systems - Landform and Sediment Dynamics in Recently Deglaciated Alpine Landscapes. - Basel u.a. : Springer Nature Switzerland, 2019. - S. 289-312. - (Geography of the Physical Environment)
ISBN 978-3-319-94182-0

Kurzfassung/Abstract

This chapter presents the sediment budget of the Upper Kaunertal (Ötztal Alps, Austria) for the years 2012–2014 as obtained in the framework of the PROSA (high-resolution measurements of morphodynamics in rapidly changing PROglacial Systems of the Alps) research project. An important methodological basis of this high-mountain sediment budget is the usage of study area-wide LiDAR data (TLS and ALS) of comparatively high temporal and spatial resolution to measure rates of erosion and deposition, and to regionalize/upscale rates at the local scale. After several billion measurement points and data from fieldwork, mapping, and modeling efforts had been processed and evaluated, it was possible to identify and quantify sediment transfer by all relevant processes at the scale of the 62 km2 study area. These processes include rockfall of three different magnitude classes, debris flows, avalanches, creep on talus, fluvial processes (hillslopes and main fluvial system), rock glaciers, and glaciers. After a short presentation of the process-specific methods to obtain catchment-wide rates, we discuss process-specific results and the budget. The sediment budget does not only show the relative importance of the mentioned processes and spatial subunits (proglacial vs. non-proglacial) in the Upper Kaunertal. It also gives insight into the importance of high-magnitude events and the configuration of the sediment transport system.

Weitere Angaben

Publikationsform:Aufsatz in einem Buch
Institutionen der Universität:Mathematisch-Geographische Fakultät > Geographie > Lehrstuhl für Physische Geographie
Open Access: Freie Zugänglichkeit des Volltexts?:Nein
Begutachteter Aufsatz:Ja
Titel an der KU entstanden:Ja
Eingestellt am:09. Okt 2018 11:39
Letzte Änderung:09. Okt 2018 11:39
URL zu dieser Anzeige:http://edoc.ku-eichstaett.de/21981/