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Unmanned aerial vehicle-based mapping of turf-banked solifluction lobe movement and its relation to material, geomorphometric, thermal and vegetation properties

Titelangaben

Eichel, Jana ; Draebing, Daniel ; Kattenborn, Teja ; Senn, Johannes Antenor ; Klingbeil, Lasse ; Wieland, Markus ; Heinz, Erik:
Unmanned aerial vehicle-based mapping of turf-banked solifluction lobe movement and its relation to material, geomorphometric, thermal and vegetation properties.
In: Permafrost and Periglacial Processes. Bd. 31 (2020) Heft 1 . - S. 97-109.
ISSN 1099-1530
DOI: https://doi.org/10.1002/ppp.2036

Angaben zu Projekten

Projektfinanzierung: Deutsche Forschungsgemeinschaft
Gesellschaft für Erdkunde zu Berlin: Humbold-Ritter-Penck Stiftung
Gesellschaft für Erdkunde zu Köln e.V.: Dr. Hohmann award
Deutsche Forschungsgemeinschaft DI 414/22-1

Abstract

Solifluction is one of the most widespread periglacial processes with low annual movement rates in the range of —millimeters to centimeters. Traditional methods to assess solifluction movement usually have low spatial resolution, which hampers our understanding of spatial movement patterns and the factors controlling them. In this study, we (a) test the applicability of unmanned aerial vehicle (UAV)-based structure-from-motion photogrammetry in comparison to a traditional total station survey to map surface movement of a turf-banked solifluction lobe (TBL) in the Turtmann Valley (Switzerland). We then (b) relate the detected movement patterns to potential geomorphometric, material, thermal and vegetation controls, which we assessed using geomorphic and vegetation mapping, electrical resistivity surveys and temperature loggers. Our results show that (a) UAV-based mapping can detect solifluction movement with high spatial resolution (one point per m2, total > 900 points) and rates and patterns consistent with a total station survey, but requires careful measurement set-up and analysis; and (b) movement rates differ between lobe tread, riser and a ridge feature. Differences can be explained by heterogeneous material, geomorphometric, thermal and vegetation properties of the TBL, which promote different solifluction processes. Our study demonstrates the applicability of UAV-based mapping in solifluction research and improves our understanding of solifluction processes and landform development.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: biogeomorphology; electrical resistivity tomography; periglacial processes; photogrammetry; solifluction; UAV
Institutionen der Universität: Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Geomorphologie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Geomorphologie > Lehrstuhl Geomorphologie - Univ.-Prof. Dr. Oliver Sass
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 550 Geowissenschaften, Geologie
Eingestellt am: 24 Feb 2020 09:43
Letzte Änderung: 24 Feb 2020 09:43
URI: https://eref.uni-bayreuth.de/id/eprint/54386