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Application of refraction seismics in alpine permafrost studies : A review

Titelangaben

Draebing, Daniel:
Application of refraction seismics in alpine permafrost studies : A review.
In: Earth-Science Reviews. Bd. 155 (2016) . - S. 136-152.
ISSN 0012-8252
DOI: https://doi.org/10.1016/j.earscirev.2016.02.006

Angaben zu Projekten

Projekttitel:
Offizieller Projekttitel
Projekt-ID
Influences of snow cover on thermal and mechanical processes in steep permafrost rock walls
Ohne Angabe

Projektfinanzierung: Deutsche Forschungsgemeinschaft (KR 3912/1-1)

Abstract

Refraction seismics is a common geophysical application to investigate permafrost in alpine studies. This study reviews the physical basis of the use of refractions seismics and introduces the history of its application in alpine environments. Seismic properties are influenced by rock or soil properties and fluid or ice effects. In laboratory measurements, these influences are determined and linked to mechanical properties or used for calibration of field studies. In field conditions, supplementary environmental factors influence the seismic properties of landforms. In this paper, laboratory studies of rocks from different lithologies and with different properties as well as case studies on rock glaciers, moraines, talus slopes and debris-covered slopes are collected and influencing factors quantitatively analyzed. The data demonstrate how lithology, porosity and anisotropy influence p-wave velocity. Environmental factors result in a high variation of p-wave velocities in landforms, however, p-wave velocities enable the differentiation of active-layer and permafrost in rock glaciers and moraines. In talus slopes and debris-covered slopes, p-wave velocity contrasts between active-layer and permafrost layer might be insufficient and require the application of additional methods for a final differentiation.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: Refraction seismics; Seismic Refraction Tomography; Permafrost; Rock glacier; Moraines
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
Titel an der UBT entstanden: Nein
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 550 Geowissenschaften, Geologie
Eingestellt am: 08 Apr 2019 09:47
Letzte Änderung: 24 Aug 2023 06:46
URI: https://eref.uni-bayreuth.de/id/eprint/48598