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Application of refraction seismics in alpine permafrost studies : A review

Title data

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

Project information

Project title:
Project's official titleProject's id
Influences of snow cover on thermal and mechanic processes in steep permafrost rockwallsNo information

Project financing: Deutsche Forschungsgemeinschaft (KR 3912/1-1)

Abstract in another language

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.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Refraction seismics; Seismic Refraction Tomography; Permafrost; Rock glacier; Moraines
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Geomorphology
Result of work at the UBT: No
DDC Subjects: 500 Science > 550 Earth sciences, geology
Date Deposited: 08 Apr 2019 09:47
Last Modified: 08 Apr 2019 09:47
URI: https://eref.uni-bayreuth.de/id/eprint/48598