New concepts in geophysical surveying and data interpretation for permafrost terrain

C Hauck - Permafrost and Periglacial Processes, 2013 - Wiley Online Library
This review focuses on advances in applications of geophysical methods to permafrost
terrain that have emerged in 2007–12. Improvements in the four main geophysical …

Experimental investigations on the effects of ambient freeze-thaw cycling on dynamic properties and rock pore structure deterioration of sandstone

J Li, RB Kaunda, K Zhou - Cold Regions Science and Technology, 2018 - Elsevier
The issue of rock pore structure deterioration and dynamical mechanical properties has
drawn much attention in recent years in the rock engineering community. In this study, a …

Why permafrost rocks become unstable: a rock–ice‐mechanical model in time and space

M Krautblatter, D Funk… - Earth Surface Processes …, 2013 - Wiley Online Library
In this paper, we develop a mechanical model that relates the destabilization of thawing
permafrost rock slopes to temperature‐related effects on both, rock‐and ice‐mechanics; and …

An NMR-based investigation of pore water freezing process in sandstone

H Jia, S Ding, Y Wang, F Zi, Q Sun, G Yang - Cold Regions Science and …, 2019 - Elsevier
Understanding the freezing pattern of pore water is the basis for revealing the mechanisms
of frost damage in porous rocks. We employed low-field nuclear magnetic resonance …

Ice loss and slope stability in high-mountain regions

P Deline, S Gruber, R Delaloye, L Fischer… - Snow and ice-related …, 2015 - Elsevier
The present time is one significant stage in the adjustment of mountain slopes to climate
change, and specifically atmospheric warming. This review examines the state of …

Quantitative imaging of water, ice and air in permafrost systems through petrophysical joint inversion of seismic refraction and electrical resistivity data

FM Wagner, C Mollaret, T Günther… - Geophysical Journal …, 2019 - academic.oup.com
Quantitative estimation of pore fractions filled with liquid water, ice and air is crucial for a
process-based understanding of permafrost and its hazard potential upon climate-induced …

[HTML][HTML] Estimation of the unfrozen water content of saturated sandstones by ultrasonic velocity

S Huang, F Liu, G Liu, S Yu - International Journal of Mining Science and …, 2023 - Elsevier
The unfrozen water content (UWC) of rocks at low temperature is an important index for
evaluating the stability of the rock engineering in cold regions and artificial freezing …

The efficacy of frost weathering processes in alpine rockwalls

D Draebing, M Krautblatter - Geophysical Research Letters, 2019 - Wiley Online Library
Weathering processes prepare and trigger rockfall, which is a key agent of alpine landscape
evolution and a hazardous process. The relative importance of different weathering …

Quantifying rock fatigue and decreasing compressive and tensile strength after repeated freeze‐thaw cycles

H Jia, W Xiang, M Krautblatter - Permafrost and Periglacial …, 2015 - Wiley Online Library
Frost action is believed to control rock slope erosion in cold environments and is a major
driver of rockfall generation. While other frost weathering by ice segregation has been …

A two‐phase mechanical model for rock‐ice avalanches

SP Pudasaini, M Krautblatter - Journal of Geophysical …, 2014 - Wiley Online Library
Rock‐ice avalanche events are among the most hazardous natural disasters in the last
century. In contrast to rock avalanches, the solid phase (ice) can transform to fluid during the …