Controls on spatial and temporal patterns of slope deformation in an Alpine valley

N. Oestreicher (1) , S. Loew (1) , C. Roques (2, 1) , J. Aaron (1) , A. Gualandi (3) , Laurent Longuevergne (4) , P. Limpach (5) , M. Hugentobler (1)

1 D-ERDW - Department of Earth Sciences [Swiss Federal Institute of Technology - ETH Zürich]
2 UNINE - Université de Neuchâtel
3 INGV - Istituto Nazionale di Geofisica e Vulcanologia - Sezione di Roma
4 GR - Géosciences Rennes
5 D-BAUG - Department of Civil, Environmental and Geomatic Engineering [ETH Zürich]

• Seasonal pore pressure variations in fractured crystalline hillslope induce correlated reversible surface deformations • Decameter-scale brittle-ductile faults control local spatial variations of deformation patterns • Cyclic groundwater pressure-related rock mass fatigue induces irreversible gravitationallydriven displacements in valley slopes *

Domains: Sciences of the Universe [physics]; Earth Sciences

N. Oestreicher, S. Loew, C. Roques, J. Aaron, A. Gualandi, et al.. Controls on spatial and temporal patterns of slope deformation in an Alpine valley. Journal of Geophysical Research: Earth Surface, 2021, 126 (12), pp.e2021JF006353. ⟨10.1029/2021jf006353⟩. ⟨insu-03438936v2⟩