Jobs:Job-00127
Apply before: 31 March 2020
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Posting:
Position: Post-Doctoral Position
Apply before: 31 March 2020
Apply online:
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Horizontal displacement. Most fault types, including reverse, strike-slip and low-dipping normal faults, are associated with greater horizontal than vertical displacement rates. Many field investigations or studies suggest that horizontal displacements have profound impact on landscape dynamics by promoting river lateral mobility, divide migration, drainage capture and catchment elongation or compression. Yet, very few modelling studies have investigated this issue nor how horizontal displacement can lead to specific morphological markers.
Role of earthquakes. Over seismic timescales, fault activity can generally be described by a stick-slip behaviour alternating between phases of elastic stress build-up and earthquakes. Cluster of landslides triggered by earthquakes represent a major source of hazards in mountaineous areas. Over a longer time scale, the role of large magnitude earthquakes or storms on the evolution of landscapes and on the formation of geomorphological markers remains an open question. Landslides contribute to rapid erosion after large earthquakes or storms, but they also deliver large volume of sediment that can hinder river erosion and lead to cascade of geomorphological processes. The objective of this postdoctoral position is to use and develop numerical models to investigate the role of both horizontal tectonics and co-seismic landslides on landscape dynamics and on the building of morphological markers.
