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PhD : Monitoring and modeling physical weathering of Draix marls and its effect on erosion.

Employer
Global Academy Jobs
Location
France
Closing date
May 17, 2019

Job Details

PhD description

The objective of the project is to study the effect of rock physical weathering and its dynamics on erosion. The study will be based on Draix-Bleone critical zone observatory, which is located on a very erodible marly substrate. A variety of physical processes are responsible for the weathering of marl resulting in the formation of a layer of fragments, called regolith, which can later be mobilized for erosion. The first approach will consist in monitoring at a local scale the characteristic of the regolithe (thickness, grain-size distribution, porosity) and the possible controlling factors (soil temperature and moisture). These measurements will be used to create a 1D model of the seasonal dynamics of regolith. The second approach will be to spatialize and implement this description into a landscape evolution model (Landlab) to simulate the effect of regolith dynamics on catchment-scale erosion. This model will be calibrated based on sediment flux data from Draix observatory then used to test the effect of climatic hypotheses on erosion.

Requirements

Applicants must have a Masters degree or equivalent qualification when the contract is signed.

Company

Global Academy Jobs works with over 250 universities worldwide to promote academic mobility and international research collaboration. Global problems need international solutions. Our jobs board and emails reach the academics and researchers who can help.

"The globalisation of higher education continues apace, driving in turn the ongoing development of the global knowledge economy, striving for solutions to the world’s problems and educating a next generation of leaders and contributors."

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