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Portail > Offres > Offre UMR5001-BERBOE-015 - Chercheur en modélisation de l'écoulement des glaciers H/F

Postdoc in ice flow modelling M/W

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : vendredi 1 juillet 2022

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General information

Reference : UMR5001-BERBOE-015
Workplace : ST MARTIN D HERES
Date of publication : Tuesday, June 21, 2022
Type of Contract : FTC Scientist
Contract Period : 12 months
Expected date of employment : 1 September 2022
Proportion of work : Full time
Remuneration : between €2663,79 and €3069,06 (depending on experience)
Desired level of education : PhD
Experience required : 1 to 4 years

Missions

The candidate will conduct thermo-mechanical modelling using the Elmer/Ice finite element code (Gagliardini et al., 2013; Gilbert et al., 2014, 2015) with the aim of better constraining the conditions that can lead to the retention of water in glaciers. These simulations will couple the resolution of the equations governing the glacier flow (friction and deformation, full-Stokes model), the equation for the evolution of its geometry (conservation of mass), the equations describing its thermal regime, and a surface mass balance model. The location of potential water pockets will be based on the study of the temperature field within the glacier, and in particular the presence of cold ice downstream of temperate zones.

Activities

The study will have two parts:

- firstly, it will be necessary to carry out modelling on three-dimensional synthetic full-Stokes glaciers in an alpine climate for different orientations and altitude positions in order to identify the configurations that are favourable to the appearance of a Tête Rousse-type thermal regime.

- in a second phase, thermo-mechanical modelling will be carried out on the glaciers identified as being in a favourable configuration on the basis of the results obtained in the previous part.

Depending on the progress made on these first two points, it is envisaged to carry out three-dimensional full-Stokes thermo-mechanical modelling on a massif scale.

Skills

- Strong background in numerical modeling and/or glaciology.

-Experiences in ice flow modeling and/or with the Elmer finite element code will be highly appreciated to allow a fast start on the project.

Work Context

The Institute of Environmental Geosciences (IGE) is a public research laboratory under the supervision of CNRS, IRD, Grenoble Alpes University (UGA) and Grenoble-INP. It works on climate change and the anthropization of our planet in the polar, mountain and intertropical regions, which are particularly sensitive and have major societal stakes.
It brings together about 250 people, including 150 permanent members (researchers, teacher-researchers, engineers and technicians) and about 100 staff on fixed-term contracts (PhD students, researchers and IT). The laboratory also welcomes each year several tens of trainees and scientific visitors. The laboratory is located on two sites on the Grenoble university campus (Glaciology building and OSUG-B - Maison Climat Planète).
The IGE is one of the main laboratories of the Observatoire des Sciences de l'Univers de Grenoble (OSUG), a federative structure of the INSU.

The candidate will carry out his mission within the CryoDyn team of the IGE and will be placed under the responsibility of Olivier Gagliardini.

Constraints and risks

No risk associated.
The research will be carried out in either French or English, however it is expected that the non-French speaking candidate will strive to learn the basics of French in order to facilitate communication and integration into the laboratory.

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