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Portal > Offres > Offre UMR7329-AGNFIE-001 - CCD chercheur H/F en modélisation numérique et géophysique planétaire

Researcher in Numerical modeling and planetary geophysics

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Français - Anglais

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General information

Reference : UMR7329-AGNFIE-001
Workplace : VALBONNE
Date of publication : Wednesday, January 15, 2020
Type of Contract : FTC Scientist
Contract Period : 18 months
Expected date of employment : 4 May 2020
Proportion of work : Full time
Remuneration : between 3700 and 3900 euros
Desired level of education : PhD
Experience required : 5 to 10 years

Missions

The proposed work here is to improve the planetary modeling of global deformation developed by the Geoazur tem for the case of the Moon and Mercury

Activities

The task to be fulfilled by the candidate will be
to adapt PGDM to the case of the Moon and Mercury. A similar work has been done for Venus (Saliby et al. 2019). From this first task, evaluated at 6 months, he will provide new estimations of elastic and viscoelastic Love numbers for the Moon and Mercury.
During the next 12 months, the candidate will work on implementing the asymmetry of the crustal thickness for the Moon and Mercury. This task is one of the major keys of the global project, called LDLR, as no one has evaluate the impact of such asymmetry for the Moon or Mercury. The outcome of this work will be new values for Love numbers including the Moon crustal asymmetry. These Love numbers used by the other partners of the project as inputs for the altimetry analysis and the libration modeling.

Skills

The position is open for a researcher with at least 2 years of experience but less than 7 years. For these tasks, a qualified researcher in geophysics or planetology having experience in developing codes for geophysics is required. A good knowledge in rheology, state equations but also in the solar system geophysics is also necessary for the success in 18 months. However, the application of a qualified researcher having experience in numerical modelling and more specifically in finite element will also be considered.

Work Context

The work will take place in Sophia-Antipolis at the Géoazur laboratory from Université Côte d'Azur, CNRS, Observatoire de la Côte d'Azur and IRD.
The researcher will work under the supervision of A. Fienga (Astronomer (professor), Observatoire de la côte d'Azur), head of the Astrogéo-GPM team and PI of the LDLR project.

Constraints and risks

non

Additional Information

Ce poste est ouvert dans le cadre d'un projet bi-latéral This position is open as a part of a 3 years project, LDLR, funded by the French ANR and the German DGF agencies.
The aim of the project is to understand the discrepancy between two estimations of the Love number h2 of the Moon obtained with two different observational methods: the Lunar Laser telemetry (LLR) on the Moon surface from the ground on lunar retro-reflectors and the space altimetry obtained with the mission LRO. From where come the observed differences? from systematic bias in the altimetric measurements? some mismodeling in the libration modeling constrained by LLR? unmodeled effects in the Moon computed deformation? The position proposed here will work at answering these questions in a frame of an international collaboration gathering specialists in altimetry (DLR/TU), in Moon libration (IMCCE) and in planetary deformation (Géoazur).

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