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Portail > Offres > Offre UMR5275-FABCAR-050 - Post-doctorat sur les Méthodes géophysiques de surveillance et de caractérisation des risques naturels émergents dans un contexte de réchauffement climatique (permafrost, neige humide, ....) - Geo-Risk-Nat-Clim (H/F)

Post doc on geophysical methods for monitoring and characterizing emerging natural risks in a context of global warming (permafrost, wet snow, etc.) - Geo-Risk-Nat-Clim

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

Date Limite Candidature : vendredi 30 juillet 2021

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General information

Reference : UMR5275-FABCAR-050
Workplace : GRENOBLE
Date of publication : Friday, July 9, 2021
Type of Contract : FTC Scientist
Contract Period : 18 months
Expected date of employment : 1 December 2021
Proportion of work : Full time
Remuneration : Monthly gross salary from 2648€ according to experience.
Desired level of education : PhD
Experience required : 1 to 4 years

Missions

Under the dual authority of the LABCOM GEO3iLAB project managers in ISTerre and in Géolithe, the candidate will have to create digital tools capable of processing a set of geophysical signals, in particular seismic, and extracting changes in the dynamic parameters of the objects studied. This signal processing will be automated, and coded in PYTHON language, and integrated into a software suite that includes a graphical interface that is already operational. The candidate will be able to carry out research making it possible to associate different geophysical or geodetic observables, such as surface deformation data, electrical or electromagnetic parameters, environmental sensors (humidity, temperature, precipitation, radiation …) or photogrammetric data (optical, infrared).

Activities

Associated actions:
• Design and conduct of field experiments, observations, data analysis, signal processing and automation of processing software tools, for industrial applications;
• Contribute to the development and maintenance of software components, propose and carry out optimization and consolidation actions, develop test sets;
• Automate or have automated the processing chains and make them operational for the needs of the industrial partner, with error control rules.
• Write or have written procedures and operating methods, operating documentation and documentation intended for users, participate in working meetings with end users (company);
• Communicate the results of research internationally (publication, congress).

Skills

Main technical skills:
• Doctorate in physics or geophysics
• Perfect in written and spoken English
• Perfect mastery of scientific communication, proven by several international communications

Secondary skills:
• Experience in modeling and observing gravitational risks is a plus;
• Managing the Python language and its ecosystem, of matlab;
• Knowledge of software development tools and practices (git, continuous integration, docker, devops);
• Knowledge of Linux operating systems;
• A very good knowledge of mountain safety rules, and ease in rough terrain, is necessary for any field trips;
• Driving license is required for field trips.

Work Context

Professional environment:
The candidate will be attached to UMR 5275, ISTerre laboratory, in Grenoble, and will carry out part of his work in the premises of the company Géolithe, within the framework of the Joint Laboratory GEO3iLAB. She / he will work in close relation with the researchers of the LABCOM project (Failles team), and the R&D engineers of Géolithe. She / he may be required to travel for short missions (France and abroad), in particular for the instrumentation in the field, the promotion and the dissemination of results.
As part of a LabCom project (Joint Laboratory) "Geophysics, Geotechnics, Geomechanics Innovation Lab" with the Géolithe company, the team is developing innovative methodologies for the detection, monitoring and warning of natural risks in the mountains, especially landslides and boulder cliffs. In this context, the research team is developing signal analysis instruments and methods which are then deployed in the field to perform multi-parameter measurements. The measurements are sent back to the laboratory for analysis, generally at 24 hrs. To carry out this project, the team wishes to enlist the help of a post-doctoral fellow to develop and implement automated computer code prototypes that will analyze in near real time. continuous geophysical parameters, in particular vibration (resonance frequencies, rigidity) acquired on monitored objects (rock scale, landslide, permafrost, snow cover).

The objectives will be in particular:
1) Monitoring the mechanical evolution (loss of rigidity, loss of ice) of frozen soils (permafrost), applications to rock glaciers, glaciers and frozen cliffs, by using seismic background noise.
2) Characterization of the snowpack by passive seismic method: characterization of dry or wet snow via the propagation of background noise seismic waves.
3) Geophysical tools for characterizing snow moisture, electrical and radio-frequency (RFID) monitoring methods.

It is specified that this recruitment offer is part of the France Relance plan on a research collaboration project with a company which will be subject to validation by the DRARI.

Additional Information

The successful candidate will normally be offered a CDI in R&D in Géolithe at the end of the CDD.

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