Seismological observations for the understanding of the physico-chemical processes controlling the dynamics of the Solid Earth M/F

23 Feb 2024
Job Information

Organisation/Company

CNRS

Department

Direction des ressources humaines

Research Field

Geosciences
Astronomy
Environmental science

Researcher Profile

First Stage Researcher (R1)

Country

France

Application Deadline

20 Mar 2024 - 23:59 (UTC)

Type of Contract

Other

Job Status

Full-time

Hours Per Week

35

Offer Starting Date

23 Feb 2024

Is the job funded through the EU Research Framework Programme?

Not funded by an EU programme

Is the Job related to staff position within a Research Infrastructure?

No

Offer Description

Understanding the physical processes affecting the solid Earth and its interactions with the external envelopes requires the acquisition and exploitation (including modelling) of long-term observations of the Earth system. The recruitment of researchers who study the physico-chemical processes controlling the Earth's dynamics from observational data on the universe and the planet is a major challenge for the CNRS, and in particular for the Institut des Sciences de l'Univers (INSU), which leads this task of continuous observation of the planet in the framework of national observational actions involving networks of instruments deployed by the Observatoires des Sciences de l'Univers (OSU).
The physico-chemical processes that affect the Solid Earth, in particular its most superficial envelopes: the lithosphere and asthenosphere, control the heat exchanges and chemical fluxes between the Earth's interior and the external envelopes, shaping the Earth's surface. These processes are responsible for telluric hazards (earthquake and volcanism) and control the formation of georesources. These envelopes represent the outer boundary layer of the mantle convection system and are characterised by very high thermal and chemical heterogeneity. A better understanding of the processes that affect them is necessary to understand the dynamics of the Earth, the formation and evolution of the biosphere and the conditions of habitability of our planet, and to evaluate the telluric hazards and natural resources.
The SeisObs Chair aims to develop approaches to acquire and, above all, to exploit and model observational data on the structure and processes in the Solid Earth through multi-scale or multi-method seismological networks. Labelled via the National Observation Services (SNO) in the Solid Earth and structured within the Epos-France Research Infrastructure, seismological observations, in combination with other types of data (GNSS, etc.), are essential to our knowledge of the Earth. The CNRS-INSU is committed to perpetuating French excellence in geophysics by investing in instrumental resources and data distribution within Epos-France. This chair will reinforce this investment in terms of human resources. The challenge is to recruit a researcher/observer who is a driving force in the development of new approaches for the acquisition and exploitation of seismological data, in particular by valorising those coming from the national observation services and national instrument parks of the INSU Solid Earth Domain, which are all associated with the Epos-France Research Infrastructure. The objective is to take advantage of the national and European structuring of Epos-France to develop new methodological approaches and to use them to respond to major scientific and societal issues. Ultimately, the candidate will be expected to take on responsibilities within this research infrastructure.

The successful candidate will carry out research based on the exploitation and modelling of data from the National Observation Services supported by the Epos-France Research Infrastructure organised as a consortium of academic institutions and organisms and supported by the network of Observatories of the Sciences of the Universe (OSU). The possible hosted OSUs are : OSUG, EOST, OCA, IPGP. The possible hosted laboratories are : ITES, ISTerre, GeoAzur, IPGP

-This chair is dedicated to the understanding of the dynamics of the Solid Earth through the development of innovative methods of acquisition, analysis and modelling of seismological data. The objective is to better image the structures and thus constrain the physico-chemical processes controlling the dynamics of the solid Earth, in particular the crust and upper mantle and their coupling with the deep mantle and outer shells. Many scientific questions essential to our understanding of the Earth system can be addressed: Does the continental lithosphere retain a memory of the successive stages of its formation? Does this memory affect its dynamics? Is the lithosphere-asthenosphere boundary a purely thermal boundary or is it partly compositional, involving local partial melting? Why on Earth does mantle convection produce plate tectonics?
One way, not the only one, to reach this objective would be to complete the data from the permanent observation networks of SNO by temporary experiments in metropolitan France, overseas and in Europe using terrestrial and/or maritime instrumentation networks. The objective is to achieve suitable spatial and temporal resolutions to image the physical properties of the structures, in order to reveal the dynamics (thermo-mechanical states, role of internal and external fluids and forcing, etc.) at the relevant spatio-temporal scales. Thus, the candidate should have demonstrated his/her ability to develop innovative methods of acquisition, analysis and modelling of large volumes of multi-scale data to answer major questions on the dynamics of the Solid Earth. The ability to build and set up instrumental projects involving several partners at national and European level, as well as the ability to federate in these projects specialists from various Earth Sciences disciplines and/or other disciplines such as mechanics, mathematics, and new data science methods, such as artificial intelligence, will also be valued.

The teaching service within the university will be carried out in the form of an 'observation support mission' at the interface between the national observation services, the national parks of solid earth instruments and the national seismological data centre Epos-France. This mission will aim to establish a policy to address the challenges of integrating, archiving and distributing very large volumes of data from new seismic acquisition technologies. A major issue is the systematic FAIRisation of observational data, which is associated with a high level of data quality requirements and services in close interaction with the OSU acquiring these data. This will include adapting procedures to archive and make large volumes of data available to the scientific community in an efficient manner, while improving the quality control of these data.

The CNRS is developing a strong policy in favor of open science. Open science consists of making research results "as accessible as possible and closed as necessary". As such, the CNRS aims to make 100% of the texts of publications resulting from the work of its laboratories accessible , in particular through deposit in HAL. The data produced must also be made available and reusable, except for specific restrictions. In addition, the guiding principles of individual evaluation have been revised in accordance with the DORA declaration, to be more qualitative and to take into account all facets of the researcher's profession.

The dissemination of the results will be done through world-class scientific productions: publications, patents, software... In addition, the results will be communicated to various targets such as scientific communities, media, decision makers, general public, schools, etc., with an adapted calendar. Specific tools may be developed such as websites, newsletters, meetings, international symposia, summer schools and conferences.

The relationship between science and society is now recognized as a full dimension of scientific activity. The project will develop this dimension in synergy with all the partners. The resulting research work will contribute to informing public decision-making. Participatory science initiatives may be initiated with actors from the project's socio-economic and cultural eco-system.

Requirements

Research Field

Geosciences

Education Level

PhD or equivalent

Research Field

Astronomy

Education Level

PhD or equivalent

Research Field

Environmental science

Education Level

PhD or equivalent

Languages

FRENCH

Level

Basic

Research Field

Geosciences

Years of Research Experience

None

Research Field

Astronomy

Years of Research Experience

None

Research Field

Environmental science

Years of Research Experience

None

Additional Information
Eligibility criteria

holders of a doctorate or a PhD or equivalent degree or applicants who have gained scientific. There is no restriction on the age or nationality of applicants. All CNRS positions are accessible to people with disabilities, with special arrangements for tests made necessary by the nature of the disability.

Website for additional job details

https://emploi.cnrs.fr/Offres/CPJ/CPJ-2024-038/Default.aspx

Work Location(s)

Number of offers available

1

Company/Institute

Direction des ressources humaines

Country

France

Geofield

Where to apply

Website

https://emploi.cnrs.fr/Candidat/Offre/CPJ-2024-038/Candidater.aspx

STATUS: EXPIRED