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Portal > Offres > Offre UMR8539-ISARIC-027 - POST-DOC H/F - Structure verticale des systèmes nuageux à partir d'une synergie d'observations spatiales et techniques d'intelligence artificielle

POST-DOC H/F - vertical structure of cloud systems using a synergy of space borne observations and a

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Français - Anglais

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General information

Reference : UMR8539-ISARIC-027
Workplace : PARIS 05
Date of publication : Friday, November 22, 2019
Type of Contract : FTC Scientist
Contract Period : 12 months
Expected date of employment : 3 February 2020
Proportion of work : Full time
Remuneration : Selon expérience et grille CNRS
Desired level of education : 5-year university degree
Experience required : Indifferent


The Laboratoire de Météorologie Dynamique (LMD) offers a position for a scientist with PhD to determine the vertical structure (vertical extent and microphysical properties) as well as the heating rates of upper tropospheric cloud systems and their environment. The goal is to create a comprehensive description of tropical convective systems, needed to advance our understanding of their feedback to climate change, by combining multiple space observations, meteorological reanalysis and artificial intelligence techniques.


- building a 3D data set of tropical upper tropospheric cloud systems and their environment by combining different satellite data (AIRS, IASI, TRMM, CALIPSO-CloudSat) and meteorological reanalysis ERA5 and applying deep learning techniques
- assessment of the laterally extended heating rates with in situ data (ARM)
- analysis of this new climatological data base
- using these data for the evaluation of GCM parameterisations (LMDZ)


- artificial intelligence techniques (deep learning)
- programming in fortran and python
- analysis of big data sets (satellite data and meteorological analysis)
- atmospheric science
- radiative transfer

Work Context

LMD is one of the French leading institutes in atmospheric research and is part of the Institute Pierre Simon Laplace (IPSL). With 150 persons, LMD consists of five scientific research groups. The proposed work will be executed within the group ABC(t) (Atmosphere-Biosphere-Climate by remote sensing), in strong collaboration with the groups EMC3 (Climate and climate change analysis and modelling) and DPAO (Dynamics and physics of the atmosphere and ocean). This work is part of the national projects EECLAT (Expecting Earth-Care, Learning from A-Train) and IASI (Infrared Atmospheric Sounding Interferometer), financed by the French Space Agency CNES.
The cloud system analysis concept allows to create a link between the properties of the anvils and convection. This novel process diagnostic has already been successful in developing and evaluating a new bulk ice cloud scheme in the Global Circulation Model of LMD. The new data base will be also very useful in the framework of the international program GEWEX (Global Energy and Water Exchanges), within the working group UTCC PROES (PROcess Evaluation Study on Upper Tropospheric Clouds & Convection,, to study the feedback of convective cloud systems in the tropics.

Constraints and risks


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