October 2017
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[Met-jobs] 2-year post-doctoral position in aerosol modeling in the region of the Asian Monsoon Anticyclone at LPC2E/CNRS (Orleans, France) and LMD-ENS (Paris, France)

From Gwenael Berthet <>
Date Tue, 3 Oct 2017 14:49:24 +0200

2-year post-doctoral position in aerosol modeling in the region of the Asian Monsoon Anticyclone at LPC2E/CNRS (Orleans, France) and LMD-ENS (Paris, France)


Application deadline: 15 November 2017


As part of the VOLTAIRE Labex managed by the University of Orleans applications are invited for a 2-year post-doctoral research position to carry out climate-chemistry modelling studies of aerosols linked to the Asian Tropopause Aerosol Layer (ATAL) in the monsoon anticyclone.


The post holder will carry out 3-D simulations of the aerosol cycle in the Upper Troposphere/Lower Stratosphere over the Asian region using the WACCM (Whole Atmosphere Community Climate Model) model coupled with aerosol modules CARMA (Community Aerosol and Radiation Model for Atmospheres) and MAM7 (Modal Aerosol Model), through the CESM (Community Earth System Model) implementation.


Using uptodate coupled anthropogenic and natural emissions inventories, the study will focus on the formation of the ATAL, the main region sources contributing to the aerosol budget (especially from India and remote sources in Indonesia, Malaysia and China) using tagged emission or emission masking techniques, the main aerosols (sulfates, SOA, POA) characterizing its composition (e.g. pollution, biomass burning, sporadic volcanic eruptions), its large scale impact and its multiyear evolution. Such experiments will be conducted on case studies in relation with the summer 2017 aircraft campaign from the StratoClim European project, the recent and future balloon soundings of aerosols, and over multiyear records.


The direct impact of radiative forcing of the ATAL on the regional and global climate, as well as its indirect radiative forcing by the influence of formation processes and optical properties of cirrus clouds will be studied. The radiative heating rates in the TTL (Tropical Tropopause Layer) associated with the ATAL and their role in influencing vertical dynamics and TTL crossing will be also investigated.


Projections to investigate the future evolution of the ATAL will be also produced, using different future emissions scenarios.



Workplace is Laboratoire de Physique et Chimie de l’Environnement et de l’Espace (LPC2E/CNRS), Orleans, France. Regular visits to Laboratoire de Météorologie Dynamique (LMD-Ecole Normale Supérieure, Paris) co-supervising the hired post-doc are planned. The applicant will also interact with a team in Laboratoire d’Aérologie (Toulouse, France) who will provide results from mesoscale simulations with the Meso-NH model explicitly representing convective clouds.


The net monthly salary based on the French academic scale will depend upon experience, from about 2000 € to 3100 €. Holiday entitlement is 45 days plus public holidays. The post is full time, fixed term for 24 months preferably starting on January 2018 or as soon as practicable thereafter.





Desired skills and experience:

Interested candidates must have: 

·         PhD in a relevant field (e.g. atmospheric chemistry, microphysics, meteorology)

·         Programming experience (e.g. IDL, PYTHON, MATLAB, FORTRAN)

·         Ability to work independently while contributing to a team effort

·         Very good communication skills in English, both oral and written

·         Interest in atmospheric aerosol processes, in situ data and climate monitoring

Preference will be given to candidates with knowledge of global/regional circulation models, chemistry transport models and/or aerosol processes.


Applications consisting of a CV, list of publications, letter of motivation (1 page max), and contact details of two referees (or directly supporting letters) should be sent to:

Dr Gwenaël BERTHET, LPC2E/CNRS, Orléans:

Dr Fabrice JEGOU, LPC2E/CNRS, Orléans:

Dr Pasquale SELLITTO, LMD-ENS, Paris:


About the workplaces:

LPC2E has an internationally recognized expertise in the development of optical platforms and instruments dedicated to the characterization of the atmospheric composition from the ground to the high atmosphere. On a regular basis, these competences have resulted in collaborations with European scientists needing the use of the LPC2E observation platforms and instruments/data for aerosols and chemical species. LPC2E has long experience in the study of processes controlling the UTLS region in terms of chemical composition and aerosol content at all latitudes through in situ experiments but also using model development and 3-D simulations from local to global scales.


The central research topic of LMD is the Earth Climate, its dynamics and future evolution. For this purpose, LMD has developed the AGCM LMDz, which is today the atmospheric component of the IPSL ESM. In the near future (next 4 years), the tasks at LMD will be focused on the analysis of the climate evolution, the anthropogenic influence on the climate, and on the physics dynamics of the geophysical fluids and of the earth surface. The present application, by its large contribution to the modelling efforts at LMD as well as by its theoretical aspects entirely fits within the LMD's scientific topics. LMD enjoys a quite unique experience both in satellite remote sensing and atmospheric modelling, from process to climate scale.


Attachment: Post-doc_anouncement_Aerosol Monsoon Anticyclone-Modeling_VOLTAIRE.docx
Description: MS-Word 2007 document

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