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Contact
cecile.agosta@lsce.ipsl.fridHal:cecile-agosta
https://orcid.org/0000-0003-4091-1653Laboratoire des Sciences du Climat et de l'Environnement (LSCE)
GLACIO research team
Office:
LSCE, Orme des Merisiers 91191 Gif-sur-Yvette FRANCE
Building 703 Room 18A
Tel: +33 1 69 08 46 72
Research interests
Keywords: Antarctic climate ⦁ Polar processes ⦁ Atmospheric modelling ⦁ Surface mass balance ⦁ Projections ⦁ Reconstructions ⦁ Water stable isotopes
The large Antarctic ice sheet was formed by accumulation of snow over millions of years. This immense ice reservoir is strongly connected to the Earth climate through the atmospheric circulation and water cycle. My research aims to better understand and model the processes involved in this water cycle, with two main areas of application: (i) improving reconstructions based on the isotopic signal of annually resolved firn cores, and (ii) improving climate projections for the Antarctic ice sheet, in particular its contribution to sea level.
My research directions:
- Estimating the Antarctic surface mass balance with atmospheric modelling
- Understanding polar physics and improving polar processes in atmospheric models
- Analysing the imprint of local processes and large-scale moisture transport on Antarctic snow water isotopes
Tools
Atmospheric models:
- The global and regional atmospheric model equiped with water isotopes LMDZiso
- The regional atmospheric model MAR
Observations: use of vapour isotopes, weather stations and accumulation datasets
Ongoing projects
ERC Synergy AWACA (WP leader): Atmospheric WAter Cycle over Antarctica Past, Present & futurePEPR Climat, PC9 ISCLIM (WP leader): Polar Ice sheets in the climate system
ANR AIAI (WP leader): Artificial Intelligence to improve the coupling between the Antarctic Ice sheet and the ocean/atmosphere system
Past projects
EU-MSCA POLARISO (PI, 2019-2021): A new isotope-enabled climate model dedicated to polar studies, to reconstruct Antarctic climate variability and improve sea level rise projectionsANR KATABATIC (WP leader, 2019–2024): Temporal Variability of Antarctic Winds, climatology and driving mechanisms
Contribution to international projects
ISMIP The Ice sheetModel Intercomparison ProjectIMBIE The Ice sheet Mass Balance Intercomparison Exercise
PhD supervision
2027 Philippe Conesa (co-supervised with Sylvie Charbit, LSCE): Improving the snow representation in the IPSL climate model to better simulate the ice sheet mass balance2025 Niels Dutrievoz: Water vapour isotopes in Antarctica as tracers of boundary layer processes and large-scale dynamics
2024 Cécile Davrinche (co-supervised with Anaïs Orsi, UBC, Canada): Variability of near-surface winds in Antarctica ˸ present-day climatology and projections
Positions
Since Nov. 2021 CEA Research Director at LSCE, Paris-Saclay, France.2019-2021 Marie Skłodowska-Curie Research Fellow at LSCE, Paris-Saclay, France.
2018-2019 Research Fellow at LSCE, Paris-Saclay, France.
2012-2017 Research Fellow at the Laboratory of Climatology, U. Liège, Belgium. Funding from mobility programm and FNRS.
2008-2012 Doctoral Researcher at the Laboratoire de Glaciologie et Géophysique de l’Environnement (LGGE, now IGE), Grenoble, France.