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Reference : UMR7159-MYRKHO-006
Workplace : PARIS 05
Date of publication : Wednesday, November 20, 2019
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 January 2020
Proportion of work : Full time
Remuneration : Gross monthly salary: between 2617€ and 3 815€ (commensurate with experience - includes social insurances)
Desired level of education : PhD
Experience required : Indifferent
Development and evaluation of a system of proxy data assimilation for paleoclimate reconstruction for the last 2000 years
Data assimilation systems are powerful approaches to understand the mechanism of climate variability in the past, contextualize recent climate change and improve near-term decadal prediction systems. Paleoclimate data assimilation methods (e.g., particle filter and ensemble kalman filter) constitute a promising approach to improve our understanding of natural climate variability recorded in proxies (e.g., tree rings, ice cores, speleothemes) that may result from external forcing, but also from internal interactions between the components of the climate system.
Based on the complementary scientific expertise of the project partners, the Synergia CALDERA project aims at developing paleoclimate data assimilation with the IPSL climate model to optimally estimate past climate states that are both consistent with the climate signal recorded in proxies, the physical laws and dynamic mechanisms of climate systems represented by climate models.
The successful candidate will develop a proxy-data assimilation systems for the last 2000 years with the fast running coupled ocean-atmosphere model developed at IPSL and analyse the simulations, in collaboration with the other scientists on the project. The technical aspects will be supervised and implemented by a computer scientist specifically dedicated to this project. The post-doctoral scientist will provide innovative scientific methods related to assimilating proxy records in the model, and determine the processes at the origin of the model-based climate variability reconstructed for the common era.
- To have a PhD in climatology, Earth science or related field (physics, informatics) ;
- To have published in peer-reviewed international journals;
- To have strong experience in programming and in managing large data sets;
- To have demonstrated verbal and written communication skills in English;
- To have interest in working in a multidisciplinary team environment.
The LOCEAN laboratory (https://locean-ipsl.upmc.fr) is one of nine laboratories in Ile-de-France in environmental and climate sciences at the Institut Pierre-Simon Laplace (IPSL) (https://www.ipsl.fr). The activity of the LOCEAN host team (VARCLIM) focuses on the study of physical processes that control the dynamics and variability of the ocean and climate on a wide range of time and space scales for a better understanding of the climate system and its present, past and future evolution. The close synergy between LOCEAN's scientific teams and other IPSL laboratories within the IPSL Climate Modelling Centre (https://cmc.ipsl.fr) allows research and development of a climate model based on the integration of several components for the atmosphere, ocean, sea ice and continental surfaces. It regularly participates in international exercises such as the Climate Model Intercomparison Project (CMIP), on which the work of the Intergovernmental Panel on Climate Change (IPCC) is based. The modelling activity is based both on GENCI's major national computing centres and on a dedicated IT infrastructure located at IPSL.
The Post-doc will join a very dynamic scientific team at LOCEAN and will work closely with about ten engineers and researchers who are at the heart of the development of the IPSL climate model. The position is based on the Pierre et Marie Curie campus of Sorbonne University in Paris.
Full time position for 24 months – can be extended up to 48 months
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