September 2011
Message 89

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[Met-jobs] Post-doctoral position on permafrost modelling at LGGE, Grenoble or LSCE, Saclay

From Gerhard Krinner <>
Date Fri, 30 Sep 2011 11:43:55 +0200

Post-doctoral position on permafrost modelling at LGGE, Grenoble or LSCE, Saclay

We are seeking for qualified candidates for a post-doctoral research contract of up to 36 months on permafrost modelling. Geographic location for carrying out the proposed work could be in Grenoble (LGGE) or near Paris (LSCE), and in any case in close collaboration between both institutes. The successful candidate will lead a continuous effort to improve and validate the representation of permafrost-related processes in the ORCHIDEE land surface model, and apply the model to evaluate the evolution of the permafrost carbon reservoirs during the 21st century in order to reassess climate stabilization scenarios.

The model currently contains a representation of several essential permafrost-related processes, but a number of additional processes need to be taken into account. Depending, among other, on the previous experience of the successful candidate, the model development work can focus on permafrost peatlands, subgrid hydrological variability, thermokarst dynamics, soil-snow-vegetation interactions or other processes relevant to the evolution of surface carbon and energy fluxes in permafrost regions up to the centennial time scale. The main scientific objective of this work is to produce better estimates of the amplitude and sign of permafrost feedbacks to global climate change during the 21st century, based on coupled climate model output from the CMIP5 intercomparison exercise used as forcing for the improved ORCHIDEE land surface model. The successful candidate is expected to take the lead authorship of several peer-reviewed scientific publications as the outcome of this work.

This work will be carried out within the FP7 PAGE21 project, which is currently in final contract preparation phase, and this job announcement does not preclude of the acceptance of the project. Frequent interactions with other modelling and observing groups taking part in this European project are foreseen.

Ideally this work will start in January 2012, but the timing can be shifted by a few months if necessary. Salary will depend on the previous experience and C.V. of the successful candidate, in agreement with legal and employer regulations.

Contact: Please send relevant information (C.V., list of publications etc.) and inquiries to Gerhard Krinner (; +33 4 76 82 42 44; and Philippe Ciais (

Some recent publications of this group:

Khvorostyanov, D., G. Krinner, P. Ciais, M. Heimann & S. Zimov (2008) Vulnerability of permafrost carbon to global warming. Part I: model description and role of heat generated by organic matter decomposition. Tellus Series B-Chemical and Physical Meteorology, 60, 250-264.

Khvorostyanov, D., P. Ciais, G. Krinner, S. Zimov, C. Corradi & G. Guggenberger (2008) Vulnerability of permafrost carbon to global warming. Part II: sensitivity of permafrost carbon stock to global warming. Tellus Series B-Chemical and Physical Meteorology, 60, 265-275.

Khvorostyanov, D., P. Ciais, G. Krinner & S. Zimov (2008) Vulnerability of east Siberia's frozen carbon stores to future warming. Geophysical Research Letters, 35, L10703.

Koven, C., P. Friedlingstein, P. Ciais, D. Khvorostyanov, G. Krinner & C. Tarnocai (2009) On the formation of high-latitude soil carbon stocks: Effects of cryoturbation and insulation by organic matter in a land surface model. Geophysical Research Letters, 36, L21501.

Koven, C. D., B. Ringeval, P. Friedlingstein, P. Ciais, P. Cadule, D. Khvorostyanov, G. Krinner & C. Tarnocai (2011) Permafrost carbon-climate feedbacks accelerate global warming. Proceedings of the National Academy of Sciences of the United States of America, 108, 14769-14774.

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