Contact for applications: Applications should be sent as soon as possible and before 1 January 2017. They should include a CV, a statement of research interests and the names of at least two references including e-mail addresses and telephone numbers. Applications should be submitted by e-mail to R. Vautard (robert.vautard@lsce.ipsl.fr) and S. Joussaume (sylvie.joussaume@lsce.ipsl.fr).