March 2016
Message 49

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[Met-jobs] Post-doctoral position at the University of Cologne - Cloud scheme development for ICON

From Roel Neggers <>
Date Tue, 15 Mar 2016 08:56:03 +0100

The Institute for Geophysics and Meteorology, University of Cologne (IGMK), Germany, invites applications for a

     *Post-doctoral position*

on "Assumed PDF cloud schemes for the global climate model ICON and their interaction with radiation". The position is related to the High Definition of Clouds and Precipitation for Climate Prediction HD(CP)2 project ( ) that will start its second phase in Spring 2016. In this phase the tools developed during phase I, including a high-resolution version of the ICON model and a comprehensive observational data base, will be exploited to address scientific questions related to clouds in a changing climate. The position (100% TV‐L E13) is awarded for 30 months. We offer a productive and interdisciplinary working atmosphere including several possibilities for career development.


We expect strong interest in atmospheric science with specialization in parameterization development and cloud modelling. Applicants should have a Master-of-Science-equivalent university degree in meteorology, geophysics, physics or mathematics and preferably hold a PhD degree. Experience in scientific programming, preferably in a UNIX/LINUX environment, and knowledge in computational modelling is highly desirable. Candidates must possess excellent communication skills both in written and spoken English.

Detailed project description

Low-level boundary layer clouds and their connected processes remain unresolved in most present-day global climate models, and are a major source of future climate uncertainty. In particular cloud inhomogeneity, within single clouds and whole cloud fields, is often poorly represented. New cloud schemes based on probability density functions (PDF) provide opportunities to achieve a better description of the associated subgrid-scale variability. Another advantage of PDF-based cloud schemes is that they could facilitate parameterization integration – e.g. between cloud physics, dynamics and radiation. The successful candidate will work on PDF-based cloud schemes in the framework of the newly developed ICON model. A model hierarchy, including single-column modeling and large-eddy simulation, will be used for the evaluation of existing schemes and the development of new ideas. Building on these results a new or extended scheme will be developed and implemented in the global ICON model. During the whole process the focus will be on the interaction between the cloud scheme and the radiation parameterization, working towards a better representation of cloud inhomogeneity in general. For more information contact Dr. Vera Schemann: schemann[at] or Prof. Dr. Roel A. J. Neggers: neggers[at]


Interested candidates should send a CV; a cover letter describing background, training and research interests; certificates; and the contact information of two referees as a single PDF to meteo-jobs[at]uni‐ Review of applications will begin immediately and continue until the positions have been filled. The deadline for applications is 8 April 2016.

The selection for the positions will be based solely on merit without regard to gender, religion, national origin, political affiliation, marital or family status or other differences. Among equally qualified candidates, handicapped candidates will be given preference.

Institute for Geophysics and Meteorology, University of Cologne
Albertus-Magnus-Platz, 50923 Köln, Germany

Prof. Dr. Roel A. J. Neggers
Institute for Geophysics and Meteorology
University of Cologne
Pohligstr. 3
50969 Cologne
Tel      : +49 221 470 1614
Email    :
Internet :

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