|From||Sarah Henkel <email@example.com>|
|Date||Tue, 25 Nov 2014 11:44:26 +0100|
(1) Novel observations of clouds using dual-frequency radar (2) Scale-adaptive parameterization of convective boundary layer clouds(3) Exploitation of high resolution reanalysis for renewable energy applications
Topics 1 and 2 are closely related to the Jülich ObservatorY for Cloud Evolution (JOYCE) where various ground-based remote sensors are operated and combined with model simulations. The positions are related to the Energy Transition and Climate Change (ET-CC) initiative within the University of Cologne, which was re-cently awarded to IGMK, and in which meteorology is linked to renewable energy economics, and the Hans-Ertel Centre for Weather Research (HErZ)- Retrospective Analysis of Regional Climate.
The positions (75% TV‐L E13) are awarded for at least 3 years. We offer a productive and interdisciplinary working atmosphere including comprehensive supervision and integration into the Graduate School of Geosci-ences (GSGS; http://www.geosciences.uni-koeln.de/). Details on the individual projects are given below.
RequirementsWe expect strong interest in atmospheric science with specialization in cloud modeling and observations, re-mote sensing, or statistical modeling, depending on the topic. Applicants should have a Master-of-Science-equivalent university degree in meteorology, geophysics, physics or mathematics. Experience in scientific pro-gramming, preferably in a UNIX/LINUX environment, and knowledge in computational modelling is highly desir-able.
ApplicationsInterested candidates should send until December 30, 2014 a scientific CV; a cover letter describing background, training and research interests; certificates; and other usual documents as a single PDF to gsgs-jobs@uni‐koeln.de. Please clearly indicate which position(s) you apply for. Review of applications will begin immediately and continue until the positions have been filled.
The University of Cologne is an equal opportunity employer in compliance with the German disability laws. Women and persons with disabilities with equal capability, suitability and professional experience are favored and strongly encouraged to apply.
SelectionThe 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, handi-capped candidates will be given preference.
Detailed project descriptions (1) Novel observations of clouds using dual-frequency radarCloud radar provides important information on the vertical structure of clouds but its information on microphysi-cal parameters is limited. This deficit can be overcome by multi-frequency radar, which provides additional in-formation due to differential attenuation and differential reflectivity. The successful candidate will setup a new 95 GHz radar system at the Jülich ObservatorY for Cloud Evolution (JOYCE), investigate the calibration of the sys-tem, implement quality control and analyse the measurements jointly with the data of the existing 35 GHz cloud radar and microwave radiometer. Tasks might also include the adaption of scanning routines and the investiga-tion of improvements in the determination of cloud liquid water profiles. For more information contact PD Dr. U. Löhnert (loehnert(at)meteo.uni-koeln.de).
(2) Scale-adaptive parameterization of convective boundary layer cloudsThe successful candidate will explore novel ways of parameterizing statistics of low level cumuliform cloud fields that are important for the prediction and optimization of renewable energy resources such as solar energy and wind power. A hierarchy of models is employed that includes fine-scale large-eddy simulation models, single-column models and general circulation models. Model results are combined with cloud measurements at the Jülich ObservatorY for Cloud Evolution (JOYCE) that is operated by the IGMK. For more information contact Prof. Dr. Roel A. J. Neggers (neggers(at)meteo.uni-koeln.de).
(3) Exploitation of high resolution reanalysis for renewable energy applications Within the Hans Ertel Centre for Weather Research, state-of-the-art regional reanalysis data sets for Germany and Central Europe have been constructed. This reanalysis provides a quality-controlled and homogenised data set that can serve as a basis to investigate the potential for renewable energy production and its variability. The successful candidate shall establish a post-processing of the reanalysis suitable for studying various issues re-lated to renewable energy generation. Topics range from the ideal locations for solar and wind energy produc-tion to economic aspects in short-term markets for electricity. Furthermore, long-term changes in the energy production and the risk for compound events on the energy sector, i.e. the simultaneous reduction of solar, wind and water energy generation, shall be evaluated. The work will be carried out in collaboration with the Energy Economics group at the University of Cologne. For more information contact Prof. Dr. S. Crewell (crewell(at)meteo.uni-koeln.de).
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