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Fig. 1: Coffee break discussions, NCAR Green Center
Copyright: Sebastian Knist

The 16th Annual WRF Users' Workshop
15-19 June 2015, Boulder, Colorado, USA

The WRF Users' Workshop annually takes place at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado. It brings together both a broad community of users and developers of the Weather Research and Forecasting (WRF) model. This year there were about 200 participants, from PhD Students to Senior Scientists coming from 30 countries, but mostly the USA. Since I'm using WRF for the regional climate simulations being part of my PhD thesis, this Workshop was a great opportunity to learn about new developments and best practices in the broad range of setups as well as to discuss my own model simulation results and research questions.

Jennifer Jefferson report1

Participating in field work at Kleinaltendorf.

3 May – 18 June 2015
Cologne, Germany

The goal of my visit to Germany was to learn more about vegetation measurements and how they relate to variables within land surface models.

Land surface models are commonly used to estimate evapotranspiration (ET) and its energy counterpart latent heat. In order to compute ET these models require several variables to describe vegetation characteristics and dynamics.

Currently, many of these model variables are set as constant values. As vegetation data becomes more readily available we need to think about how this information can be used within land surface models.


jennifer jefferson

Jennifer L. Jefferson,
TR32 Fellow 2015

We welcome Jennifer Jefferson as a TR32 Fellow from Hydrologic Science and Engineering PhD Program, Colorado School of Mines. She will stay in Cologne/Jülich from 4th May to 18th June 2015 and mainly collaborate with the project D2 in the collection of fluorescence data that will be used as a direct estimate of plant photosynthetic rates and thus can be included in mesoscale models to better constrain vegetation exchange.




The Danish national museum, conference venue of EvoStar 2015.

Tanja Zerenner has received the IRTG Summer School Grant 2015 to attend EvoStar 2015, the leading European event on Bio-Inspired Computation (8-10 April 2015) in Copenhagen, Denmark.

EvoStar is a yearly conference covering diverse topics from the area of Evolutionary Compuation. More precisely EvoStar is comprised of four smaller 'sub-'conferences, namely EuroGP, the European conference on Genetic Programming, EvoCOP, the European conference on evolutionary computation in Combinatorial OPtimisation, EvoMUSART, the international conference on evolutionary and biologically inspired MUsic, Sound, ART and design and EvoApplications, covering applications of evolutionary computation to problems from biology, economics, image analysis, games and many more. This year's EvoStar was held in the city of Copenhagen, the Danish capital. The Danish national museum served as this year's conference venue.

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Photo: Poster session
Copyright: Sabrina Esch

Sabrina Esch has received the IRTG Winter School Grant 2015 to attend the 3rd ESA Advanced Course on Radar Polarimetry (19.-23. Jan 2015) and the 7th International Workshop on Science and Application of SAR Polarimetry and Polarimetric Interferometry (POLinSAR 2015) and 1st BIOMASS Science Workshop (26. – 30. Jan 2015) in ESA ESRIN Frascati, Italy

I already visited the 5th ESA Advanced Course on Land Remote Sensing in Valencia, Spain in 2014, which was an excellent experience of learning all the basics and advanced concepts of SAR remote sensing. One of the lecturers there advised me to apply for the Advanced Course on Radar Polarimetry, as it is more specialized than the previous course. He also encouraged me to come with a poster to POLinSAR 2015. It was a great opportunity, because both the course and the workshop took place at ESA ESRIN in successive weeks. People attending the course were a mixture of PhD students, Postdocs and Master students coming from all over the world. Attending the course was helpful to meet people working in similar fields. I even met a Postdoc who did her PhD on a quite similar topic to mine several years ago and was able to have some great discussions for example about practical problems of data collection.

For further information, please contact:


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Nadine Heinrichs

IRTG Coordinator

University of Cologne
Institute for
Geophysics and Meteorology

D-50923 Cologne
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