Team
![Prof. Dr. Christian Beer](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/19614916/christian-beer-180x240-758ba6940f9dcf418c36fd7a6822170f14bafdfd.jpg)
Photo: Christian Beer
Heisenberg-Professor for Dynamics of Soil Processes
Allende-Platz 2
20146 Hamburg
Room: 301, AP2
Tel: +49 40 42838-2699
Office hours
Thursdays 10:00-11:00 a.m. in the office or via zoom. Please register by email by 16:00 on Wednesdays at christian.beer"AT"uni-hamburg.de.
![Eva-Maria Pfeiffer](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/1999832/eva-maria-pfeiffer300x400-328a335486c9b9b9db3d8e83ed8ccdb07142f99d.jpg)
Photo: Eva-Maria Pfeiffer
Professor (retired) for soil ecology and soil genesis
![Tanja Döbler](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/2242581/tanja-doebler-134x180px-8a6d61632032f30d0e77ba4ad7c0eb0fb279c927.jpg)
Photo: UHH, RRZ/MCC, Mentz
Office
Allende-Platz 2
20146 Hamburg
Room: 302a, AP 2
Tel: +49 40 42838-4041
Email: IfB"AT"uni-hamburg.de
Office hours
- Mo - Fr 9 - 12 Uhr
Key aspects of activity
- Office
![Christian Knoblauch](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/1497275/christian-knoblauch-2-75ca8de78686d1722526c7813d7e2face3d37f4c.jpg)
Photo: Christian Knoblauch
Key aspects of activity
- Aerobic and anaerobic C-turnover
- Methane and carbon dioxide cycle
- Vegetation-microorganisms interaction
- Stable isotopes (C, N, O, H/D)
![Dr. Claudia Fiencke](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/25886436/claudia-fiencke-180x240-f0346f9a02372d42067f7d41878ff85dcca8ba37.jpg)
Photo: Claudia Fiencke
![Xavier Rodriguez](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/23377170/xavier-rodriguez-180x240-9121354094f318c49fd60207685730bb04ad170a.jpg)
Photo: Xavier Rodriguez
Key aspects of activity
- Contribution to the development of the JSBACH model's soil processes modules
- Development and implementation of site-level models
- Simulation of soil-vegetation interactions using implicit and explicit methods
- Technical support to the working group of Prof. Christian Beer
![Christina Steffens](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/37722822/christina-steffens180x240-1ac3773c2c95a5616122c25b0ee516bee879e1a7.jpg)
Photo: Christina Steffens
Key aspects of activity
- Project management and outreach in the project MOMENT
- Carbon cycle in soils
- Plant-soil-interactions
- Field methods, such as chamber measurements, installation of root exclusion zones (root trenching), root ingrowth cores
![Dr. Minjung Kwon](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/27912632/minjung-kwon180x240-5ceec2dceb95d944ab0573fe1f3d9c186c50fbac.jpg)
Photo: Minjung Kwon
Key aspects of activity
- Contribution to the development of permafrost carbon decomposition model
- Quantifying the climate change effects (heatwaves, warming, drying) on CO2 and CH4 cycles in high latitudes and northern peatlands
![Melanie Kern](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/23441591/melanie-kern-180x240-cbeac0373e950f6e3203f084d7f03d97d3bd1964.jpg)
Photo: Melanie Kern
Scientist in DFG-project "Process-oriented cryoturbation modelling"
Allende-Platz 2
20146 Hamburg
Room: 115, AP2
Tel: +49 40 42838-2017
Key aspects of activity
- Process-oriented modelling
- Biogeophysical soil processes
- Soils in permafrost regions
- Cryoturbation
![Carolina Voigt](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/34980024/carolinavoigtklein-c78c94bca57f40ecf90f028ed2eb9fa083a1df67.jpg)
Photo: Carolina Voigt
Key aspects of activity
- greenhouse gas fluxes from permafrost-affected soils
- terrestrial biogeochemistry
- interactions between the carbon and nitrogen cycle in plant-soil systems in the Arctic
Research associate
Allende-Platz 2
20146 Hamburg
Room: 307, AP2
Tel: +49 40 42838-2482
Email: lin.yu"AT"uni-hamburg.de
![Joseph Tamale](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/37722656/joseph-tamale-180x240neu-074122e4b99436b0536ff221b32856bf3da498be.jpg)
Photo: Joseph Tamale
Key aspects of activity
- Carbon dynamics in the Arctic
- Stable isotopes (C & N)
- Soil greenhouse gas fluxes
- Intact plant-soil systems (mesocosm)
- Climate chamber experiments
![Lara Kaiser](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/23280537/lara-kaiser-180x240-aa7e37d04fdf246121f9fcdea683b8dbf7f66ec7.jpg)
Photo: Lara Kaiser
Doctoral candidate in project C-balance in permafrost
Allende-Platz 2
20146 Hamburg
Room: 115, AP2
Tel: +49 40 42838-2017
Key aspects of activity
- Master in Landscape Ecology, University of Hohenheim 2018, Master thesis on Plant interactions in South Africa
- Methane fluxes in permafrost affected soils
- Mechanistic Modelling
![Cosima Schröer](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/22148483/cosima-schroeer-180x240-e6f576b6333fcdf43ebaf6f994e0bee1b98f7485.jpg)
Photo: Cosima Schröer
Key aspects of activity
- M. Sc. in Physical Geography, University of Bremen, 2020; Master thesis on CO2 fluxes in a heating experiment in Alaskan tundra
- Carbon decomposition processes in permafrost-affected soils
- Soil-microbe-plant interactions
- Process-orientated modeling
![Marius Moser](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/37129453/marius-moser-ffda47f9008791b5cba5ec4e8d0323e81bce1b37.jpg)
Photo: Marius Moser
Key aspects of activity
- Modeling of methane processes in permafrost
Key aspects of activity
- Carbon dynamics and weathering processes
- Collaboration in the PyMiCCS project (https://cdrterra.de/en/consortia/pymiccs)
- Modeling the effects of biochar and rock flour on soil processes
Laboratory assistant
Allende-Platz 2
20146 Hamburg
Room: 203, 428, AP2
Email: sumita.rui"AT"uni-hamburg.de
Technical employee
Allende-Platz 2
20146 Hamburg
Room: 428, AP2
Tel: +49 40 42838-7270
Email: Ralf.Lendt"AT"uni-hamburg.de
![Leonardo de Aro Galera](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/23284852/leonardo-galera-180x240-ddda62b031613cec79e82ea9262890df5a01e43d.jpg)
Photo: Leonardo de Aro Galera
Key aspects of activity
- Research in project: The impact of permafrost thawing on net primary productivity and nutrients availability of the polygonal tundra in the Lena River Delta, Siberia
- C- and N-cycle in permafrost-affected soils
- Soil carbon stocks in tropical ecosystems
- Soil greenhouse gas emissions
- Stable isotopes analysis