Team

Prof. Dr. Jan Cermak

Room NA 4/168
Phone +49 (0)234 32 – 28383
E-mail jan.cermak(at)rub(dot)de
Office hours: Mon, 3pm - 4pm

Research areas

Since 10/2011: Professor of Climatology at Ruhr-Universität Bochum
2008 - 2011: Post-doctoral researcher at ETH Zurich, Switzerland
8 - 10/2007: Visiting scientist, Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA
2006 - 2008: Lecturer at Philipps-Universität Marburg, Germany
2003 - 2006: PhD research, Laboratory for Climatology and Remote Sensing, Philipps-Universität Marburg, Germany
2002 - 2003: Postgraduate research at the University of Sheffield, UK
2001 - 2002: MA Environment and Development, King's College London (KCL) and School of Oriental and African Studies (SOAS), London, UK
1997 - 2001: Studies of Geography, Botany, Political Science and Soil Science, Philipps-Universität Marburg and Justus-Liebig-Universität Giessen, Germany

European Geosciences Union (EGU), member
American Geophysical Union (AGU), member
Royal Geographical Society (RGS-IBG), fellow
AK Klima (German climatology working group), member
Senate commission of the DFG (German research council) on joint research in the geosciences (Geokommission), permanent guest, and speaker of young scientist group (geonachwuchs.de), 2007 to 2011
EU COST action 722 (Very short-range forecasting of fog, visibility and low clouds), management committee and co-chair of working group 'Initial Data', 2003 to 2007
EU COST action EG-CLIMET (European Ground-Based Observations of Essential Variables for Climate and Operational Meteorology), member of working group 'Optimum observation strategies'
Session "Remote sensing of clouds and aerosols: Techniques and applications", EGU General Assemblies 2009 - 2012, convenor and co-convenor

de Leeuw G., Kokhanovsky A. A., Cermak J. (2012) Remote sensing of aerosols and clouds: Techniques and applications, Atmospheric Research, in press. doi:10.1016/j.atmosres.2012.04.017.
Cermak J. (2012) Low Clouds and Fog Along the South-Western African Coast - Satellite-Based Retrieval and Spatial Patterns, Atmospheric Research, in press. Pre-print PDF (1.1MB). doi:10.1016/j.atmosres.2011.02.012. Data available online at doi:10.1594/PANGAEA.755427.

Haensler A., Cermak J., Hagemann S., Jacob D. (2011) Will the southern African west coast fog be affected by future climate change? Erdkunde, 65, 261-275.
Cermak J., Bendix J. (2011) Detecting Ground Fog From Space - A Microphysics-Based Approach, International Journal of Remote Sensing, 32, 12, 3345-3371. Pre-print PDF (548KB). doi:10.1080/01431161003747505.
Schaller N., Mahlstein I., Cermak J., Knutti R. (2011) Analyzing precipitation projections: A comparison of different approaches to climate model evaluation. Journal of Geophysical Research, 116, D10118. doi:10.1029/2010JD014963.
Merk C., Cermak J., Bendix J. (2011) Retrieval of optical and microphysical cloud properties from Meteosat SEVIRI Data at night - A feasibility study based on radiative transfer calculations. Remote Sensing Letters, 2, 4, 357-366. doi:10.1080/01431161.2010.523023.

Mätzler C., Rosenkranz P., Cermak J. (2010) Microwave absorption of supercooled clouds and implications for the dielectric properties of water. Journal of Geophysical Research, 115, D23208. doi:10.1029/2010JD014283.
Cermak J., Wild M., Knutti R., Mishchenko M. I., Heidinger A. K. (2010) Consistency of global satellite-derived aerosol and cloud data sets with recent brightening observations. Geophysical Research Letters, 37, L21704. PDF (3.2MB). doi:10.1029/2010GL044632
Knutti R., Furrer R., Tebaldi C., Cermak J., Meehl G. A. (2010) Challenges in combining projections from multiple climate models, Journal of Climate, 23, 2739-2758. doi:10.1175/2009JCLI3361.1

Cermak J, Eastman R. M., Bendix J, Warren S. G. (2009) European climatology of fog and low stratus based on geostationary satellite observations. Quarterly Journal of the Royal Meteorological Society, 135, 645, 2125-2130. PDF (809KB). doi:10.1002/qj.503
Cermak J., Knutti R. (2009) Beijing Olympics as an Aerosol Field Experiment. Geophysical Research Letters, 36, L10806. PDF (224KB) doi:10.1029/2009GL038572
Bendix J., Trachte K., Cermak J., Rollenbeck R., Nauss T. (2009) Formation of convective clouds at the foothills of the tropical eastern Andes (South Ecuador). Journal of Applied Meteorology and Climatology, 48, 8, 1682-1695. doi:10.1175/2009JAMC2078.1

Cermak J., Bendix J., Dobbermann M. (2008) FMet - An Integrated Framework for Meteosat Data Processing for Operational Scientific Applications. Computers and Geosciences, 34, 11, 1638-1644. PDF (459KB). doi:10.1016/j.cageo.2007.12.006
Cermak J., Bendix J. (2008) A Novel Approach to Fog/Low Stratus Detection Using Meteosat 8 Data. Atmospheric Research, 87, 3-4, 279-292. PDF (1.3MB). doi:10.1016/j.atmosres.2007.11.009

Cermak J., Bendix J. (2007) Dynamical Nighttime Fog/Low Stratus Detection Based on Meteosat SEVIRI Data - A Feasibility Study. Pure and Applied Geophysics, 164, 1179-1192. PDF (520KB). doi:10.1007/s00024-007-0213-8
Gultepe I., Tardif R., Michaelides S. C., Cermak J., Bott A., Bendix J., Müller M. D., Pagowski M., Hansen B., Ellrod G., Jacobs W., Toth, G., Cober, S. G. (2007) Fog Research: A Review of Past Achievements and Future Perspectives. Pure and Applied Geophysics, 164, 1121-1159. doi:10.1007/s00024-007-0211-x
Miehe G., Miehe S., Schlütz F., Opgenoorth L., Cermak J., Samiya R., Jäger E. J., Wesche K. (2007) Mountain forest islands and Holocene environmental changes in Central Asia: A case study from the southern Gobi Altay, Mongolia. Palaeogeography, Palaeoclimatology, Palaeoecology, 250: 150–166. doi:10.1016/j.palaeo.2007.03.022

Cermak J., Schneebeli M., Nowak D., Vuilleumier L., Bendix J. (2006) Characterization of Low Clouds With Satellite and Ground-Based Remote Sensing Systems. Meteorologische Zeitschrift, 15, 65-72. PDF (924KB). doi:10.1127/0941-2948/2006/0100
Bendix J., Rollenbeck R., Göttlicher D., Cermak J. (2006) Cloud Occurrence and Cloud Properties in Ecuador. Climate Research, 30, 133-147. doi:10.3354/cr030133
Bendix J., Thies B., Nauss T., Cermak J. (2006) A Feasibility Study of Daytime Fog and Low Stratus Detection with TERRA/AQUA-MODIS Over Land. Meteorological Applications, 13 , 111-125. doi:10.1017/S1350482706002180

Bendix J., Thies B., Cermak J., Nauss T. (2005) Ground Fog Detection From Space Based on MODIS Daytime Data - A Feasibility Study. Weather and Forecasting, 20, 989-1005. doi:10.1175/WAF886.1
Nauss T., Cermak J., Kokhanovsky A. A., Reudenbach C., Bendix J. (2005) Satellite-Based Retrieval of Cloud Properties and Their Use in Rainfall Retrievals and Fog Detection. Photogrammetrie - Fernerkundung – Geoinformation, 3, 209-218.