Education
1974 – 1980
University of Cologne, Germany
Department of Meteorology, Diplom-Meteorologe.
1984
University of Cologne, Germany
Department of Meteorology, Dr. rer. nat. (PH. D.)
Professional Employment
2008 - 2009
Senior Scientific Coordinator, MILIEU Project, Freie Universität Berlin, Berlin, Germany
2006 - 2008
Executive Officer, Global Water System Project, Joint Project of the Earth System Science Partnership; employed by United Nations University, Kyoto, Japan; GWSP International Project Office, c/o Centre for Development Research, Universität Bonn, Bonn, Germany.
2004 - 2005
Program Director, Climate and Large-scale Dynamics Program, Division of Atmospheric Sciences, National Science Foundation (NSF), Arlington, VA, USA.
2003 - 2004
Program Director, Large-scale Dynamic Meteorology Program, Division of Atmospheric Sciences, National Science Foundation (NSF), Arlington, VA, USA.
Research and Academic Experience
At NSF: numerical modelling research on the water cycle in the Amazon region as part of NSF’s Individual Research and Development Plan for program directors in collaboration with Dr. E. Roeckner at MPI Hamburg.
At LBL: research on the hydrological cycle on timescales from days to decades and under changed climate conditions. Climate and infiltration processes in the Yucca mountain region. Paleo-climate studies.
At COLA: research on the interaction of vegetation and climate.
At MPI: development and application of global climate models; parameterisation of convection, planetary boundary layer and land surface processes with an emphasis on the regional effects of vegetation and hydrology; studies of the climate of the Amazon region, the hydrological cycle in the Arctic and the predictability of the Asian monsoon system; Mediterranean deforestation; hydrological modelling of large catchments; analysis of regional models and validation of regional datasets; modelling of extreme events in the Odra River catchment.
At the University of Hamburg: research in climate modelling, in particular related to parameterization of land-surface processes; lectures and supervisor of students during Diploma and Ph. D. courses.
At ECMWF: research on boundary layer processes, development and maintenance of software related to the operational medium-range weather forecasting system.
At the University of Cologne: research in tropical meteorology, especially the parameterization of cumulus clouds.
Languages
Fluent in German, English, French.
Professional Memberships
Deutsche Meteorologische Gesellschaft
American Meteorological Society
European Geophysical Union
Research Grants
EEC (European Community) Contract EPOCH-CT90.0016, Spatial Variability of Land Surface Processes (SLAPS) I, Meteorologisches Institut der Universität Hamburg, 1989 - 1990.
EEC Contract PL890016 EPOCH-RTD, Spatial Variability of Land Surface Processes (SLAPS) II, Meteorologisches Institut der Universität Hamburg, 1/1991 - 12/1992.
EEC Contract EV5V-CT92-0125, Physical Parameterisations and Climate Response, MPI, 1/1993 - 6/1995.
Bundesministerium für Forschung und Technologie (BMFT) Parameterisierung, Erweiterung und Verifizierung der hydrologischen Modellkomponente für Landflächen des ECHAM-Modells Teil I (Extension of the ECHAM model hydrology. Part I), MPI, 1/1994-12/1996.
Bundesministerium für Forschung und Technologie (BMFT) Parameterisierung, Erweiterung und Verifizierung der hydrologischen Modellkomponente für Landflächen des ECHAM-Modells Teil II (Extension and evaluation of the ECHAM model hydrology. Part II), Ruhr-Universität Bochum, 1/1994-12/1997.
EEC Contract ENV4-CT95-0112, Land Surface Processes and Climate Response, MPI, 7/1996 - 10/1998.
Internationales Büro des BMBF (Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie, Bonn, Germany), Kooperationsprojekt mit BPPT Jakarta, Wissenschaftlich-technologische Zusammenarbeit zwischen der Bundesrepublik Deutschland und der Republik Indonesien (two visiting scientists), Rainfall patterns in Indonesia and their relationship with ENSO events, 1998 – 1999.
EEC Contract EVK2-1999-00187, Predictability and Variability of Monsoons, and the Agricultural and Hydrological Impacts of Climate Change, MPI, 2000 – 2001.
Supervisor of Graduate and Ph. D. Students
Diplomarbeit Sabine Schroeder, Universität Hamburg, 1989, Einfluß einer eisfreien Arktis auf die allgemeine Zirkulation im Winter. (Influence of an ice-free Arctic ocean on the general circulation in winter.).
Diplomarbeit Edelgard Kall, Universität Hamburg, 1992, Sensitivitätsexperimente mit einem eindimensionalen Biosphären-Atmosphären-Modell. (Sensitivity experiments with a one-column biosphere-atmosphere model.)
Member Ph. D. Committee, Jan Polcher, LMD, Paris, France, 1993.
Ph. D. student Martin Wild, ETH Zürich, Switzerland, 1994.
Member Ph. D. Committee, Herve Douville, CNRM, Toulouse, France, 1995.
Ph. D. student Beate Müller, Ruhr-Universität Bochum, 1995.
Diplomarbeit Hans Stefan Bauer, Universität Hamburg, 1996, The tropical easterly jet in the ECHAM models of MPI.
Ph. D. student Stefan Hagemann, Universität Hamburg, 1994 - 1997, Development of a parameterization of the lateral water flow contributing to river discharge at the global scale.
Diplomarbeit Stefan Liess, Universität Hamburg, 1997, Impact of deforestation on the climate in the Mediterranean region.
Ph. D. student Jan-Peter Schulz, Universität Hamburg, 1993 - 1998, On the role of the land surface representation and the numerical coupling to the atmosphere for the simulated climate of the global ECHAM4 model.
Member Ph. D. Committee, Sajani Surendran, Bangalore University, India, 1999, Simulation of monsoon precipitation and its variation by atmospheric general circulation models.
Ph. D. student Edvin Aldrian, Universität Hamburg, 2000 – 2003, Simulation of Indonesian rainfall with a hierarchy of climate models.
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