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GEWEX Scientific Steering Group (SSG) Membership

The GEWEX SSG provides scientific guidance in formulating the program for GEWEX and advises the Joint Scientific Committee of the World Climate Research Program of progress achieved in the implementation of GEWEX, and scientific advances in the understanding of the global energy and water cycle.


Dr. Graeme StephensGraeme Stephens

Director, Center for Climate Sciences
NASA Jet Propulsion Laboratory
Pasadena, CA, USA

Areas of Interest: Atmospheric radiation, including the application of remote sensing in climate research to understanding the role of hydrological processes in climate change.

Prof. Sonia I. SeneviratneSonia Seneviratne

Associate Professor, Land-Climate Dynamics
Institute for Atmospheric and Climate Science
ETH Zurich
Zurich, Switzerland

Areas of Interest: Role of soil moisture and vegetation in the energy and water cycles, particularly in the occurrence of extreme events (droughts and heat waves).

Prof. Lisa AlexanderLisa Alexander

Senior Lecturer
Climate Change Research Centre
University of New South Wales
Sydney NSW, Australia

Areas of Interest: Climate variability and change especially understanding changes in extreme events, climate observations and model evaluation.

R. AnyahProf. Richard O. Anyah

Assistant Professor, Atmospheric Science
Department of Natural Resources and the Environmental
University of Connecticut
Storrs, Connecticut

Areas of Interest: Regional climate dynamics and modeling, regional climate-hydrology-land use connections (over the Nile River Basin and Horn of Africa), large inland lakes and regional climate processes, and regional climate change impacts and adaptation mechanisms for the water and agricultural sectors.

Dr. Eleanor M. Blyth

Head, Land Surface Processes Group
Centre for Ecology and Hydrology

Areas of Interest:  Land surface modelling, using data for benchmarking land-surface model performance, linking hydrological and meteorological models, land-atmosphere interactions and arctic land surface processes.

Rene GarreaudProf. Rene Garreaud

Department of Geophysics
Center for Climate and Resilience Research
Universidad de Chile
Santiago, Chile

Areas of Interest: Climate dynamics, synoptic and mountain meteorology.

Xin LiDr. Xin Li

Cold and Arid Regions Environmental and Engineering Research Institute
Chinese Academy of Sciences
Lanzhou, Gansu Province, China

Areas of Interest: Land data assimilation, remote sensing of hydrology and cryosphere.


Paul PoliDr. Paul Poli

European Centre for Medium-Range Weather Forecasts
Reading, UK

Areas of Interest: Global reanalyses, satellite observations, and data assimilation.




Dr. Siegfried D. Schubert

Senior Research Scientist
Global Modeling and Assimilation Office
NASA/Goddard Space Flight Center
Greenbelt, Maryland USA

Climate variability and predictability, droughts, the hydrological cycle, extreme weather and climate events, and reanalysis.

Prof. Remko UijlenhoetRemko Uijlenhoet

Chair, Hydrology and Quantitative Water Management Group
Department of Environmental Sciences
Wageningen University, The Netherlands

Areas of Interest: Catchment hydrology, hydrometeorology, and remote sensing of precipitation.

Peter WebsterProf. Peter Webster

School of Earth and Atmospheric Sciences
Atlanta, Georgia, USA

Areas of Interest:  Low frequency atmospheric and ocean dynamics, ocean-atmosphere interactions, and wave propagation through complex flows.



Prof. Minghua Zhang

School of Marine and Atmospheric Sciences (SoMAS)
Stony Brook University / SUNY
Stony Brook, New York, USA

Areas of Interest:  Climate modeling and climate feedback processes.