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Professor of Earth Observation, University of Leeds

I am Professor of Earth Observation at the University of Leeds, Director of the NERC Centre for Polar Observation and Modelling, Principal Scientific Advisor to the European Space Agency CryoSat satellite mission, and co-leader of the ESA-NASA Ice Sheet Mass Balance Inter-comparison Exercise.

I use satellites to study physical processes of Earth's climate, and my main contributions to science have involved developing remote observations of the cryosphere, with particular emphasis on the quantitative techniques of radar interferometry and radar altimetry. I have also worked on studies of arid land degradation using satellite infrared radiometry and models of atmospheric radiative transfer, and I have led satellite validation campaigns in Europe, Africa, and Antarctica.

I was educated in the Department of Physics and Astronomy at the University of Leicester, and I have held academic posts at University College London, at the University of Cambridge, and at the University of Edinburgh.


  • –present
    Professor of Earth Observation, University of Leeds