Proceedings of the National Academy of Sciences of the United States of America

About the PNAS Member Editor
Name Cazenave, Anny
Location Centre National d'Etudes Spatiales (CNES)
Primary Field Geophysics
 Election Citation
Cazenave has made major contributions to geophysics, geodesy, and planetary physics through innovations in space geodetic methods. Her work has led to a greater understanding of the Earth's lithosphere and mantle and of variations in the gravity field relevant to continental hydrology, ice sheets, and changes in sea level.
 Research Interests
My main research area is space research in Earth sciences. As a space geodesist, I have used a variety of space techniques to study the solid Earth and its fluid envelopes. My solid Earth research was mainly dedicated to measurements of the Earth gravity field over the oceans using satellite altimetry with applications in marine geophysics (in particular the mechanical and thermal structure of the oceanic lithosphere). I have also been involved in precise positioning using space techniques to measure large-scale tectonic motions, vertical crustal motions and motions of the geocenter. Since about a decade, I am working on sea level variations in response to climate variability and climate change, measuring the rate of sea level rise at global and regional scales using tide gauges and high precision altimetry and studying the main climatic causes (ocean thermal expansion, land ice melt, land water storage change). I am also interested in measuring temporal changes of the Earth gravity field using space gravimetry and in applications to ice sheet mass balance and change in total land water storage. In the recent years, I also contributed to develop space hydrology using satellite altimetry on surface waters (rivers, lakes and floodplains) and space gravimetry for studying the water budget at river basin scales, with applications to the continental water cycle.

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