Research

My primary research interests concern the geodynamics of active tectonic processes at plate boundaries and in plate interiors. My main tool is Global Positioning System (GPS) geodesy, which I use to measure ground motions and deformations caused by tectonic, seismic, or magmatic processes. I combine this kinematic information with geologic or geophysical data into models to investigate the dynamics of the processes at work.

In addition, I am interested in the use of GPS signals for remotely sensing atmospheric properties such as tropospheric water vapor content and ionospheric electron content. The former is a key component of the weather and climate system, the later responds in interesting ways to earthquakes, explosions, rocket launches, etc. These quantities can be estimated from GPS measurements and serve to constrain atmospheric models.

Specific research topics (current or not!) include:


To be continued...

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