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The Department of Geosciences and Princeton University congratulates C. Yanhua Yuan on successfully defending her Ph.D. thesis: "Adjoint Seismic Tomography Using Full-Waveform and Envelope Inversion."
In the freshman seminar, "Earth's Environments and Ancient Civilizations," students study how to use global positioning systems (GPS), archaeological and geological data, geophysical technology, and computer programs to seek and examine the buried remnants of lost civilizations. The course included a trip to Cyprus, where students collected data for final presentations about how ancient civilizations altered the landscape and changed the environment — and vice versa.