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We present new developments in large-scale computing focused on seismology, viewing Earth as an unstructured tetrahedral mesh, across an extreme range of scales. We discuss, while highlighting emerging techniques, the simulation of (i) seismic normal modes on planetary scale, (ii) high-frequency time-harmonic waves in the crust, in particular, sedimentary basins, (iii) earthquakes, and (iv) broad-band wave propagation and scattering in poro-elastic media with connections to rock physics.
Please join us for a special coffee hour in memory of Peirce Lewis
The large herbivores of South and Southeast Asia comprise an ancient and diverse guild with a long history of association with humans. To this day, our knowledge of the mechanisms that have shaped the distribution of these herbivores over space and time, and the ecological roles they play in ecosystems, remains largely inadequate.
Morocco's food landscape has been undergoing a major shift: Obesity is on the rise while traditional, healthy food is becoming more scarce.
Penn State geography researcher Bronwen Powell wants to know what’s driving these trends. To do that, she and her team are on the ground in Morocco investigating how different foods end up in markets and how community members view those foods.
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The next time you see your favorite collegiate athlete on the field or court, think again about their road to getting there.
That is something Clio Andris, assistant professor of geography at Penn State, has spent the past several years piecing together. Her findings were published in The Professional Geographer.
