Shiyan Zhang Graduate Student (Ph.D.) szz5367@psu.edu Expertise: GIS application; Python, R programming; machine learning/deep learning; database; trajectory analysis |
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Karl Zimmerer Professor of Geography, Ecology, and Rural Sociology ksz2@psu.edu Expertise: land use and agricultural change/global change; economic development/globalization/neoliberalism; nature-society and human-environment theory environmental impacts (biodiversity/soils/water/conservation); food/producer-consumer networks/sustainability |