Paul R. Sheppard

Associate Professor

Current research projects

• Identifying and interpreting N in tree rings.
   
• Identifying multiple tree-ring responses to the eruption of Paricutín, Michoacán, México, with ramifications for Sunset Crater, Arizona
   
• Improving use of reflected-light imaging techniques of conifer tree rings to reconstruct past summer rainfall in the Southwest
   
• Using dendrochemistry of heavy metals to identify possible contamination issues in three clusters of childhood leukemia located in the West
   

Current teaching projects

• Geos. 220: Environmental History of the Southwest
   
• Geos. 497C/597C: Dendrochronology Workshop
   
• Geos. 195D: Sense of Place Freshman Seminar
   

Current outreach projects

• Arizona Envirothon
   
• Students Across Borders