Nathaniel Lifton

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Nathaniel Lifton

Research Scientist, Geochronology, Geochemistry




My research interests focus on developing methods for using in situ cosmogenic nuclides (CNs) to derive surface exposure ages and/or erosion rates for process-oriented geomorphic studies. I have developed reliable methods for extracting in situ cosmogenic 14C (in situ 14C) from quartz, and continue to advance those techniques. Recently, I have been using in situ 14C to calibrate variations of in situ CN production rates with altitude and latitude. As an outgrowth of that work, I am also investigating the effects of millennial-scale geomagnetic variability on CN production rates in time and space. I am also applying in situ 14C in concert with long-lived CNs such as 10Be, 26Al, and 36Cl to investigate complex exposure scenarios, particularly involving glacial advance and retreat.

Recent CV

Office: Gould-Simpson, 311
Phone: 520-626-3251
Lab:Gould-Simpson, 123A
Phone: 520-626-8053
Fax: 520-621-2672