is a glacial geologist and a professor in the Department of Geosciences at the University of Massachusetts Amherst
where she co-directs the Joseph Hartshorn Quaternary Laboratory. Her research expertise is in glacial geology and paleoclimatology
; she has made important contributions to Arctic
marine and terrestrial paleoclimate
records of late Cenozoic
to recent, the evolution of the Arctic climate, especially in the Beringia
region, and was a leader of the international Lake El’gygytgyn Drilling Project in northeastern Russia.
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