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Environmental Geology & Geochemistry Seminar (EGGS) Lecture Series

Fall 2018

September 13

Linhan Shen, Princeton University, "Atmospheric Methane Source and Sink Attributions using Cavity Ring-down Spectroscopy" abstract

September 20

Jean Loock, Princeton University, "The Southern Ocean: a trace metal pauper" abstract

September 27

Doug Bartlett, Scripps, University of California,San Diego, "Microbial Life at the Greatest Ocean Depths" abstract

October 4

Pearse J. Buchanan, University of Tasmania, "Marine nitrogen fixers mediate a low latitude pathway for atmospheric CO2 drawdown" abstract

October 11

Seth Bushinsky, Princeton University GFDL, "A new Southern Ocean carbon flux estimate from merged ship and float observations" abstract

October 18

Kaustubh Thirumalai, Brown University,

 “An El Niño mode in the Indian Ocean?” abstract

October 25

Peter Jaffe, Princeton University, "Ammonium Oxidation under Iron Reduction: Insights into a novel pathway in the N cycle, potential applications, and challenges" abstract

November 1

Break Week

November 8

Adam Wallace, University of Delaware, "Towards an improved understanding of mineral surface reactivity: Current practices and future opportunities in computational geochemistry" abstract

November 15

Grad student presentations, Yuzhen Yan, "Early-Pleistocene CO2 concentrations from 2-million-year-old blue ice records: direct observations and proxy reconstructions". abstract and Alliya Akhtar, "Reconstructing the d44/40Ca of seawater: insights from modern and ancient elasmobranch teeth". abstract

November 29

Katherine Heal, University of Washington, "New insights into microbial elemental cycling exchange through metabolomics" abstract

December 6

Geneviève Elsworth, University of Colorado Boulder, "Enhanced weathering CO2 drawdown caused by latest Eocene strengthening of the Atlantic meridional overturning circulation". abstract

All seminars are held on Thursday at 12:30 p.m. in Guyot 220 unless otherwise noted.

Questions or comments? Contact Ashley Maloney ( or Jared Wilmoth (