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The MOST, Syracuse NY (map)
“The Earth History of Oxygen”
Saturday, February 17, 2018
9:30A.M. - 11:00A.M.

Milton J. Rubenstein Museum of Science & Technology (MOST), Armory Square

Syracuse, New York

Speaker: Zunli Lu, PhD, Associate Professor, Director of Graduate Studies, Department of Earth Sciences, Syracuse University
Talk Overview: Oxygen is an essential gas for many life forms on Earth today, but it did not exist in the atmosphere during early episodes of Earth history. Geochemists invested great amount of effort to study how trace level of oxygen first appeared at about 2 billion years ago and then rose to its concentration of modern atmosphere. Even when the atmosphere was rich in oxygen, global oceans experienced catastrophic oxygen losses in the last 100 million years. Last but not least, on-going global climate change and nutrient pollution are leading to the expansion of marine dead-zones and more frequent hypoxia. This talk will explore the Earth history of oxygen, addressing causes and evidences for changes in oxygen levels.

Biography: Zunli has been with Syracuse University since 2011 after obtaining his PhD at University of Rochester and completing post-doctoral research at University of Oxford (England). He is interested in using chemical analyses and computer simulations to solve puzzles in the Earth system at different time scales. He is in charge of a clean lab and mass spectrometer to measure trace elements in water, rock and fossil samples. Climate change and oceanography are his main areas of teaching at SU. Other than research, writing and teaching at university, Zunli plays volleyball, table tennis, and particularly enjoys fishing. He’s also learning skating and skiing with his 5 year old boy.



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