© 2016 by Allyson Tessin. Proudly created with Wix.com

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My research bridges the fields of oceanography, biogeochemistry, and sedimentary geology, with the goal of understanding the relationship between the marine carbon cycle and climate change. More specifically, I investigate how changes in ocean deoxygenation, land to sea delivery of carbon and nutrients, and benthic-pelagic biogeochemical coupling control changes in the production and preservation of organic carbon. My interdisciplinary approach combines seagoing science, geological fieldwork, and multi-proxy geochemical analyses to advance my overall goal of understanding and predicting the impact of anthropogenic climate change on marine biogeochemical cycles by combining modern process-focused studies with reconstructions of past marine biogeochemical cycling from the sedimentary record.