Geotopics Seminar Series: Dr. Alyssa Griffin, "Carbon cycling in coastal marine sediments: Implications for past, present, and future climates"
Monday, March 21, 2022 1pm to 2pm
About this Event
The exchange of carbon dioxide from the atmosphere, into the ocean, and its sequestration in marine sediments is a fundamental control of the global carbon cycle and in turn, Earth’s climate through time. A comprehensive understanding of the processes that control marine sediment biogeochemistry can strengthen our interpretations of past climates, constrain present carbon fluxes, and improve predictions of the planet’s future climate trajectory. However, several critical aspects related to the role of marine sediments in both local and global carbon dynamics remain poorly understood. For example, what are the micro- to macroscale controls of carbon cycling in modern marine sediments? How does the biogeochemical processing of carbon in marine sediments influence our reconstructions of the geologic past? And how will the processing, storage, and fluxes of carbon in marine sediments respond to future climate change and other anthropogenic stressors? In this talk, I will share insights into these questions from different nearshore marine environments and coastal sedimentary systems around the world. Using complimentary field- and laboratory-based experimental approaches and a suite of analytical tools, I will elucidate multiple complexities of carbon cycling in coastal marine sediments and potential implications for past, present, and future climates. Deeply interwoven with this work is building the collaborative and diverse global effort needed to address the climate crisis. I will share insights from my efforts to support, amplify, and center the voices of those most impacted by the current and future consequences of climate change.
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Topic: Geotopics: Dr. Alyssa Griffin
Time: Mar 21, 2022 01:00 PM Eastern Time (US and Canada)
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https://miami.zoom.us/j/97129689471?pwd=bnpxOFRZSk9QL3dOdmE3NkpSQ0dwdz09
Meeting ID: 971 2968 9471
Passcode: 691780
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