What’s New in Science? (Fall Term)


Course description

The Secret Life of Ocean Gases: Climate Change and New Ways of Observing the Oceans

Roberta Hamme, PhD, School of Earth and Ocean Sciences, UVic

Friday, November 3: 12:30 to 1:45 pm

The ocean contains vastly more carbon than the atmosphere, is actively absorbing the carbon dioxide that we emit every day, and will eventually control atmospheric carbon dioxide levels. Conversely, declining ocean oxygen levels have been observed in every major ocean basin.  New ways of observing these changes and pinpointing their causes are being developed using robots that can measure oxygen, nutrient, and acidity levels. This presentation will explore some of most pressing questions in the ocean’s carbon and oxygen cycles and introduce you to the fleet of robotic floats now observing the ocean.

Roberta Hamme is an Associate Professor in the School of Earth and Ocean Sciences at the University of Victoria and holds a Canada Research Chair in Ocean Carbon Dynamics.  She leads a team making high precision measurements of gases dissolved in the ocean to answer questions at the intersection of physics, chemistry, and biology.

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