Scientist Tessa Hill in sweater and glasses with black background
UC Davis marine geochemist and oceanographer Tessa Hill, photographed at Bodega Marine Laboratory in May 2022. (Karin Higgins/UC Davis)

Meet the Oceanographer

'When carbon dioxide enters the atmosphere, roughly 30% of it is absorbed by our oceans, a process called ocean acidification. Tessa Hill, a professor of Earth and planetary sciences and resident at the Bodega Marine Laboratory, studies this phenomenon and its effects on California coastal environments.

“I think about how climate change affects the food on our plate and fishermen and coastal communities who are trying to sustainably harvest from the ocean — and all of those intersections,” she said. “For example, under these changing chemical conditions mussels and oysters have a harder time building their shells, making them more susceptible to a crashing wave, or a predator, or a disease.”'

Despite the overwhelming task at hand, Hill said she is fueled by the community. “We work with people in state and federal government who are worried about this issue. We work with conservation groups. We work with tribes in California and sustainable shellfish farmers. All the work we do is deeply embedded in people who care about the future of our ocean.”

Read the full story at UC Davis Magazine

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