The Pacific Ocean along the West Coast serves as a model for how other areas of the ocean could respond in coming decades as the climate warms and emission of greenhouse gases like carbon dioxide increases. This region—the coastal ocean stretching from British Columbia to Mexico—provides an early warning signal of what to expect as ocean acidification continues and as low-oxygen zones expand.
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Make no mistake, the sea is changing. Warming waters are causing some organisms to become more abundant, while undermining others’ ability to fight off disease. Invasive species, overfishing and mutated diseases are all signs and sources of changes to come. Increased acidity, whether from human activities like runoff and carbon emissions or from the upwelling of deeper waters, affects the ability of clams, oysters and fish to form shells and skeletons.
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A team of industrial, academic, and nonprofit institutions that was among the top finishers of the recent ocean acidification XPrize is donating its winnings to a University of Washington lab that helps track ocean conditions worldwide. The donation, made Oct. 13 during an event at the UW College of the Environment and announced by Honeywell, will allow the UW and the international Argo program to begin broadening observations to include ocean acidification.
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New research from the University of Washington’s Friday Harbor Laboratories shows that a more acidic ocean can weaken the protective shell of a delicate alga. The findings, published Sept. 9 in the journal Biology Letters, come at a time when global climate change may increase ocean acidification. The creature in question is Acetabularia acetabulum, commonly called the mermaid’s wineglass. Reaching a height of just a few inches, this single-celled alga lives on shallow seafloors, where sunlight can still filter down for photosynthesis.
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Sunburst Sensors, based out of Missoula, MT, grabbed the two top spots in the Wendy Schmidt Ocean Health XPRIZE, receiving a $1.5 million award for advancing scientist’s ability to measure ocean chemistry as it relates to ocean acidification. Designed as a competition to spur innovation, teams from around the globe competed to develop the most promising technologies in two categories: a device that is easy to use and cost effective and a device that is highly accurate when tracking ocean acidification.
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