Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/ Simple ocean acidification demos you can do (almost) anywhere with (almost) no budget Meg.

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Presentation transcript:

Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/ Simple ocean acidification demos you can do (almost) anywhere with (almost) no budget Meg Chadsey Washington State Sea Grant Meg Chadsey Washington State Sea Grant

Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

Image credit: Jack Cook, Woods Hole Oceanographic Institute Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

What is Ocean Acidification? The ocean absorbs ~25% of carbon dioxide we emit into the atmosphere. Image Credit: Sarah Cooley, Woods Hole Oceanographic Institute CO 2 (Carbon Dioxide) Climate Change Ocean Acidification + CO 2 Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

The pH Scale Source: Dr. Simone Alin, NOAA PMEL + CO 2 H2OH2O Seawater Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

Demonstrations 1) A Tale of Two Acids: lemon juice vs. CO 2 Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

Demonstrations 1) A Tale of Two Acids: lemon juice vs. CO 2 2) Hold Your Breath: experience how a small decrease in pH can have a big impact Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

Demonstrations 1) A Tale of Two Acids: lemon juice vs. CO 2 2) Hold Your Breath: experience how a small decrease in pH can have a big impact 3) Shells on Acid: why calcifiers (organisms with calcium carbonate shells) are especially vulnerable to acidification Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

Ocean Acidification means less calcium carbonate for building shells Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

Demonstrations 1) A Tale of Two Acids: lemon juice vs. CO 2 2) Hold Your Breath: experience how a small decrease in pH can have a big impact 3) Shells on Acid: why calcifiers (organisms with calcium carbonate shells) are especially vulnerable to acidification 4) Crossing Thresholds: what root beer can teach us about acidification Meg Chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/

Photo: Matt Chadsey Meg Chadsey Washington Sea Grant OA Specialist & NOAA PMEL Liaison mchadsey(at)uw.edu wsg.washington.edu/our-northwest/ocean-acidification/