meg chadsey; wsg.washington.edu/about-wsg/staff/meg-chadsey/ simple ocean acidification demos you...
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Simple ocean acidification demos you can do
(almost) anywhere with (almost) no budget
Simple ocean acidification demos you can do
(almost) anywhere with (almost) no budget
Meg ChadseyWashington State Sea Grant
Meg ChadseyWashington State Sea Grant
Image credit: Jack Cook, Woods Hole Oceanographic Institute
What is Ocean Acidification?What is Ocean Acidification?
The ocean absorbs ~25% of carbon dioxide we emit into the atmosphere.
The ocean absorbs ~25% of carbon dioxide we emit into the atmosphere.
Image Credit: Sarah Cooley, Woods Hole Oceanographic Institute
CO2
(Carbon Dioxide)
Climate Change
Ocean Acidification+ CO2
The pH Scale
Source: Dr. Simone Alin, NOAA PMELhttp://www.pmel.noaa.gov/co2/story/A+primer+on+pH
+ CO2H2OSeawater
Demonstrations
1) A Tale of Two Acids: lemon juice vs. CO2 1) A Tale of Two Acids: lemon juice vs. CO2
Demonstrations1) A Tale of Two Acids: lemon juice vs. CO2
2) Hold Your Breath: experience how a small decrease in pH can have a big impact
1) A Tale of Two Acids: lemon juice vs. CO2
2) Hold Your Breath: experience how a small decrease in pH can have a big impact
Demonstrations1) A Tale of Two Acids: lemon juice vs. CO2
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
1) A Tale of Two Acids: lemon juice vs. CO2
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
Ocean Acidification meansless calcium carbonate for building shells
Demonstrations1) A Tale of Two Acids: lemon juice vs. CO2
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
1) A Tale of Two Acids: lemon juice vs. CO2
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
Photo: Matt Chadsey
Meg ChadseyWashington Sea Grant OA Specialist & NOAA PMEL Liaisonmchadsey(at)uw.edu wsg.washington.edu/our-northwest/ocean-acidification/