Download - Acidity on the half shell
Acidity on the half shell
What’s It Got to Do With Oysters?
Direct result of CO2 emissions
CO2(aq) H2CO3 HCO3– + H+ CO3
2– + H+
Carbonicacid
Bicarbonate CarbonateDissolvedcarbon dioxide
Atmosphericcarbon dioxide
CO2
(CO2 + H2O)
CO2(aq) HCO3- CO3
2- pH
Primer on ocean acidification
Symptoms of AcidosisSource: Wikipedia
Modeled pH in Surface Waters
Feely, Doney and Cooley,Oceanography (2009)
pH
Healthy ocean
Very bad news - for the ocean and me
Oyster Larvae
Credit: Dr. Carolyn Friedman / University of Washington
Images from Lynn xxx, OSU)
The Whiskey Creek StoryCredit: Photos by Lynn Ketchum, OSU
Failure of the Pacific Oyster Hatchery at Netarts Bay, Oregon
The Whiskey Creek Hatchery Story
Upwelling
WindStress
Upwelling
Offshore water displacement due to
earth’s rotation
brings high CO2, low pH, low Ω, low O2 water to surface
Science Informing Solutions
International OA Coordination Centre established in Monaco during Rio+20 Summit
Tracking the Chemical Balance
CORROSIVE WATER ALERT!
TemperatureSalinitypCO2 (sea, water)pHDissolved Oxygen
Core Measurements
$1.5 MillionOcean Health Prize
X Prize Foundation
