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West Coast Ahead of the Curve on Everything, Including Ocean Acidification

West Coast Ahead of the Curve on Everything, Including Ocean Acidification


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 26 December 2019

 

WATER, OCEANS, WARMING, BIG CIRCULATION CYCLES, & ACIDIFICATION

Scene of the Crime
Foraminifera Shell
This image of a foraminifera shell has been magnified 650 times its size by a scanning electron microscope. NOAA.
This image of a foraminifera shell has been magnified 650 times its size by a scanning electron microscope, thanks to NOAA an example of our tax dollars working well...
 

West Coast Ahead of the Curve on Everything

Tiny Shells Reveal Waters off California are Acidifying Twice as Fast as the Global Ocean,
NOAA Headquarters, December 16, 2019.

MAIN POINTS

Big Changes Quick
"NOAA scientists and academic partners used 100 years of microscopic shells to show that the coastal waters off California are acidifying twice as fast as the global ocean average -- with the seafood supply in the crosshairs."

Core Sampling for Shells
"...scientists examined nearly 2,000 shells of microscopic animals called foraminifera by taking core samples from the seafloor off Santa Barbara and measuring how the shells of these animals have changed over a century."

"By measuring the thickness of the shells, we can provide a very accurate estimate of the ocean's acidity level when the foraminifera were alive."

"...scientists looked back through time, layer by layer, and measured changes in thickness of the shells."

"...cores that represented deposits dating back to 1895."

Cyclic Rising Ocean Acidity
Linked to PDO
"Though the waters increased their overall acidity over time, the shells revealed decade-long changes in the rise and fall of acidity. This pattern matched the Pacific Decadal Oscillation, a natural warming and cooling cycle. Human-caused carbon dioxide emissions are driving ocean acidification, but this natural variation also plays an important role in alleviating or amplifying ocean acidification."

PDO Mixing
"During the cool phases of the Pacific Decadal Oscillation, strengthened winds across the ocean drive carbon dioxide-rich waters upward toward the surface along the West Coast of the U.S."

A Bad Thing
"It's like a double whammy, increasing ocean acidification in this region of the world."

 

MORE INFORMATION

Wiki
Foraminifera

 

PDO & Other Circulation Events
News & Resources
HIGH SIERRA WEATHER Theory and Practices: ENSO, the MJO, and the PDO

The Weather Page
El Nino-La Nina, with other Pacific Ocean Circulation Events

NOAA
Centers for Environmental Information
Pacific Decadal Oscillation

 

Warming Oceans turning Acidic

Current Consequences
Oct 2019
The West Coast Ocean Warming Kelp, Urchin, Abalone, Starfish Disaster Continues

March 2019
Inevitable Southern Ocean Acidification Tipping Point Approaches

Oct 2018
Ocean Acidification Melting the Damn Floor of the Sea!

Jan 2018
Climate Change Water News, Freshwater Acidification: Warming Climate Changing Freshwater as well as Ocean Chemistry

 

 

Warming Waters Changing Ocean Circulation as Well as Its Chemistry

Jan 2019
Where Has All the Heat Gone? Into Changing the Circulation of the Deep Blue Sea...

 

 

Fish-Ice-Oceans-Water

News of Man & Nature, December 2019

 

 

 

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Spider Forum

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Female Trail

High Sierra History

 

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