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Old 05-06-2018, 03:46 PM   #1571 (permalink)
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Originally Posted by oil pan 4 View Post
Over earth's history the ocean has spent plenty of time well above current CO2 levels then compared to "when we arrived".
What's going to happen? Likely nothing since there have been way higher levels of CO2 in the past.
So again, I find nothing to panic about.

You people can panic all you want, I find it highly entertaining.
Sure buddy...
Originally Posted by Wikipedia
While ongoing ocean acidification is at least partially anthropogenic in origin, it has occurred previously in Earth's history.[17] The most notable example is the Paleocene-Eocene Thermal Maximum (PETM),[18] which occurred approximately 56 million years ago when massive amounts of carbon entered the ocean and atmosphere, and led to the dissolution of carbonate sediments in all ocean basins.

Ocean acidification has been compared to anthropogenic climate change and called the "evil twin of global warming"[19][20][21][22][23] and "the other CO2 problem".[20][22][24]
Originally Posted by wikipedia:PETM
The associated period of massive carbon injection into the atmosphere has been estimated to have lasted no longer than 20,000 years. The entire warm period lasted for about 200,000 years. Global temperatures increased by 5–8 °C.[3] The carbon dioxide was likely released in two pulses, the first lasting less than 2,000 years. Such a repeated carbon release is in line with current global warming.[2] A main difference is that during the Paleocene–Eocene Thermal Maximum, the planet was essentially ice-free.[4] However, the amount of released carbon, according to a recent study, suggest a modest 0.2 gigatonnes per year (at peaks 0.58 gigatonnes); humans today add about 10 gigatonnes per year.[5][6]
Rest assured, we only inject 50 times as much carbon as what caused the mass extinction 56 million years ago.
Highly entertaining. I wonder what else entertains you.

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