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Environment & Energy

OKIsItJustMe

(21,734 posts)

4. Today's rate of carbon emission build-up is much faster than the natural increase related to PETM

Reply to matt819 (Reply #1)

Mon Feb 25, 2019, 06:30 PM

Feb 2019

https://en.wikipedia.org/wiki/Paleocene%E2%80%93Eocene_Thermal_Maximum#Comparison_with_today's_climate_change

…

Comparison with today's climate change

Model simulations of peak carbon addition to the ocean–atmosphere system during the PETM give a probable range of 0.3–1.7 Petagrams of Carbon per year (Pg C/yr), which is much slower than the currently observed rate of carbon emissions. It has been suggested that today's methane emission regime from the ocean floor is potentially similar to that during the PETM.

…

https://www.climate.gov/news-features/features/models-and-fossils-face-over-one-hottest-periods-earths-history

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Cloud Loss Could Add 8 Degrees to Global Warming [View all] Eugene Feb 2019 OP

Regarding PETM matt819 Feb 2019 #1

Today's rate of carbon emission build-up is much faster than the natural increase related to PETM OKIsItJustMe Feb 2019 #4

Based on planetary wobble, we should be going back into an Ice Age by now NickB79 Feb 2019 #5

High CO₂ Levels Can Destabilize Marine Layer Clouds OKIsItJustMe Feb 2019 #2

Earth could warm by 14C as growing emissions destroy crucial clouds OKIsItJustMe Feb 2019 #3

Climate Change Could Make These Super-Common Clouds Extinct, Which Would Scorch the Planet Judi Lynn Feb 2019 #6

WaPo has picked the story up as well. femmedem Feb 2019 #7