The Eco-Crash News, The Past Foretells the Future; Paleocene Eocene Thermal Maximum


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By Alex Wierbinski - Posted on 20 November 2017

  

BREAKING OUR PLANET

The Eco-Crash News

The Past Foretells the Future

Disaster Followed Ancient Warming Event

New research indicates likely hydrological implications of rapid global warming,
UNIVERSITY OF BIRMINGHAM, November 20, 2017.

Paleocene Eocene Thermal Maximum

50 million years ago

"From records of the PETM, like this one, it has become very clear that global warming causes major changes in the patterns and intensity of rainfall events. These changes are so large that we see evidence of them in the geological record, as a many-fold increase in the mass of sediments transported from land to the oceans. This has the potential for profound impacts on shallow marine ecosystems, and that is exactly what we see at the PETM."

PETM Wiki

"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. 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." 

 

 

Related

OCEANS, CHEMISTRY, & CLIMATE: PETM Shows We're Cooking Up a Toxic Brew

 

 

When Was That?

Geological Time Scales, US Geo Society.

Geo Time Scales, Wiki.

 

 

 

ECO-CRASH NEWS 

 

  

 

November 2017 High Sierra General News 

 

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