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Palaeontology

Did mammoth deaths contribute to global cooling ?

By T.K. Randall
June 7, 2010 · Comment icon 14 comments

Image Credit: Wikimedia Commons
A new study has suggested that the disappearance of mammoths 13,000 years ago could have cooled the planet.
The study is based on the notion that mammoth flatulence would have contributed to the warming of the planet and that when mammoths started to disappear this in turn lead to a global cooling effect.
When mammoths and other Ice Age "megafauna" disappeared from the Americas about 12,800 years ago, the animals took with them their planet-warming burps—spurring the mysterious cooling period known as the Younger Dryas, a new study says.


Source: National Geographic | Comments (14)




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Comment icon #5 Posted by Tom Sawyer 15 years ago
This seems like a reach to me. Now saying that it contributed to the warming is one thing (a small lightning strike fire also did that), but I think they are reaching with the significance it played. I agree the amount of methane released by these "burps" couldn't be that significant, but then again I'm no expert on the matter perhaps getting rid of soda would cool the planet down some
Comment icon #6 Posted by DieChecker 15 years ago
I'd be interested in if the same thing happened with the giant Bison herds of the American praires were wiped out. I think they need more then just one data set to establish a correlation.
Comment icon #7 Posted by Malaria_Kidd 15 years ago
No! Please don't get me started on Al Gore...
Comment icon #8 Posted by the rebirth 15 years ago
no. wouldnt the climate shift have caused these animals to die off instead of the other way around? saying that the global temperature plummeted just because they stopped burping all the time is absurd. *facepalm*
Comment icon #9 Posted by Paracelse 15 years ago
While in school many (many) moons ago, I was told mammoth froze to death (and could be still found in ice cubes in Siberia)... so how could the freeze to death and create global warming at the same time... ?
Comment icon #10 Posted by Fernand0 15 years ago
So, they were warming the planet by passing gas? They would start dying off because they need cold climates no?
Comment icon #11 Posted by Wickian 15 years ago
While in school many (many) moons ago, I was told mammoth froze to death (and could be still found in ice cubes in Siberia)... so how could the freeze to death and create global warming at the same time... ? It makes perfect sense if you use AGW logic.
Comment icon #12 Posted by :PsYKoTiC:BeHAvIoR: 15 years ago
While in school many (many) moons ago, I was told mammoth froze to death (and could be still found in ice cubes in Siberia)... so how could the freeze to death and create global warming at the same time... ? Apparently, they ran out of gas!
Comment icon #13 Posted by Paracelse 15 years ago
It makes perfect sense if you use AGW logic. But my car runs on range free dinosaurs, it's perfectly organic
Comment icon #14 Posted by Mandrake 15 years ago
My mate Dave more than makes up for a lack of mammoth methane.


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