Turmoil In The Greenhouse Flashcards
1
Q
What is the reason for the carbon spike seen in the PETM
A
Methane hydrates plus volcanoes and fossil fuels
2
Q
How many PETM cycles were there
A
At least 2
3
Q
The destabilisation of methane hydrates could do what
A
Amplify long term climate change
4
Q
What happened to mammals in the PETM
A
Marked diversification
5
Q
What was the PETM
A
An instantaneous peak in temperature
6
Q
What happened to the ocean carbonate sediments at the PETM
A
Dissolution over less than 10,000 year period followed by over 100,000 years for deposition to fully recover
7
Q
One thing that occurred in the PETM was
A
Ocean acidification
8
Q
How long did the carbon cycle take to recover after the PETM
A
100,000 years
