Carbon In Major Stores Flashcards
1
Q
What is the largest store of carbon
A
Lithosphere
2
Q
What percentage of carbon is stored in sedimentary rocks
A
99.9% (100 million GtC)
3
Q
What percentage of carbon is stored in fossil fuels
A
0.004% (4,100 GtC)
4
Q
When was the lowest concentration of carbon in the atmosphere and how much?
A
Quaternary glaciation when it sank to 180 ppm
5
Q
What percentage of carbon is in the atmosphere
A
0.001% (800 GtC), makes up 0.04% of the atmosphere
6
Q
What percentage of carbon is found in oceans?
A
0.04% (40,000 GtC)
7
Q
What percentage of carbon is found in biosphere
A
0.004%
8
Q
What percentage of carbon is found in the cryosphere
A
0.01% (3,170) GtC
9
Q
Where is most carbon stored in the cryosphere
A
The soil in areas of permafrost where decomposing plants and animals have frozen into the ground
