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Global Change 2 > Carbon Cycle Summary > Flashcards

Carbon Cycle Summary Flashcards

1
Q

About how much CO2 is in the present day atmosphere

A

~750 GtC = 380 ppm

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2
Q

About how much carbon is in living organic matter (biomass)

A

~600 GtC

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3
Q

How much carbon is in soils?

A

1500-2000 GtC

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4
Q

How much CO2 is emitted from fossil fuel burning and deforestation?

A

7-8 GtC from fossil fuel burning and 1-2 GtC from deforestation

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Global Change 2 (6 decks)

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