Global Distribution And Size Of Major Stores Of Carbon Flashcards Preview

A Level Geography- Physical - Water And The Carbon Cycle > Global Distribution And Size Of Major Stores Of Carbon > Flashcards

Flashcards in Global Distribution And Size Of Major Stores Of Carbon Deck (12)
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1

What are the main stores of carbon?

Lithosphere,
Hydrosphere,
Cryosphere,
Atmosphere.

2

What is the definition of a 'sink'?

A store that absorbs more carbon than it releases.

3

What is the definition of a 'source'?

A store that releases more carbon than it releases.

4

What is the biggest store of carbon?

Marine sediments and sedimentary rocks (100 million billion tonnes)

5

What is the smallest store of carbon?

Terrestrial plants (560 billion tonnes)

6

List from largest to smallest, the size of carbon stores.

Marine sediments and sedimentary rocks

Oceans

Fossil fuel deposits

Organic soil matter

Atmosphere

Terrestrial plants

7

How much carbon do marine sediments and sedimentary rocks hold?

100 million billion tonnes

8

How much carbon do oceans hold?

38,000 billion tonnes

9

How much carbon so fossil fuel deposits hold?

4,000 billion tonnes

10

How much carbon does organic soil matter hold?

1,500 billion tonnes

11

How much carbon does the atmosphere hold?

750 billion tonnes

12

How much carbon do terrestrial plants hold?

560 billion tonnes