Flashcards in Global Distribution And Size Of Major Stores Of Carbon Deck (12)
What are the main stores of carbon?
What is the definition of a 'sink'?
A store that absorbs more carbon than it releases.
What is the definition of a 'source'?
A store that releases more carbon than it releases.
What is the biggest store of carbon?
Marine sediments and sedimentary rocks (100 million billion tonnes)
What is the smallest store of carbon?
Terrestrial plants (560 billion tonnes)
List from largest to smallest, the size of carbon stores.
Marine sediments and sedimentary rocks
Fossil fuel deposits
Organic soil matter
How much carbon do marine sediments and sedimentary rocks hold?
100 million billion tonnes
How much carbon do oceans hold?
38,000 billion tonnes
How much carbon so fossil fuel deposits hold?
4,000 billion tonnes
How much carbon does organic soil matter hold?
1,500 billion tonnes
How much carbon does the atmosphere hold?
750 billion tonnes