Introduction to the carbon cycle- definitions, etc Flashcards Preview

Geography-- Water and Carbon Cycle > Introduction to the carbon cycle- definitions, etc > Flashcards

Flashcards in Introduction to the carbon cycle- definitions, etc Deck (12)
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1

carbon stores (main ones)-

the main stores of carbon are the lithosphere, hydrosphere, cryosphere, atmosphere and biosphere

2

carbon sink definition

a store that ABSORBS MORE THAN IT RELEASES

3

carbon source definition

a store that RELEASES MORE CARBON THAN IT ABSORBS

4

carbon transfer definition

these are processes that transfer carbon between the stores eg photosynthesis takes carbon from atmosphere into plants

5

what does GtC stand for

a gigatonne of carbon dioxide

6

anthropogenic co2 definition

carbon dioxide generated by human activity

7

greenhouse gas definition

any gaseous compound in the atmosphere that is capable of absorbing infrared radiation - trapping heat in the atmosphere

8

lithosphere definition

the crust and uppermost mantle

9

weathering definition

the breakdown of rocks in situ by a combination of weather, plants and animals

10

biosphere definition

the total sum of all living matter

11

carbon sequestration definition

the capture of co2 from the atmosphere or capturing anthropogenic co2 and putting it into long term storage

12

what is the largest carbon store

marine sediments and sedimentary rocks