Global Distribution And Major Stores Of Carbon Flashcards
(7 cards)
How much of earths carbon is in the lithosphere
99.985%
Carbon in the lithosphere
Inorganic deposits include fossil fuels, and carbon based sedimentary rocks
Organic carbon includes littler, organic matter
Carbon in the Hydrosphere
Surface of the oceans, sunlights penetrates so photosynthesis can take place
Oceanic carbon is about 40,000 gtc
When organisms die, shells sink and decay releasing CO2
Carbon in the Biosphere
19% of earths biosphere carbon is in plants
Plant litter carries large amounts of carbon
Peat and soil humus
Animals play a small
Carbon in the atmosphere
Carbon dioxide is a trace gas, makes up 0.04% of the atmosphere
Co2 plays a vital role in regulating earths temperature.
Carbon in the pedosphere
Soil layer of the earth
Composed of millions of organisms
Carbon in the cryosphere
Tundra regions contain vast stores of organic carbon just above permafrost
Contains 2.5 x carbon currently in the atmosphere