Carbon cycle – Carbon reservoir





 

Carbon reservoirs

ReservoirQantity-Gigatons
Atmosphere720
Oceans (total)38 500
Ocean - Deep layers37 000
Ocean - Upper layers1 000
Lithosphere79 000 000
Earth Crust – Sedimentary rock and kerogen75 000 000
Earth Crust - Hydrocarbons4 000
Terrestrial biosphere (total)2 000
Living biomass (plants)800
Dead biomass (soil)1 200
The table above indicates approximate quantities for the main carbon reservoirs.