. Carbon and the biosphere; proceedings of the 24th Brookhaven symposium in biology, Upton, , May 16-18, 1972. Carbon cycle (Biogeochemistry). Air: C02, 102 moles,m2 Erosion and metamorphism Sediment: CaC03, MgCafCO^ 7 9 and kerogen, 10 moles m Sea: C02 + HC03 + CO2", 104 moles m: Plate " Organism tectonics debris Sediment 10 years 103 7 2 c 10 moles/m Msediment T 5 Air and sea 1 0 years 104moles/m2 ^ an and sea Ocean economics Fig. 1 The carbon cycle of the earth. IC02 = moles m3 513C = ;™ Warm surface. r~ = 1500 years Deep sea SC02 = moles/m3 513C = « 5
. Carbon and the biosphere; proceedings of the 24th Brookhaven symposium in biology, Upton, , May 16-18, 1972. Carbon cycle (Biogeochemistry). Air: C02, 102 moles,m2 Erosion and metamorphism Sediment: CaC03, MgCafCO^ 7 9 and kerogen, 10 moles m Sea: C02 + HC03 + CO2", 104 moles m: Plate " Organism tectonics debris Sediment 10 years 103 7 2 c 10 moles/m Msediment T 5 Air and sea 1 0 years 104moles/m2 ^ an and sea Ocean economics Fig. 1 The carbon cycle of the earth. IC02 = moles m3 513C = ;™ Warm surface. r~ = 1500 years Deep sea SC02 = moles/m3 513C = « 514C = -200%„ ZC02 = moles/m3 513C= o14C = -100°/oo Fig. 2 The carbon cycle of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brookhaven National Laboratory; Woodwell, G. M; Pecan, Erene V. [Washington] Technical Information Center, U. S. Atomic Energy Commission; [available from National Technical Information Service, Springfield, Va. ]
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