The carbon cycle is the bio geochemical cycle by which carbon is exchanged among the biosphere,pedosphere, geosphere, hydrosphere and atmosphere. of the Earth. The Earth capable of sustaining life; it describes the movement of
carbon as it is recycled and reused throughout the biosphere.The global carbon budget is the balance of the exchanges
(incomes and losses) of carbon between the carbon reservoirs or between
one specific loop (e.g., atmosphere ? biosphere) of the carbon cycle. An
examination of the carbon budget of a pool or reservoir can provide
information about whether the pool or reservoir is functioning as a
source or sink for carbon dioxide. |