19 Facts About Carbon cycle

Carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.

Carbon cycle is the main component of biological compounds as well as a major component of many minerals such as limestone.

Carbon cycle was first described by Antoine Lavoisier and Joseph Priestley, and popularised by Humphry Davy.

The global carbon cycle is usually divided into the following major reservoirs of carbon interconnected by pathways of exchange:.

Carbon cycle dioxide is removed from the atmosphere primarily through photosynthesis and enters the terrestrial and oceanic biospheres.

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Carbon cycle stored in soil can remain there for up to thousands of years before being washed into rivers by erosion or released into the atmosphere through soil respiration.

Carbon cycle enters the ocean mainly through the dissolution of atmospheric carbon dioxide, a small fraction of which is converted into carbonate.

Geologic component of the carbon cycle operates slowly in comparison to the other parts of the global carbon cycle.

Carbon cycle dioxide is released during the metamorphism of carbonate rocks when they are subducted into the earth's mantle.

The fast Carbon cycle operates in the biosphere and the slow Carbon cycle operates in rocks.

The slow or geological cycle can take millions of years to complete, moving carbon through the Earth's crust between rocks, soil, ocean and atmosphere.

Fast carbon cycle involves relatively short-term biogeochemical processes between the environment and living organisms in the biosphere .

Slow carbon cycle involves medium to long-term geochemical processes belonging to the rock cycle .

The deep carbon cycle is intimately connected to the movement of carbon in the Earth's surface and atmosphere.

Therefore, by allowing carbon to return to the Earth, the deep carbon cycle plays a critical role in maintaining the terrestrial conditions necessary for life to exist.

Carbon cycle principally enters the mantle in the form of carbonate-rich sediments on tectonic plates of ocean crust, which pull the carbon into the mantle upon undergoing subduction.

Carbon cycle is oxidised upon its ascent towards volcanic hotspots, where it is then released as CO2.

Carbon cycle dioxide is produced and released during the calcination of limestone for clinker production.

Bioplastics with a more natural and rapid carbon cycle have been developed as an alternative to other petroleum-based single-use plastics.