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A biogeochemical cycle, or more generally a cycle of matter, [1] is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust. Major biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule is ...
The phosphorus cycle is the biogeochemical cycle that involves the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the movement of phosphorus, because phosphorus and phosphorus-based materials do not enter the gaseous phase readily, [1] as the main source of gaseous phosphorus ...
In particular, biogeochemistry is the study of biogeochemical cycles, the cycles of chemical elements such as carbon and nitrogen, and their interactions with and incorporation into living things transported through earth scale biological systems in space and time. The field focuses on chemical cycles which are either driven by or influence ...
An example chemical cycle, a schematic representation of a Nitrogen cycle on Earth. This process results in the continual recycling of nitrogen gas involving the ocean. Chemical cycling describes systems of repeated circulation of chemicals between other compounds, states and materials, and back to their original state, that occurs in space ...
Marine biogeochemical cycles are biogeochemical cycles that occur within marine environments, that is, in the saltwater of seas or oceans or the brackish water of coastal estuaries. These biogeochemical cycles are the pathways chemical substances and elements move through within the marine environment. In addition, substances and elements can ...
Pages in category "Biogeochemical cycle" The following 40 pages are in this category, out of 40 total. This list may not reflect recent changes. ...
Boron cycles through the atmosphere, lithosphere, biosphere, and hydrosphere. The major flux between reservoirs are depicted with arrows, where the size/width of the arrow corresponds to the magnitude of the flux. All flux values are given in Tg B/yr (= 10 12 gB/yr). Red arrows indicate anthropogenic emissions, while the black arrows indicate ...
Biogeochemical lithium cycle In the diagram above, lithium sinks are described in concentrations (ppm) and displayed as boxes. [ 1 ] Fluxes are shown as arrows and are in units of moles per year. [ 2 ]
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