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Biogeochemical Cycles

This data set includes the water, carbon and nitrogen cycles. Each biogeochemical term is identified by its cycle, its definition, where it takes place and a diagram.
a data set by ms_thompson
created January 8, 2017
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FAMILY TREE
TermCycleDefinitionWhereDiagram
transpirationwaterthe process by which water evaporates from the leaves of plantsbiosphere-atmosphere
evaporationwaterthe vaporization of waterhydrosphere-atmosphere
precipitationwaterrain, snow, sleet or hail that falls to the groundatmosphere-lithospere/hydrosphere
runoffwaterthe draining away of water from landlithosphere-hydrosphere
sublimationwaterthe transition of water from a gas to a solid phase without liquifying firstatmosphere-lithosphere
condensationwaterthe process by which water vapor condenses into cloudsatmosphere
combustioncarbonthe process by which carbon is released into the atmosphere by burningbiosphere/lithosphere-atmosphere
cell respirationcarbonthe process plants and animals use that cycles carbon through the biosphere and atmosphere; this process removes oxygen from the atmosphere and adds carbon dioxidebiosphere-atmosphere
photosynthesiscarbonthe process plants use that cycles carbon through the biosphere and atmosphere; this process removes carbon dioxide and adds oxygen to the atmosphereatmosphere-biosphere
decompositioncarbon and nitrogenthe process of organic matter decayingbiosphere-lithosphere
carbon sinkcarbona reservoir that stores carbon for a long period of timelithosphere
nitrificationnitrogenthe oxidation of ammonia to make nitrites followed by the oxidation of nitrites to make nitrateslithosphere
denitrificationnitrogenthe process of nitrate reduction that produces N2lithosphere-atmosphere
assimilationnitrogenthe process by which nitrates and ammonia are absorbed by a plantlithosphere-biosphere
ammonificationnitrogenthe process of converting organic nitrogen into ammoniabiosphere-lithosphere
nitrogen fixationnitrogenthe process by which nitrogen gas is converted to ammoniaatmosphere-lithosphere
eutrophicationnitrogennitrogen in runoff being carried to bodies of waterlithosphere/biosphere-hydrosphere