Biological pump: Difference between revisions

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{{marine life sidebar}}
 
The '''biological pump''' (or '''ocean carbon biological pump''' or '''marine biological carbon pump''') is the ocean's biologically driven [[Carbon sequestration|sequestration of carbon]] from the atmosphere and land runoff to the ocean interior and [[seafloor sediments]].<ref name=Sigman2006>Sigman DM & GH Haug. 2006. The biological pump in the past. In: Treatise on Geochemistry; vol. 6, (ed.). [[Pergamon Press]], pp. 491-528</ref> In other words, it is a biologically mediated process which results in the sequestering of carbon in the deep ocean away from the atmosphere and the land. The biological pump is the biological component of the "marine carbon pump" which contains both a physical and biological component. It is the part of the broader [[oceanic carbon cycle]] responsible for the cycling of [[organic matter]] formed mainly by [[phytoplankton]] during [[photosynthesis]] (soft-tissue pump), as well as the cycling of [[calcium carbonate]] (CaCO<sub>3</sub>) formed into shells by certain organisms such as [[plankton]] and [[mollusks]] (carbonate pump).<ref name=Hain2014>{{cite book |titlechapter=The Biological Pump in the Past |journaltitle=Treatise on Geochemistry, 2nd Edition |edition=2|year=2014 |last1=Hain |first1=M.P. |last2=Sigman |first2=D.M. |last3=Haug |first3=G.H. |volume=8 |pages=485–517 |doi=10.1016/B978-0-08-095975-7.00618-5 |url=https://earth-system-biogeochemistry.net/wp-content/uploads/2021/05/Hain_et_al_2014_ToG.pdf |access-date=2015-06-01 |isbn=9780080983004 }}</ref>
 
Budget calculations of the biological carbon pump are based on the ratio between [[Marine sediment|sedimentation]] (carbon export to the ocean floor) and [[remineralization]] (release of carbon to the atmosphere).