File:Carbon processing at the seafloor.png

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Carbon processing at the seafloor

Summary[edit]

Description
English: Carbon processing at the seafloor

Organic matter supply to sediments (Middelburg 2018).
(1) Organic matter settling from the water column is deposited at seafloor (donor control; fixed flux upper boundary condition).
(2) Sediments in the photic zone are inhabited by benthic microalgae that produce new organic matter in situ and grazing animals can impact the growth of these primary producers.
(3) Bioturbating animals transfer labile carbon from the sediment surface layer to deeper layers in the sediments. (Vertical axis is depth; horizontal axis is concentration)
(4) Suspension-feeding organisms enhance the transfer of suspended particulate matter from thewater column to the sediments (biodeposition).
(5) Sponge consume dissolved organic carbon andproduce cellular debris that can be consumed by benthic organisms (i.e., the sponge loop)

  • Middelburg JJ (2018) "Reviews and syntheses: to the bottom of carbon processing at the seafloor", Biogeosciences, 5:413–427.
Date
Source [1]
Author Jack J. Middelburg

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current06:10, 18 July 2022Thumbnail for version as of 06:10, 18 July 2022869 × 444 (159 KB)Epipelagic (talk | contribs)Uploaded a work by Jack J. Middelburg from [https://link.springer.com/content/pdf/10.1007/978-3-030-10822-9.pdf] with UploadWizard

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