DOI: 10.1126/science.268.5209.375. The Silica Balance in the World Ocean: A Reestimate

The Silica Balance in the World Ocean: A Reestimate

10.1126/science.268.5209.375

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

The net inputs of silicic acid (dissolved silica) to the world ocean have been revised to 6.1 ± 2.0 teramoles of silicon per year (1 teramole = 10 12 moles). The major contribution (about 80 percent) comes from rivers, whose world average silicic acid concentration is 150 micromolar. These inputs are reasonably balanced by the net ouputs of biogenic silica of 7.1 ± 1.8 teramoles of silicon per year in modern marine sediments. The gross production of biogenic silica (the transformation of dissolved silicate to particulate skeletal material) in surface waters was estimated to be 240 ± 40 teramoles of silicon per year, and the preservation ratio (opal accumulation in sediment/gross production in surface waters) averages 3 percent. In the world ocean the residence time of silicon, relative to total biological uptake in surface waters, is about 400 years.

Bibliography

TrÃ©guer, P., Nelson, D. M., Van Bennekom, A. J., DeMaster, D. J., Leynaert, A., & QuÃ©guiner, B. (1995). The Silica Balance in the World Ocean: A Reestimate. Science, 268(5209), 375â379.

Authors 6

Paul Tréguer (first)
David M. Nelson (additional)
Aleido J. Van Bennekom (additional)
David J. DeMaster (additional)
Aude Leynaert (additional)
Bernard Quéguiner (additional)

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Dates

Type	When
Created	18 years, 9 months ago (Oct. 27, 2006, 2:19 p.m.)
Deposited	1 year, 7 months ago (Jan. 12, 2024, 6:22 p.m.)
Indexed	1 day, 23 hours ago (Aug. 21, 2025, 12:43 p.m.)
Issued	30 years, 4 months ago (April 21, 1995)
Published	30 years, 4 months ago (April 21, 1995)
Published Print	30 years, 4 months ago (April 21, 1995)

Funders 0

None

BibTeX

@article{Tr_guer_1995, title={The Silica Balance in the World Ocean: A Reestimate}, volume={268}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.268.5209.375}, DOI={10.1126/science.268.5209.375}, number={5209}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Tréguer, Paul and Nelson, David M. and Van Bennekom, Aleido J. and DeMaster, David J. and Leynaert, Aude and Quéguiner, Bernard}, year={1995}, month=apr, pages={375–379} }

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