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Prediction of Oceanic Particle Size Distributions from Coagulation and Sedimentation Mechanisms

Hunt, James R. (1980) Prediction of Oceanic Particle Size Distributions from Coagulation and Sedimentation Mechanisms. In: Particulates in Water. Advances in Chemistry. No.189. American Chemical Society , Washington, DC, pp. 243-257. ISBN 9780841204997. https://resolver.caltech.edu/CaltechAUTHORS:20180404-125248650

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Abstract

An explanation is offered for observed oceanic particle size distributions considering only particle removal by coagulation and sedimentation. The analysis includes three coagulation mechanisms: Brownian, shear, and differential-sedimentation, for a continuous distribution of particle size. The size distribution is assumed to be in steady state with a constant flux of particle volume through the distribution. Predicted size distributions are power-law functions of the particle diameter with exponents —2.5 for Brownian coagulation, —4.0 for shear coagulation, —4.5 for differential-sedimentation coagulation, and —4.75 for gravitational settling. Observed size distributions for oceanic waters and digested sewage sludges are compared with the predictions. One consequence of the theory is the prediction of increased particle concentration at oceanic thermoclines in response to a decrease in fluid turbulence.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/ba-1980-0189.ch011DOIArticle
https://pubs.acs.org/doi/abs/10.1021/ba-1980-0189.ch011PublisherArticle
Additional Information:© 1980 American Chemical Society. Received September 25, 1978. Published in print 1 November 1980. The author thanks James J. Morgan for his support during the development of this theory.
Series Name:Advances in Chemistry
Issue or Number:189
DOI:10.1021/ba-1980-0189.ch011
Record Number:CaltechAUTHORS:20180404-125248650
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180404-125248650
Official Citation:Prediction of Oceanic Particle Size Distributions from Coagulation and Sedimentation Mechanisms JAMES R. HUNT Particulates in Water. November 1, 1980 , 243-257 DOI:10.1021/ba-1980-0189.ch011
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85606
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:04 Apr 2018 22:09
Last Modified:15 Nov 2021 20:30

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