Title
Suspended-matter particle-size in some West-European estuaries : part II. A review on floc formation and break-up Suspended-matter particle-size in some West-European estuaries : part II. A review on floc formation and break-up
Author
Faculty/Department
Faculty of Applied Economics
Faculty of Sciences. Chemistry
Publication type
article
Publication
Texel ,
Subject
Biology
Source (journal)
Netherlands journal of sea research. - Texel
Volume/pages
28(1991) :3 , p. 215-220
ISSN
0077-7579
ISI
A1991HB29400006
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The results of particle size measurements in several estuaries with a Coulter counter, by pipette analysis and with a Plankton camera that gives the in situ size are discussed. The in situ size distribution of flocs is probably the result of a complex interaction of processes that induce flocculation. In estuaries, the kinetics of the processes in relation to the tidal cycle are particularly important. There is no evidence for an influence of salinity on in situ floc size distributions. In situ flocs are smaller than the turbulent whirls and probably do not break up after their formation. The floc break-up that occurs during sampling and analysis is an indication of the firmness (strength) of the flocs. The salinity increase at the fresh-saline water contact reduces the floc strength by mobilizing natural polymers (polysaccharides).
E-info
https://repository.uantwerpen.be/docman/iruaauth/48ddd4/1874130.pdf
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