Quantifying particle aggregation in sediments

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Title Quantifying particle aggregation in sediments
Author Haberlah, David; McTainsh, Grant Harvey
Journal Name Sedimentology
Year Published 2011
Place of publication United Kingdom
Publisher Wiley-Blackwell
Abstract Sediments often occur as non-normal size distributions composed of discrete, partially aggregated particle populations. These populations reflect provenance, dispersal pathways and their depositional environments. Recent experimental laboratory studies describing mud flocculation in turbulent marine systems prompted this investigation of the potential of aggregates to record size-sensitive transport dynamics in a terrestrial fluvial system. Here, sediment-size distributions in their natural condition of particle–aggregate mixtures are analysed by parametric statistics. A practical and freely available decompositional approach is outlined and field tested, which allows sediment to be viewed in both its conventional particulate form and as its naturally occurring mixture of transport-stable aggregates and elementary particles. From a sequence of upward-fining slack water couplets in the Flinders Ranges, South Australia, it is demonstrated that the characteristics, provenance and depositional history of fine-grained sediments consisting of particle-aggregate mixtures can best be understood fully by quantifying aggregation.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1111/j.1365-3091.2010.01201.x
Volume 58
Issue Number 5
Page from 1208
Page to 1216
ISSN 0037-0746
Date Accessioned 2011-01-31
Language en_US
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Sedimentology
URI http://hdl.handle.net/10072/37614
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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