Chapter 13 - SEDIMENT MEASUREMENTS

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Water Quality Monitoring - A Practical Guide to the Design and Implementation of Freshwater Quality Studies and Monitoring Programmes Edited by Jamie Bartram and Richard Ballance Published on behalf of United Nations Environment Programme and the World Health Organization 1996 UNEP/WHO. ISBN 0 419 22320 7 (Hbk) 0 419 21730 4 (Pbk). Chapter 13 - SEDIMENT MEASUREMENTS . This Chapter was prepared by E. Ongley. Sediments play an important role in elemental cycling in the aquatic environment. As noted in Chapter 2 they are responsible for transporting a significant proportion of many nutrients and contaminants. They also mediate their uptake, storage, release and transfer between environmental compartments. Most SEDIMENT in surface waters derives from surface erosion and comprises a mineral component, arising from the erosion of bedrock, and an organic component arising during soil-forming processes (including biological and microbiological production and decomposition).

13.2 Sediment measurement While the underlying theory is well known, the measurement of sediment transport requires that many simplifying assumptions are made.

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