Fingerprinting sub-basin spatial suspended sediment sources by combining geochemical tracers and weathering indices

Environmental Science and Pollution Research International
Kazem NosratiAdrian L Collins

Abstract

Transport and deposition of fine-grained sediment, a pervasive nonpoint source pollutant, cause deleterious off-site impacts for water quality and aquatic ecosystems. Sediment fingerprinting provides one means of identifying the spatial sources of mobilised sediment delivered to fluvial systems in order to help target sediment control strategies and uptake of such source tracing procedures has been steadily increasing. Nonetheless, there remains a need to continue testing and comparing different composite signatures for source discrimination including the incorporation of physically grounded information relevant to erosion patterns. Accordingly, the objective of this study was to compare the discrimination and apportionment of sub-basin spatial suspended sediment sources in a mountainous basin in northern Tehran, Iran, using composite signatures comprising conventional geochemical tracers combined with lithological weathering indices or only the former. The list of conventional geochemical properties comprised Al, Ca, Cu, Fe, K, Mg, Mn, Na, Ni, Sr, Ti, and Zn whilst three weathering indices were included: the chemical index of alteration (CIA), the weathering index of Parker (WIP), and the indicator of recycling (IR) which were...Continue Reading

References

May 24, 2005·The Science of the Total Environment·D E Walling
Feb 26, 2008·Ecology Letters·Jonathan W Moore, Brice X Semmens
Aug 17, 2014·The Science of the Total Environment·Arman HaddadchiPatrick Laceby
Sep 6, 2018·Environmental Science and Pollution Research International·Kazem NosratiMohammad Reza Zare
Feb 3, 2019·The Science of the Total Environment·Samaneh HabibiJohn D Jansen

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Citations

Jun 5, 2020·Environmental Science and Pollution Research International·Kazem NosratiAdrian L Collins
Nov 27, 2020·Journal of Soils and Sediments·Adrian L CollinsYusheng Zhang

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