Tracing sediment supply to a colmation layer in the upper Hunter River using X-ray diffractometry

implications for catchment-scale sediment management

    Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution


    Release of alluvial suspended sediment from channel bank erosion since European settlement has Resulted in the formation of a colmation layer along the upper Hunter River trunk stream at Muswellbrook, eastern Australia. We use X-ray diffractometry (XRD) to determine the mineralogical Signature of a riverbed colmation layer and floodplain sediment sources across this 4,480km² catchment. This sediment tracing technique allows us to construct a picture of how suspended sediment supply operates in this system. Understanding the spatial variability in sediment supply Is critical for the development of catchment action plans that treat the causes of sediment source And delivery problems rather than just the symptoms.
    Original languageEnglish
    Title of host publicationProceedings of the 6th Australian Stream Management Conference
    Subtitle of host publicationManaging for Extremes, Canberra, A. C. T., 6-8 February, 2012
    EditorsJames R. Grove, Ian Rutherford
    Place of PublicationCanberra
    PublisherRiver Basin Management Society
    Number of pages7
    ISBN (Print)9780734047625
    Publication statusPublished - 2012
    EventAustralian Stream Management Conference (6th : 2012) - Canberra, Australia
    Duration: 6 Feb 20128 Feb 2012


    ConferenceAustralian Stream Management Conference (6th : 2012)
    CityCanberra, Australia


    • Upper Hunter River
    • suspended sediment tracing
    • sediment supply areas
    • sediment management
    • XRD

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