Explicit formulation of the shields diagram for incipient motion of sediment

Zhixian Cao, Gareth Pender, Jian Meng

    Research output: Contribution to journalArticlepeer-review

    108 Citations (Scopus)


    The Shields diagram remains the most widely used criterion for incipient motion of sediment. However its implicit nature makes applications rather inconvenient. By deploying Guo's logarithmic matching method twice, this technical note develops an explicit formulation of the Shields diagram, enabling the critical Shields parameter to be determined directly from fluid and sediment characteristics without resorting to any trial and error procedure or iteration. An extended application of the logarithmic matching method is demonstrated. © 2006 ASCE.

    Original languageEnglish
    Pages (from-to)1097-1099
    Number of pages3
    JournalJournal of Hydraulic Engineering
    Issue number10
    Publication statusPublished - Oct 2006


    • Coastal environment
    • Hydraulics
    • Sediment transport
    • Shear stress


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