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    Flume Measurements of Sediment Erodibility in Boston Harbor

    Source: Journal of Hydraulic Engineering:;1999:;Volume ( 125 ):;issue: 010
    Author:
    Thomas M. Ravens
    ,
    Philip M. Gschwend
    DOI: 10.1061/(ASCE)0733-9429(1999)125:10(998)
    Publisher: American Society of Civil Engineers
    Abstract: To obtain in situ measurements of sediment erodibility in defined bottom shear stress environments, a portable, straight flume was built, tested, and deployed in the field for six experiments at three locations in Quincy Bay of Boston Harbor, Mass. The flume had a 1.0-m-long inlet section, which included a boundary-layer trip and a roughened, plexiglass bottom; this design prevented erosion of the sediment bed in the boundary-layer-development region. Downstream of the inlet section was a 1.2-m-long sediment test section, which had a laboratory-verified, uniform bottom stress. In the absence of algal mats, our flume experiments on sites exhibiting a range of bed properties indicated quite uniform erodibility, with a critical shear stress τ
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      Flume Measurements of Sediment Erodibility in Boston Harbor

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    http://yetl.yabesh.ir/yetl1/handle/yetl/24737
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    • Journal of Hydraulic Engineering

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    contributor authorThomas M. Ravens
    contributor authorPhilip M. Gschwend
    date accessioned2017-05-08T20:43:20Z
    date available2017-05-08T20:43:20Z
    date copyrightOctober 1999
    date issued1999
    identifier other%28asce%290733-9429%281999%29125%3A10%28998%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/24737
    description abstractTo obtain in situ measurements of sediment erodibility in defined bottom shear stress environments, a portable, straight flume was built, tested, and deployed in the field for six experiments at three locations in Quincy Bay of Boston Harbor, Mass. The flume had a 1.0-m-long inlet section, which included a boundary-layer trip and a roughened, plexiglass bottom; this design prevented erosion of the sediment bed in the boundary-layer-development region. Downstream of the inlet section was a 1.2-m-long sediment test section, which had a laboratory-verified, uniform bottom stress. In the absence of algal mats, our flume experiments on sites exhibiting a range of bed properties indicated quite uniform erodibility, with a critical shear stress τ
    publisherAmerican Society of Civil Engineers
    titleFlume Measurements of Sediment Erodibility in Boston Harbor
    typeJournal Paper
    journal volume125
    journal issue10
    journal titleJournal of Hydraulic Engineering
    identifier doi10.1061/(ASCE)0733-9429(1999)125:10(998)
    treeJournal of Hydraulic Engineering:;1999:;Volume ( 125 ):;issue: 010
    contenttypeFulltext
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