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Finite Element Modeling Of Tidal Flow And Bed -Load Transport In The Great Bay Estuarine System, New Hampshire, Ata Bilgili
Finite Element Modeling Of Tidal Flow And Bed -Load Transport In The Great Bay Estuarine System, New Hampshire, Ata Bilgili
Doctoral Dissertations
Current, sea level and bed-load transport are investigated in the Great Bay Estuary, New Hampshire---a shallow, well-mixed system with low freshwater input. Main channel tidal currents are over 2 m/sec, and its dynamic balance is dominated by the pressure gradient and bottom friction. Current and sea level forced by the M2, M4, M6 tides at the estuary mouth are simulated by two numerical models---a three-dimensional, harmonic model that solves the linearized shallow water equations (FUNDY5); and a vertically averaged, time stepping, non-linear model (ADAM). ADAM makes use of a kinematic assumption (that is, the local and advective accelerations are neglected) …