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2篇 您的检索式:作者名="Md.Azharul HOQUE"
    题名 作者 年代 出处 被引量
1Hydrodynamics and suspended sediment transport at tidal inlets of Salut Mengkabong Lagoon, Sabah, Malaysia显示文摘Salut-Mengabong Lagoon is located at the west coast of Sabah facing the South China Sea. At the bay side of the main inlet the lagoon splits into Salut and Mengabong Channels. Sediment dynamics at the inlets of the lagoon have recently received considerable attention. But any direct measurement of hydrodynamics and sediment flux are yet to be well documented. This study covers the field measurements of current velocity, water flux, suspended sediment concentration and sediment flux across the three transects (main inlet, Salut entrance and Mengkabong entrance) during typical spring and neap tidal cycles in southwest monsoon and northeast monsoon. Temporal variations and timeaveraged values of measured parameters are discussed. The inlets of Salut-Mengkabong Lagoon are found to be ebb-dominated. The time-averaged velocities during spring tidal measurements are found to be higher in the main inlet followed by Mengkabong entrance and Salut entrance. Suspended sediment concentration and sediment fluxes are substantially higher in spring tidal cycles compared to the same in neap tidal cycles. During spring tidal cycles, ebb tidal sediment fluxes are higher than the flood tidal fluxes. The ebb dominated flux across the main inlet led to the large ebb shoal.Md.Azharul HOQUE Bobita Golam AHAD Ejria SALEH 2010International Journal of Sediment Research2010,25,4:7
2Application of SWAN model for storm generated wave simulation in the Canadian Beaufort Sea显示文摘The wave model SWAN(Simulating WAves Nearshore)is implemented for the Canadian Beaufort Sea and storm generated waves are investigated through comparisons between in situ buoy observations and numerical simulations.Simulations are performed for four storms using the SWAN wave model.We specifically use SWAN’s non-stationary and two-dimensional modes in a fine resolution nested domain within a coarse resolution domain.Two established whitecapping formulations in SWAN are examined;one is dependent on mean spectral wave steepness and the other is on local spectral steepness.Model simulations in the shallow fine resolution domain also consider the effects of bottom friction and nonlinear triad interactions.For the Beaufort Sea study area,wave simulations in which the white capping formulation is dependent on local spectral steepness are better than those where the dependency is on mean spectral steepness;however implementation of bottom friction term and triad mechanisms in the present study does not lead to any notable enhancement in the simulations.Md.Azharul Hoque William Perrie Steven M.Solomon 2020Journal of Ocean Engineering and Science2020,5,1:1
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