Principles of Tidal Sedimentology by Erik P. Kvale (auth.), Richard A. Davis Jr., Robert W.

By Erik P. Kvale (auth.), Richard A. Davis Jr., Robert W. Dalrymple (eds.)

This booklet offers a entire, modern overview of tidal environments and deposits. person chapters, every one written by means of world-class specialists, hide the complete spectrum of coastal, shallow-marine or even deep-marine settings the place tidal motion impacts or controls sediment circulation and deposition. either siliciclastic and carbonate deposits are lined. numerous chapters learn the dynamics of sediment delivery by means of tides, and the morphodynamics of tidal structures. a number of chapters discover the incidence of tidal deposits within the stratigraphic context of whole sedimentary basins.

This booklet is vital studying for either coastal geologists and executives, and geologists drawn to extracting hydrocarbons from advanced tidal successions.

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Because of fluctuation, settling of fine-grain particles towards the bed can be quite rapid around slack tide. P. Wang Fig. 6 Variation of suspended sediment concentration with time. After an initial rapid decrease, an equilibrium sediment concentration is reached. , fluid mud, above the bed. Fluid mud can also be formed at locations with overall low energy. Fluid mud can be easily eroded by the tidal currents during the subsequent tide. Extensively developed fluid mud can significantly dissipate the incident wave energy (Wells and Kemp 1986).

7) where D = grain diameter, and s = sediment specific density = Us/Uw. Settling velocity (ws) is another key parameter, especially for suspended sediment transport. Under most circumstances, the settling velocity of sediment particles is defined as the terminal velocity through tranquil water. Therefore, it is regarded as one of the physical properties of sediment particle and is not related to the flow regime, although actual settling velocity through turbulent water can be very different from that through tranquil water.

Transport and deposition of mixed cohesive and non-cohesive sediments are poorly understood and provide cutting edge research topics (Van Rijn 2007a, b, c) Given the wide range of both cohesive and noncohesive sediments, and the energetic and highly variable hydrodynamic processes driven by both tides and waves, sediment transport processes in tidal environments are extremely complicated. This chapter aims at providing a basic review of the principals of sediment transport applicable in tidal environments.

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