COASTAL BOTTOM BOUNDARY LAYERS... (V4)

By: P NIELSEN

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Paperback | 11 July 1992

At a Glance

Paperback
352 Pages

Edition Type
New edition

Dimensions(cm)
22.86 x 15.24 x 1.85

New Edition

Published: 1st July 1992

Paperback

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This book is intended as a useful handbook for professionals and researchers in the areas of Physical Oceanography, Marine Geology, Coastal Geomorphology and Coastal Engineering and as a text for graduate students in these fields. With its emphasis on boundary layer flow and basic sediment transport modelling, it is meant to help fill the gap between general hydrodynamic texts and descriptive texts on marine and coastal sedimentary processes. The book commences with a review of coastal bottom boundary layer flows including the boundary layer interaction between waves and steady currents. The concept of eddy viscosity for these flows is discussed in depth because of its relation to sediment diffusivity. The quasi-steady processes of sediment transport over flat beds are discussed. Small scale coastal bedforms and the corresponding hydraulic roughness are described. The motion of suspended sand particles is studied in detail with emphasis on the possible suspension maintaining mechanisms in coastal flows. Sediment pickup functions are provided for unsteady flows. A new combined convection-diffusion model is provided for suspended sediment distributions. Different methods of sediment transport model building are presented together with some classical models.

Industry Reviews

"The book has a good balance between mathematics and discussions of the physics involved. The author has certainly produced a well-written, carefully organized and informative book representing an important link between boundary layer flow models and the resulting sediment transport. It is on this basis that I recommend the book, which should be very useful for both scientists and engineers working in the area of coastal process modelling. The book should also be well suited for use in graduate student courses." D Myrhaug Coastal Engineering, 1993 "... a well-written book. Mathematics is kept to a minimum and there are a number of helpful worked examples ... Nielsen's book describes what may well be the majority view in ten years time." J F A Sleath J. Fluid Mech., 1995

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You Can Find This Book In

Non-Fiction Earth Sciences, Geography, Environment, Planning Earth Sciences Geology & The Lithosphere Stratigraphy Engineering & Technology Mechanical Engineering & Materials Materials Science Mechanics of Fluids Hydraulics & Pneumatics Geography Physical Geography & Topography

Hydrology & The Hydrosphere Oceanography & Seas Other Technologies & Applied Sciences Marine Engineering Civil Engineering

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Hardcover

Published: 1st July 1992

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Notation
Bottom Boundary Layer Flow
The Boundary Layer and the Flow Above It	p. 1
The Nature of Oscillatory Boundary Layers	p. 13
Oscillatory Boundary Layer Models	p. 40
Wave-Generated Currents	p. 52
Wave-Current Boundary Layer Interaction	p. 62
Sediment Mobility, Bed-Load and Sheet-Flow
Forces on Sediment Particles	p. 95
Incipient Sediment Motion	p. 102
Bed-Load Transport in Steady Flow	p. 109
Bed-Load and Sheet-Flow Under Waves	p. 116
Bedforms and Hydraulic Roughness
Introduction	p. 129
Coastal Bedform Regimes	p. 129
Bedform Dynamics	p. 131
Vortex Ripples	p. 135
Bedforms in Combined Wave-Current Flows	p. 143
Hydraulic Roughness of Natural Sand Beds	p. 145
The Motion of Suspended Particles
Introduction	p. 161
Settling Velocity	p. 164
Equation of Motion for Suspended Particles	p. 167
Accelerating Sediment in a Resting Fluid	p. 170
Sediment Particles in Accelerated Flow	p. 171
Sediment Trapping by Vortices	p. 181
Particles Settling Through Turbulence	p. 189
Sediment Suspensions
Introduction	p. 201
The Nature of Sediment Suspensions	p. 206
Pickup Functions	p. 222
Suspended Sedment Distribution Models	p. 233
Sediment Transport Models
Introduction	p. 263
Transport Models: In Essence Two Varieties	p. 263
Shore Normal Transport Over Vortex Ripples	p. 266
Shore Normal Sediment Transport Over Flat Beds	p. 276
Shore Parallel Sediment Transport	p. 280
Loose Ends and Future Diections
Introduction	p. 293
New models of wave-current boundary layer interaction	p. 293
Hydraulic roughness of flat sand beds under waves	p. 296
Instantaneous, effective shear stresses on sand beds under waves	p. 297
Bottom boundary condition for suspended sediment distributions	p. 297
Distribution models for suspended sediment	p. 298
References	p. 299
Author Index	p. 309
Subject Index	p. 313
Table of Contents provided by Blackwell. All Rights Reserved.

COASTAL BOTTOM BOUNDARY LAYERS... (V4)

At a Glance

New Edition

Paperback

Industry Reviews

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How to return your order

Defective items

You Can Find This Book In

Other Editions and Formats

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