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Author: Charles E. Long
Publisher:
ISBN:
Category : Spectral energy distribution
Languages : en
Pages : 134
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Book Description
Author: Charles E. Long
Publisher:
ISBN:
Category : Spectral energy distribution
Languages : en
Pages : 134
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Book Description
Author: Charles E. Long
Publisher:
ISBN:
Category : Spectral energy distribution
Languages : en
Pages : 0
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Book Description
Author: Charles E. Long
Publisher: Forgotten Books
ISBN: 9780428600181
Category : Science
Languages : en
Pages : 138
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Book Description
Excerpt from Storm Evolution of Directional Seas in Shallow Water Ocean wind waves are among the dominant forcing mechanisms for near shore dynamic processes. Of the broad suite of possible wave regimes, those associated with high energy are most important for engineering design. High energy waves produce the most rapid changes in natural or renourished beach morphologies and are most likely, by definition, to exceed the strength or elevation of a coastal protective structure, resulting in costly damage or execs sive overtopping. Complete knowledge of the types of extremely energetic natural wind wave fields that are incident on the nearshore is thus rather critical for efficient design of coastal engineering projects. A complete wave field definition describes the way in which wave energy is distributed in both frequency and direction. Because of the difficulty in making high-resolution measurements of wave energy distributions, early engineering guidance treated a given sea state as consisting of a train of waves at a single frequency traveling in a single direction. While most wave fields are more complicated than this, there persists much guidance based on unidi rectional, monochromatic waves, as evidenced in the Shore Protection Manual (sfm Advances in time series measurement and efficient analysis in the last three decades have provided considerable knowledge of the frequency distributions of wave energy, enabling the development of good theoretical models and improved physical models of wave processes with a consequent improvement in engineering guidance. Detailed measurements of wave direction are more difficult. Only within the last decade have practical methods of directional wave measurement been available, and these are still expensive and logistically demanding. Until very recently, there were no long-term observations from which to extract the directional character of nearshore seas with any statistical confidence. To alleviate this lack of knowledge, the Field Research Facility (frf) of the u.s. Army Engineer Waterways Experiment Station, Coastal Engineering Research Center, deployed a high-resolution directional wave gauge at its site near Duck, nc, in September 1986. Measurements covering a 5-year period, lasting through August 1991, enable considerable clarification of the direc tional nature of incident wind waves at this site. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Charles Edward Long
Publisher:
ISBN:
Category : Ocean waves
Languages : en
Pages : 136
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 364
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Author:
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 114
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Author:
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 150
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Book Description
Author: Jane Mckee Smith
Publisher: World Scientific
ISBN: 9814486973
Category : Technology & Engineering
Languages : en
Pages : 4007
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Book Description
This book contains more than 300 papers presented at the 28th International Conference on Coastal Engineering, held in Cardiff, Wales, in July 2002. It is divided into five parts: coastal waves; nearshore currents, swash, and long waves; coastal structures; sediment transport; and coastal morphology, beach nourishment, and coastal management. The papers cover a broad range of topics, including theory, numerical and physical modeling, field measurements, case studies, design, and management. Coastal Engineering 2002 provides engineers, scientists, and planners with state-of-the-art information on coastal engineering and coastal processes.
Author:
Publisher:
ISBN:
Category : Coastal engineering
Languages : en
Pages : 134
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Author: Waterways Experiment Station (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 550
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Book Description
