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Author:
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Languages : en
Pages :
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Book Description
Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Neil R. Andersen
Publisher: Plenum Publishing Corporation
ISBN:
Category : Science
Languages : en
Pages : 880
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Book Description
Author: Neil R. Andersen
Publisher:
ISBN:
Category :
Languages : en
Pages : 859
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Book Description
Author: Stanislaw R. Massel
Publisher: World Scientific
ISBN: 9789810221096
Category : Science
Languages : en
Pages : 514
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Book Description
This book is intended as a handbook for professionals and researchers in the areas of Physical Oceanography, Ocean and Coastal Engineering and as a text for graduate students in these fields. It presents a comprehensive study on surface ocean waves induced by wind, including basic mathematical principles, physical description of the observed phenomena, practical forecasting techniques of various wave parameters and applications in ocean and coastal engineering, all from the probabilistic and spectral points of view. The book commences with a description of mechanisms of surface wave generation by wind and its modern modeling techniques. The stochastic and probabilistic terminology is introduced and the basic statistical and spectral properties of ocean waves are developed and discussed in detail. The bulk of material deals with the prediction techniques for waves in deep and coastal waters for simple and complex ocean basins and complex bathymetry. The various prediction methods, currently used in oceanography and ocean engineering, are described and the examples of practical calculations illustrate the basic text. An appendix provides a description of the modern methods of wave measurement, including the remote sensing techniques. Also the wave simulation methods and random data analysis techniques are discussed. In the book a lot of discoveries of the Russian and East European scientists, largely unknown in the Western literature due to the language barrier, are referred to.
Author:
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Category :
Languages : en
Pages : 0
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Author: Robert J. Urick
Publisher:
ISBN:
Category : Sound
Languages : en
Pages : 268
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Book Description
Author: Peter C. C. Wang
Publisher:
ISBN:
Category : Bubbles
Languages : en
Pages : 62
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Book Description
Stochastic Models are developed to relate the statistics of sound speed fluctuations and bubble density variations as a function of sound frequency in the upper ocean. These predictions from the stochastic model have been compared with ocean experimental data of sound speed modulation in the frequency range 15 to 150 kHz, and show satisfactory agreement. Future experiments and further modification of this model are discussed. (Author).
Author: Neil R. Andersen
Publisher:
ISBN:
Category : Sound-waves
Languages : en
Pages : 859
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Book Description
Author: Stanislaw R. Massel
Publisher: World Scientific Publishing Company
ISBN: 9789814460118
Category : Ocean waves
Languages : en
Pages : 0
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Book Description
1. Introduction. 1.1. Waves in the ocean and their significance. 1.2. Basic assumptions on seawater and wave motion. 1.3. Methods of description of random waves -- 2. Interaction of wind and ocean waves. 2.1. Introduction. 2.2. Airflow over sea surface. 2.3. Similarity laws for wind-induced waves. 2.4. Wave energy balance in spectral form. 2.5. Generation of waves by wind -- 3. Spectral properties of ocean waves. 3.1. Introduction. 3.2. Frequency spectra of ocean waves. 3.3. Dispersion relation for ocean waves. 3.4. Directional spectral functions -- 4. Statistical properties of ocean waves. 4.1. Introduction. 4.2. Surface displacement. 4.3. Surface slopes. 4.4. Wave height. 4.5. Wave period. 4.6. Wave orbital velocities and pressure. 4.7. Wave group statistics. 4.8. Surface area of an ocean waves -- 5. Properties of breaking waves. 5.1. Introduction. 5.2. Wave breaking in deep water. 5.3. Wave breaking in shallow water -- 6. Prediction of waves in deep water. 6.1. Introduction. 6.2. Basic wave processes in deep water. 6.3. Wave prediction models -- 7. Prediction of waves in shallow water. 7.1. Introduction. 7.2. Basic wave processes in shallow water. 7.3. Wave prediction models -- 8. Freak waves. 8.1. Introduction. 8.2. Freak wave oboccurrence of freak waves. 8.4. Freak wave generation -- 9. Tsunami. 9.1. Introduction. 9.2. Tsunami generation due to earthquake. 9.3. Tsunami due to landslides. 9.4. Tsunami due to meteorites impact -- 10. Waves at islands and coral reefs. 10.1. Introduction. 10.2. Maximum wave height on shoal flat. 10.3. Sheltering of surface waves by islands. 10.4. Scattering of waves by a group of islands. 10.5. Prediction of waves on island archipelagoes. 10.6. Interaction of waves with coral reef bottoms -- 11. Waves in mangrove forests. 11.1. Introduction. 11.2. Waves in mangrove forest of constant water depth. 11.3. Waves in mangrove forest of changing water depth -- 12. Wave-induced pressure and flow in a porous bottom. 12.1. Introduction. 12.2. Wave-induced pore pressure in sea bottom. 12.3. Pore pressure in sea bottom due to wave set-up. 12.4. Experimental data on pore pressure. 12.5. Spectral properties of wave-induced pore pressure. 12.6. Ciculation in permeable rippled bed -- 13. Wave observations and long-term statistics. 13.1. Introduction. 13.2. Wave observations. 13.3. Wave geography. 13.4. Long-term statistics of sea severity -- 14. Wave measurement techniques. 14.1. Introduction. 14.2. A single point wave data. 14.3. Remote sensing techniques -- 15. Data processing and simulation techniques. 15.1. Introduction. 15.2. Data processing methods. 15.3. Numerical simulation techniques
Author: J. Gjøsaeter
Publisher: Food & Agriculture Org.
ISBN: 9789251009246
Category : Nature
Languages : en
Pages : 164
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Book Description
A fish species can be called mesopelagic if it spends the day in the mesopelagic zone. The mesopelagic zone has been defined in different ways based on depth, temperature and light regimes. For the present purpose, depth seems to be the best criterion and mesopelagic fish can thus be defined as species generally spending the day at depths between approximately 200 and 1 000 m. Generally they perform a diel migration, coming to the upper 200 m or even to the surface during the night. The present report briefly reviews the systematics ecology and life history of important groups of mesopelagic fish. Further, some methods used for abundance estimation of these fish are described and discussed. The bulk of the report reviews the present knowledge of abundance and species composition of mesopelagic fish in each of the FAO statistical areas. Although the data in most cases are few, an attempt has been made to give tentative estimates of the biomass and production in the various areas. When available, information on the life history of the most important species in each area is also given.
