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Marine mammals and low-frequency sound [[electronic resource] ] : progress since 1994 / / Committee to Review Results of ATOC's Marine Mammal Research Program, Ocean Studies Board, Commission on Geosciences, Environment, and Resources, National Research Council
| Marine mammals and low-frequency sound [[electronic resource] ] : progress since 1994 / / Committee to Review Results of ATOC's Marine Mammal Research Program, Ocean Studies Board, Commission on Geosciences, Environment, and Resources, National Research Council |
| Pubbl/distr/stampa | Washington, D.C., : National Academy Press, c2000 |
| Descrizione fisica | 1 online resource (159 p.) |
| Disciplina | 599.5 |
| Soggetto topico |
Marine mammals
Underwater acoustics |
| Soggetto genere / forma | Electronic books. |
| ISBN | 0-309-51533-5 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | ""Front Matter""; ""Acknowledgments""; ""Contents""; ""Executive Summary""; ""Introduction""; ""Evaluation of the Marine Mammal Research Program""; ""Assessment of Continuing Research Needs""; ""Regulatory Issues""; ""Findings and Recommendations""; ""References""; ""A Committee Biographies""; ""B Summary from NRC (1994)""; ""C Relevant U.S. Legislation and Regulations for Marine Mammals C""; ""D OSHA Regulations""; ""E Glossary of Acronyms""; ""F Species Mentioned in This Report F"" |
| Record Nr. | UNINA-9910455393503321 |
| Washington, D.C., : National Academy Press, c2000 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Marine mammals and low-frequency sound [[electronic resource] ] : progress since 1994 / / Committee to Review Results of ATOC's Marine Mammal Research Program, Ocean Studies Board, Commission on Geosciences, Environment, and Resources, National Research Council
| Marine mammals and low-frequency sound [[electronic resource] ] : progress since 1994 / / Committee to Review Results of ATOC's Marine Mammal Research Program, Ocean Studies Board, Commission on Geosciences, Environment, and Resources, National Research Council |
| Pubbl/distr/stampa | Washington, D.C., : National Academy Press, c2000 |
| Descrizione fisica | 1 online resource (159 p.) |
| Disciplina | 599.5 |
| Soggetto topico |
Marine mammals
Underwater acoustics |
| ISBN |
0-309-17230-6
0-309-51533-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | ""Front Matter""; ""Acknowledgments""; ""Contents""; ""Executive Summary""; ""Introduction""; ""Evaluation of the Marine Mammal Research Program""; ""Assessment of Continuing Research Needs""; ""Regulatory Issues""; ""Findings and Recommendations""; ""References""; ""A Committee Biographies""; ""B Summary from NRC (1994)""; ""C Relevant U.S. Legislation and Regulations for Marine Mammals C""; ""D OSHA Regulations""; ""E Glossary of Acronyms""; ""F Species Mentioned in This Report F"" |
| Record Nr. | UNINA-9910778618403321 |
| Washington, D.C., : National Academy Press, c2000 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Marine mammals and low-frequency sound [[electronic resource] ] : progress since 1994 / / Committee to Review Results of ATOC's Marine Mammal Research Program, Ocean Studies Board, Commission on Geosciences, Environment, and Resources, National Research Council
| Marine mammals and low-frequency sound [[electronic resource] ] : progress since 1994 / / Committee to Review Results of ATOC's Marine Mammal Research Program, Ocean Studies Board, Commission on Geosciences, Environment, and Resources, National Research Council |
| Pubbl/distr/stampa | Washington, D.C., : National Academy Press, c2000 |
| Descrizione fisica | 1 online resource (159 p.) |
| Disciplina | 599.5 |
| Soggetto topico |
Marine mammals
Underwater acoustics |
| ISBN |
0-309-17230-6
0-309-51533-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | ""Front Matter""; ""Acknowledgments""; ""Contents""; ""Executive Summary""; ""Introduction""; ""Evaluation of the Marine Mammal Research Program""; ""Assessment of Continuing Research Needs""; ""Regulatory Issues""; ""Findings and Recommendations""; ""References""; ""A Committee Biographies""; ""B Summary from NRC (1994)""; ""C Relevant U.S. Legislation and Regulations for Marine Mammals C""; ""D OSHA Regulations""; ""E Glossary of Acronyms""; ""F Species Mentioned in This Report F"" |
| Record Nr. | UNINA-9910828720203321 |
| Washington, D.C., : National Academy Press, c2000 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Movement of acoustic energy in the ocean / / Vladimir A. Shchurov
| Movement of acoustic energy in the ocean / / Vladimir A. Shchurov |
| Autore | Shchurov Vladimir A. |
| Pubbl/distr/stampa | Singapore : , : Springer, , [2022] |
| Descrizione fisica | 1 online resource (196 pages) |
| Disciplina | 620.25 |
| Soggetto topico |
Underwater acoustics
Underwater acoustics - Environmental aspects |
| ISBN |
9789811913006
9789811912993 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Preface by Vladimir A. Shchurov: From Publication in Russian, 2019 (Translated from the Russian) -- Acknowledgements -- From the Editor of Publication in Russian, 2019 (Translated from the Russian) -- Contents -- 1 Vector Representation of the Acoustic Field -- 1.1 Introduction -- 1.2 Scalar and Vector Characteristics of the Acoustic Field -- 1.3 Differential Phase Relationships in Complex Acoustic Vector Fields -- 1.4 Instantaneous and Average Acoustic Intensity -- 1.5 Auto- and Cross-Spectral Energy Densities -- 1.6 Frequency Coherence Function -- 1.7 Complex Intensity Vector -- 1.8 Temporal Coherence Function -- 1.9 Fourth Statistical Moment of Acoustic Intensity -- 1.10 Conclusions -- References -- 2 Theory and Technique of Vector-Phase Underwater Acoustic Measurements -- 2.1 Introduction -- 2.2 Necessity and Sufficiency of the Vector-Phase Approach in Acoustics -- 2.3 Principle of Measuring the Sound Particle Velocity in an Acoustic Wave -- 2.4 Vector Acoustic Receiver -- 2.4.1 Basic Specifications for a Vector Receiver -- 2.4.2 Piezoceramic and Electrodynamic Vector Receivers -- 2.5 Combined Acoustic Receiver -- 2.6 Combined Underwater Acoustic Receiving Systems -- 2.6.1 Features of Acoustic Measurements in the Ocean -- 2.6.2 Bottom-Mounted Combined Receiving Systems -- 2.6.3 Free-Drifting Combined Telemetry Systems -- 2.6.4 Features of Vector Receiver Suspension in Free-Drifting Receiving Systems -- 2.6.5 Vector Receiver Systems on Unmanned Underwater Vehicles (Gliders) -- 2.7 Counterparts Outside Russia -- 2.8 Units of Measurement and Relative Levels of Measured Values -- 2.9 Conclusions -- References -- 3 Phenomenon of Compensation of Intensities of Reciprocal Energy Fluxes -- 3.1 Introduction -- 3.2 Experimental Observations of Intensity Compensation -- 3.2.1 Design of Experiment in the Deep Open Ocean.
3.2.2 Example of Vertical Compensation of Tone Signal and Underwater Ambient Noise Along the Z Axis -- 3.2.3 Example of Horizontal Compensation in the Shallow Water Waveguide -- 3.3 Compensation of Intensity Over a Broadband of Signal and Dynamic Underwater Acoustic Noise in the Deep Open Ocean -- 3.3.1 Experimental Setup and Technique -- 3.3.2 Research Results -- 3.4 Conclusions -- References -- 4 Vortices of Acoustic Intensity Vector in the Shallow Water Waveguide -- 4.1 Introduction -- 4.2 Fundamental Relationships -- 4.2.1 Acoustic Pressure, Particle Velocity, Intensity Vector -- 4.2.2 Vector-Phase Characteristics of the Acoustic Field -- 4.2.3 Energy Streamlines -- 4.2.4 Vortex Generation Mechanism -- 4.3 Vortex Structure of the Interference Field in a Shallow Water Waveguide -- 4.3.1 Mathematical Processing of Vector Acoustic Signal -- 4.3.2 Modes and Vortices -- 4.4 Dynamics of Local Vortices -- 4.4.1 Properties of the Vector Field in the Region of Destructive Interference -- 4.4.2 Vortex of the Acoustic Intensity Vector as a Real Physical Object -- 4.5 Conclusions -- References -- 5 Observing Weak Signal in Diffuse, Partially Coherent and Coherent Acoustic Noise -- 5.1 Introduction -- 5.2 Noise Immunity of an Individual Combined Receiver in the Case of a Tonal Signal -- 5.3 Noise Immunity in the Case of a Broadband Signal -- 5.4 Vector-Phase Passive Acoustic Sonar -- 5.4.1 Operating Principle of the Passive Sonar -- 5.4.2 Sonar Data Processing Sequence -- 5.4.3 Fourier and Hilbert Signal Processing Sequences -- 5.5 Conclusions -- References -- 6 Vector-Phase Experimental Technique, Expeditions, Conferences -- 6.1 Field Research -- 6.1.1 R/V Callisto Cruise. Kuril-Kamchatka Chain. May-June 1979 -- 6.1.2 Northwestern and Central Pacific. R/V Balkhash Cruise. 1983 -- 6.1.3 Northwestern and Central Pacific. Indian Ocean. R/V Akademik Vinogradov. 1990 -- 6.2 Shallow Water Acoustic Research Coastal Expeditions -- 6.3 International Relations -- 6.3.1 People's Republic of China -- 6.3.2 USA and UK -- 6.4 Promising Areas -- 6.4.1 Low-Frequency Acoustic Intensity Interferometer. Investigation of Coherent Properties of Acoustic Intensity in Spatially Distanced Points of Acoustic Field Using the Correlation Theory of Coherence -- 6.4.2 Vector Geophone. Acoustic Studies at the Water-Bottom Interface of the Shallow Water Waveguide -- Appendix A Monochromatic Acoustic Vector Field. Fundamental Relationships -- A.1 Introduction -- A.1.1 Complex Description of Harmonic Vector Acoustic Fields -- A.1.2 Plane and Spherical Waves -- A.1.3 Analytic Signal -- A.1.4 Spectral Density of the Analytic Signal. Hilbert Transform -- A.1.5 Differential Vector Field Relations -- Appendix B Fourth Statistical Moment of the Acoustic Vector Field -- Appendix C Some International Publications (Patents and Articles) On Vector Acoustics in the Past Two Decades -- Bibliography. |
| Record Nr. | UNINA-9910574050503321 |
Shchurov Vladimir A.
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| Singapore : , : Springer, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Movement of acoustic energy in the ocean / / Vladimir A. Shchurov
| Movement of acoustic energy in the ocean / / Vladimir A. Shchurov |
| Autore | Shchurov Vladimir A. |
| Pubbl/distr/stampa | Singapore : , : Springer, , [2022] |
| Descrizione fisica | 1 online resource (196 pages) |
| Disciplina | 620.25 |
| Soggetto topico |
Underwater acoustics
Underwater acoustics - Environmental aspects |
| ISBN |
9789811913006
9789811912993 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Preface by Vladimir A. Shchurov: From Publication in Russian, 2019 (Translated from the Russian) -- Acknowledgements -- From the Editor of Publication in Russian, 2019 (Translated from the Russian) -- Contents -- 1 Vector Representation of the Acoustic Field -- 1.1 Introduction -- 1.2 Scalar and Vector Characteristics of the Acoustic Field -- 1.3 Differential Phase Relationships in Complex Acoustic Vector Fields -- 1.4 Instantaneous and Average Acoustic Intensity -- 1.5 Auto- and Cross-Spectral Energy Densities -- 1.6 Frequency Coherence Function -- 1.7 Complex Intensity Vector -- 1.8 Temporal Coherence Function -- 1.9 Fourth Statistical Moment of Acoustic Intensity -- 1.10 Conclusions -- References -- 2 Theory and Technique of Vector-Phase Underwater Acoustic Measurements -- 2.1 Introduction -- 2.2 Necessity and Sufficiency of the Vector-Phase Approach in Acoustics -- 2.3 Principle of Measuring the Sound Particle Velocity in an Acoustic Wave -- 2.4 Vector Acoustic Receiver -- 2.4.1 Basic Specifications for a Vector Receiver -- 2.4.2 Piezoceramic and Electrodynamic Vector Receivers -- 2.5 Combined Acoustic Receiver -- 2.6 Combined Underwater Acoustic Receiving Systems -- 2.6.1 Features of Acoustic Measurements in the Ocean -- 2.6.2 Bottom-Mounted Combined Receiving Systems -- 2.6.3 Free-Drifting Combined Telemetry Systems -- 2.6.4 Features of Vector Receiver Suspension in Free-Drifting Receiving Systems -- 2.6.5 Vector Receiver Systems on Unmanned Underwater Vehicles (Gliders) -- 2.7 Counterparts Outside Russia -- 2.8 Units of Measurement and Relative Levels of Measured Values -- 2.9 Conclusions -- References -- 3 Phenomenon of Compensation of Intensities of Reciprocal Energy Fluxes -- 3.1 Introduction -- 3.2 Experimental Observations of Intensity Compensation -- 3.2.1 Design of Experiment in the Deep Open Ocean.
3.2.2 Example of Vertical Compensation of Tone Signal and Underwater Ambient Noise Along the Z Axis -- 3.2.3 Example of Horizontal Compensation in the Shallow Water Waveguide -- 3.3 Compensation of Intensity Over a Broadband of Signal and Dynamic Underwater Acoustic Noise in the Deep Open Ocean -- 3.3.1 Experimental Setup and Technique -- 3.3.2 Research Results -- 3.4 Conclusions -- References -- 4 Vortices of Acoustic Intensity Vector in the Shallow Water Waveguide -- 4.1 Introduction -- 4.2 Fundamental Relationships -- 4.2.1 Acoustic Pressure, Particle Velocity, Intensity Vector -- 4.2.2 Vector-Phase Characteristics of the Acoustic Field -- 4.2.3 Energy Streamlines -- 4.2.4 Vortex Generation Mechanism -- 4.3 Vortex Structure of the Interference Field in a Shallow Water Waveguide -- 4.3.1 Mathematical Processing of Vector Acoustic Signal -- 4.3.2 Modes and Vortices -- 4.4 Dynamics of Local Vortices -- 4.4.1 Properties of the Vector Field in the Region of Destructive Interference -- 4.4.2 Vortex of the Acoustic Intensity Vector as a Real Physical Object -- 4.5 Conclusions -- References -- 5 Observing Weak Signal in Diffuse, Partially Coherent and Coherent Acoustic Noise -- 5.1 Introduction -- 5.2 Noise Immunity of an Individual Combined Receiver in the Case of a Tonal Signal -- 5.3 Noise Immunity in the Case of a Broadband Signal -- 5.4 Vector-Phase Passive Acoustic Sonar -- 5.4.1 Operating Principle of the Passive Sonar -- 5.4.2 Sonar Data Processing Sequence -- 5.4.3 Fourier and Hilbert Signal Processing Sequences -- 5.5 Conclusions -- References -- 6 Vector-Phase Experimental Technique, Expeditions, Conferences -- 6.1 Field Research -- 6.1.1 R/V Callisto Cruise. Kuril-Kamchatka Chain. May-June 1979 -- 6.1.2 Northwestern and Central Pacific. R/V Balkhash Cruise. 1983 -- 6.1.3 Northwestern and Central Pacific. Indian Ocean. R/V Akademik Vinogradov. 1990 -- 6.2 Shallow Water Acoustic Research Coastal Expeditions -- 6.3 International Relations -- 6.3.1 People's Republic of China -- 6.3.2 USA and UK -- 6.4 Promising Areas -- 6.4.1 Low-Frequency Acoustic Intensity Interferometer. Investigation of Coherent Properties of Acoustic Intensity in Spatially Distanced Points of Acoustic Field Using the Correlation Theory of Coherence -- 6.4.2 Vector Geophone. Acoustic Studies at the Water-Bottom Interface of the Shallow Water Waveguide -- Appendix A Monochromatic Acoustic Vector Field. Fundamental Relationships -- A.1 Introduction -- A.1.1 Complex Description of Harmonic Vector Acoustic Fields -- A.1.2 Plane and Spherical Waves -- A.1.3 Analytic Signal -- A.1.4 Spectral Density of the Analytic Signal. Hilbert Transform -- A.1.5 Differential Vector Field Relations -- Appendix B Fourth Statistical Moment of the Acoustic Vector Field -- Appendix C Some International Publications (Patents and Articles) On Vector Acoustics in the Past Two Decades -- Bibliography. |
| Record Nr. | UNISA-996475870203316 |
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Shchurov Vladimir A.
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| Singapore : , : Springer, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
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Noisy Oceans : Monitoring Seismic and Acoustic Signals in the Marine Environment / / Gaye Bayrakci and Frauke Klingelhoefer, editors
| Noisy Oceans : Monitoring Seismic and Acoustic Signals in the Marine Environment / / Gaye Bayrakci and Frauke Klingelhoefer, editors |
| Edizione | [First edition.] |
| Pubbl/distr/stampa | Hoboken, NJ : , : John Wiley & Sons, Inc., , [2024] |
| Descrizione fisica | 1 online resource (283 pages) |
| Disciplina | 551.46/54 |
| Collana | Geophysical Monograph Series |
| Soggetto topico |
Underwater acoustics
Seismic waves |
| ISBN |
1-119-75092-X
1-119-75090-3 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover -- Title Page -- Copyright Page -- Contents -- List of Contributors -- Preface -- Chapter 1 An Introduction to the Ocean Soundscape -- 1.1 Introduction -- 1.2 Seismic Waves -- 1.2.1 Body Waves -- 1.2.2 Surface Waves -- 1.3 Noise Sources in the Oceans -- 1.3.1 Noise from Geological Origins (Geophony) -- 1.3.2 Noise from Biological Origins (Biophony) -- 1.3.3 Noise from Anthropogenic Origins (Anthrophony) -- 1.4 Tools for Recording Marine Noise -- 1.4.1 Ocean-Bottom Seismometers -- 1.4.2 Ocean-Bottom Nodes -- 1.4.3 Ocean-Bottom Observatories -- 1.4.4 Acoustic Doppler Current Profilers -- 1.4.5 Echosounders -- 1.4.6 Drifters and Floats -- 1.5 Common Data-Processing Methods -- 1.5.1 Time-Drift Correction -- 1.5.2 Data Reduction -- 1.5.3 Instrument Relocation through Travel-Time Analysis -- 1.5.4 Rotation for Geophone Reorientation -- 1.5.5 Converting from Counts to Physical Units -- 1.5.6 Removing the Mean from the Data Set -- 1.5.7 Frequency Spectrum, Spectrogram, and Power Spectral Density -- 1.5.8 Frequency Filtering -- 1.5.9 Polarization Analysis -- 1.6 Summary of Chapters -- 1.7 Future Developments of Acoustic Measurements in the Ocean -- References -- Chapter 2 Seismic Ambient Noise: Application to Taiwanese Data -- 2.1 Introduction -- 2.2 Background Ambient Seismic Noise in Taiwan -- 2.3 Ambient Seismic Noise Generated by Intense Storms -- 2.4 Deepsea Internal Waves Southeast of Offshore Taiwan -- 2.5 Gas Emissions at the Seafloor and "Bubble" SDEs in SW Offshore Taiwan -- 2.6 Conclusion -- Acknowledgments -- References -- Chapter 3 Seasonal and Geographical Variations in the Quantified Relationship Between Significant Wave Heights and Microseisms: An Example From Taiwan -- 3.1 Introduction -- 3.2 Method and Data Processing -- 3.2.1 Data -- 3.2.2 Method -- 3.3 Testing and Determining Parameters -- 3.4 Results and Discussion.
3.4.1 Seasonal Variation -- 3.4.2 Geographical Variation -- 3.4.3 Residual Distributions of the SHW Simulation -- 3.5 Conclusions -- Acknowledgments -- References -- Chapter 4 Listening for Diverse Signals From Emergent and Submarine Volcanoes -- 4.1 Introduction -- 4.2 Detection and Monitoring of Submarine Volcanism -- 4.2.1 Hydroacoustic Arrays -- 4.2.2 Seismometer Arrays -- 4.2.3 Cabled Systems -- 4.2.4 Limitations in Detecting Submarine Volcanism -- 4.3 Diverse Volcano Signals Recorded Underwater -- 4.3.1 Distinguishing Signal from Noise in the Ocean -- 4.3.2 High-Frequency Volcanic Signals -- 4.3.3 Low-Frequency Volcanic Signals -- 4.3.4 Volcanic Tremor Signals -- 4.3.5 Volcanic Explosion-Type Signals -- 4.3.6 Volcanic Landslide Signals -- 4.4 Conclusions -- Availability Statement -- Acknowledgments -- References -- Chapter 5 Seismic and Acoustic Monitoring of Submarine Landslides: Ongoing Challenges, Recent Successes, and Future Opportunities -- 5.1 Introduction -- 5.1.1 Recent Advances in Direct Monitoring of Submarine Landslides -- 5.1.2 Aims -- 5.2 Passive Geophysical Monitoring of Terrestrial Landslides -- 5.3 Which Aspects of Submarine Landslides Should We Be Able to Detect with Passive Systems? -- 5.4 Recent Advances and Opportunities in Passive Monitoring of Submarine Landslides -- 5.4.1 Determining the Timing and Location of Submarine Landslides at a Margin Scale Using Land-Based Seismological Networks -- 5.4.2 Quantifying Landslide Kinematics Using Hydrophones -- 5.4.3 Characterizing Landslide Run-Out to Enhance Hazard Assessments -- 5.4.4 Opportunities Using Distributed Cable-Based Sensing -- 5.5 The Application of Passive Geophysical Monitoring in Advancing Submarine Landslide Science. 5.5.1 Can Passive Seismic and Acoustic Techniques Overcome the Logistical Challenges That Have Previously Hindered the Monitoring of Submarine Landslides? -- 5.5.2 What Aspects of Submarine Landslides Can We Assess from Passive Remote Sensing Techniques, and What Needs To Be Resolved? -- 5.5.3 Suggestions for Future Directions -- 5.6 Concluding Remarks -- Acknowledgments -- References -- Chapter 6 Iceberg Noise -- 6.1 Introduction -- 6.2 Waveforms of Iceberg Noise -- 6.2.1 Iceberg Bursts -- 6.2.2 Iceberg Tremor -- 6.2.3 Iceberg Harmonic Tremor -- 6.3 Observation and Location of Iceberg Noise -- 6.3.1 Hydroacoustic Records at Long Distances -- 6.3.2 Records of Regional Hydroacoustic Networks -- 6.3.3 Seismic Records in Antarctica -- 6.4 Spatial and Temporal Variations of Iceberg Noise -- 6.5 Source Mechanisms of Iceberg Noise -- 6.6 Discussion -- 6.7 Conclusion -- Acknowledgments -- References -- Chapter 7 The Sound of Hydrothermal Vents -- 7.1 Introduction -- 7.2 Theory of Sound Production by Hydrothermal Vents -- 7.2.1 Radiation Efficiency -- 7.2.2 Monopole -- 7.2.3 Dipole -- 7.2.4 Quadrupole -- 7.2.5 Estimated Source Sound Pressure Levels -- 7.2.6 Estimated Source Spectra -- 7.3 Survey of Acoustic Measurements -- 7.3.1 Very Low Frequency (< -- 10 Hz) -- 7.3.2 Narrowband -- 7.3.3 Broadband -- 7.3.4 Tidal Variability -- 7.3.5 Summary of Acoustic Measurements -- 7.4 Other Sources of Ambient Noise -- 7.4.1 Microseisms -- 7.4.2 Local and Teleseismic Events -- 7.4.3 Biological Sources -- 7.4.4 Anthropogenic Sources -- 7.5 Measurement and Analysis Considerations -- 7.5.1 Flow Noise and Coupled Vibration -- 7.5.2 Sound Speed in Hydrothermal Fluid -- 7.5.3 Near Field vs Far Field -- 7.5.4 Hydrophone Array Measurements -- 7.6 Conclusion -- Nomenclature -- References -- Chapter 8 Atypical Signals: Characteristics and Sources of Short-Duration Events. 8.1 Introduction -- 8.2 Signal Characteristics -- 8.3 Worldwide Distribution of SDEs -- 8.4 Observations and Studies Advancing SDE Understanding -- 8.4.1 Observations from Different Types of Ocean Bottom Instruments -- 8.4.2 Continuous Long-Term, Multidisciplinary Monitoring of Gas Emissions -- 8.4.3 Correlation with Acoustic Monitoring of Gas Emissions -- 8.4.4 Correlation with Earthquakes -- 8.4.5 Correlation with Tides -- 8.4.6 Controlled in situ and Laboratory Experiments -- 8.5 Discussion of SDE Potential Sources -- 8.5.1 Biological Origin -- 8.5.2 Action of Ocean/Sea Currents -- 8.5.3 Fluids in Near-Surface Sediments -- 8.5.4 Low-Magnitude Seismicity -- 8.5.5 Source Modeling -- 8.6 Conclusion -- Acknowledgments -- References -- Chapter 9 Short-Duration Events Associated With Active Seabed Methane Venting: Scanner Pockmark, North Sea -- 9.1 Introduction -- 9.2 Scanner Pockmark Complex -- 9.3 CHIMNEY Seismic Experiment -- 9.4 Methods -- 9.5 Results -- 9.6 Discussion -- 9.6.1 Characteristics of SDEs -- 9.6.2 Spatial Distribution of SDEs -- 9.6.3 Negative Correlation with the Tide -- 9.6.4 Efficiency of SDE Detection -- 9.7 Conclusion -- Acknowledgments -- References -- Chapter 10 Ambient Bubble Acoustics: Seep, Rain, and Wave Noise -- 10.1 Introduction -- 10.2 Bubbles as Acoustic Sources -- 10.2.1 The Injection of a Gas Bubble -- 10.2.2 Bubbles as Simple Harmonic Oscillators -- 10.2.3 Minnaert Frequency -- 10.3 Subsurface Gas Release -- 10.3.1 Gas-Seep Acoustics -- 10.4 Rainfall Acoustics -- 10.5 Acoustics of Breaking Waves -- 10.6 Conclusion -- Further Reading -- Appendix -- Symbology -- References -- Chapter 11 Baleen Whale Vocalizations -- 11.1 Introduction -- 11.1.1 Marine Mammal Classification -- 11.2 Physical Description of Sound and Its Conventions -- 11.2.1 Sound Pressure Level (SPL) -- 11.2.2 Source Level (SL). 11.2.3 Whale-Sound Analysis -- 11.3 Marine Mammal Vocalizations -- 11.3.1 Sirenia and Carnivora -- 11.3.2 Toothed Whales -- 11.3.3 Baleen Whales -- 11.4 Conclusions -- Acknowledgments -- References -- Chapter 12 Tracking and Monitoring Fin Whales Offshore Northwest Spain Using Passive Acoustic Methods -- 12.1 Introduction -- 12.1.1 Passive Acoustic Monitoring -- 12.1.2 Fin Whale Vocalizations -- 12.1.3 Data Available for This Study -- 12.2 Methods -- 12.2.1 Call Detection -- 12.2.2 Delay Estimation -- 12.2.3 Localization and Tracking -- 12.2.4 Kalman Filter -- 12.3 Results -- 12.3.1 Detections -- 12.3.2 Localization -- 12.3.3 Tracking -- 12.4 Discussion -- 12.5 Conclusions -- Acknowledgments -- References -- Chapter 13 Noise From Marine Traffic -- 13.1 Introduction -- 13.2 Underwater Radiated Noise -- 13.2.1 Sources of Shipping Noise -- 13.2.2 Measuring Radiated Noise -- 13.2.3 Modeling Underwater Radiated Noise -- 13.3 Noise Mapping -- 13.3.1 Modeling Shipping Contributions -- 13.3.2 Source Properties -- 13.3.3 Acoustic Propagation -- 13.3.4 Noise-Mapping Applications -- 13.4 Conclusion -- Acknowledgments -- References -- Chapter 14 Tracking Multiple Underwater Vessels With Passive Sonar Using Beamforming and a Trajectory PHD Filter -- 14.1 Introduction -- 14.2 Narrow-Band Signal Model -- 14.3 Detection via Beamforming and CA-CFAR -- 14.3.1 CBF -- 14.3.2 CA-CFAR -- 14.4 Trajectory PHD Filter for Multiple Underwater Vessels -- 14.4.1 System Model -- 14.4.2 TPHD Filter -- 14.5 Experiments -- 14.5.1 Testing Using Numerical Simulations -- 14.5.2 Testing Using Real-World Experimental Data -- 14.6 Conclusions -- References -- Chapter 15 Deciphering the Submarine Soundscape: New Insights, Broader Implications, Future Directions -- 15.1 Introduction -- 15.2 What WAS Not Included -- 15.3 Further Information -- 15.4 Broader Context. 15.5 Future Impact and Implications. |
| Record Nr. | UNINA-9910829843203321 |
| Hoboken, NJ : , : John Wiley & Sons, Inc., , [2024] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Observations of harbor porpoise in the vicinity of acoustic alarms on a set gill net [[electronic resource] /] / by J. Laake, D. Rugh, and L. Baraff
| Observations of harbor porpoise in the vicinity of acoustic alarms on a set gill net [[electronic resource] /] / by J. Laake, D. Rugh, and L. Baraff |
| Autore | Laake Jeffrey L (Jeffrey Lee) |
| Pubbl/distr/stampa | [Seattle, Wash.] : , : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Alaska Fisheries Science Center, , [1998] |
| Descrizione fisica | 1 online resource (v, 40 pages) : illustrations, maps |
| Altri autori (Persone) |
RughDavid J
BaraffLisa Susan |
| Collana | NOAA technical memorandum NMFS-AFSC |
| Soggetto topico |
Harbor porpoise - Effect of noise on - Washington (State)
Harbor porpoise - Effect of noise on - Washington (State) - Measurement Harbor porpoise - Mortality Gillnetting - Washington (State) Underwater acoustics |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910699002003321 |
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Laake Jeffrey L (Jeffrey Lee)
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| [Seattle, Wash.] : , : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Alaska Fisheries Science Center, , [1998] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Piezoelectric Electromechanical Transducers for Underwater Sound . Part II / / Boris S. Aronov
| Piezoelectric Electromechanical Transducers for Underwater Sound . Part II / / Boris S. Aronov |
| Autore | Aronov Boris S. |
| Pubbl/distr/stampa | Brookline, MA : , : Academic Studies Press, , 2022 |
| Descrizione fisica | 1 online resource (vii, 432 pages) : illustrations |
| Disciplina | 681.2 |
| Soggetto topico |
Underwater acoustics
Piezoelectric transducers |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Piezoelectric Electromechanical Transducers for Underwater Sound, Part II |
| Record Nr. | UNINA-9910580259103321 |
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Aronov Boris S.
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| Brookline, MA : , : Academic Studies Press, , 2022 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Piezoelectric Electromechanical Transducers for Underwater Sound . Part III Calculating transducers of different types . Part IV Some aspects of transducers designing / / Boris S. Aronov
| Piezoelectric Electromechanical Transducers for Underwater Sound . Part III Calculating transducers of different types . Part IV Some aspects of transducers designing / / Boris S. Aronov |
| Autore | Aronov B. S (Boris Samuilovich) |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Boston, MA : , : Academic Studies Press, , [2022] |
| Descrizione fisica | 1 online resource (vii, 262 pages) |
| Disciplina | 681.2 |
| Soggetto topico |
Piezoelectric transducers
Underwater acoustics |
| Soggetto non controllato |
Acoustic Transduction
electroacoustics electromechanical circuits piezoelectric transducers underwater sound |
| ISBN | 1-64469-827-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Frontmatter -- PREFACE -- Table Of Contents -- Part III Calculating Transducers of Different Types -- CHAPTER 7 Cylindrical Transducers -- CHAPTER 8 Spherical Transducers -- CHAPTER 9 Flexural Plate Transducers -- CHAPTER 10 Length Expander Transducers and Their Modifications -- Part IV Some Aspects of Transducers Designing -- CHAPTER 11 Effects of Operational and Environmental Conditions -- CHAPTER 12 Hydrostatic Pressure Equalization -- CHAPTER 13 Projectors Designing Related Issues -- CHAPTER 14 Sensors Designing Related Issues -- CHAPTER 15 Combining Finite Element Analysis with Analytical Method -- Afterword -- LIST OF SYMBOLS -- APPENDIX A. Properties of Passive Materials -- APPENDIX B. Properties of Piezoelectric Ceramics -- APPENDIX C. Special Functions |
| Record Nr. | UNISA-996487161303316 |
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Aronov B. S (Boris Samuilovich)
|
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| Boston, MA : , : Academic Studies Press, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Piezoelectric Electromechanical Transducers for Underwater Sound . Part II Subsystems of the electroacoustic transducers / / Boris S. Aronov
| Piezoelectric Electromechanical Transducers for Underwater Sound . Part II Subsystems of the electroacoustic transducers / / Boris S. Aronov |
| Autore | Aronov B. S (Boris Samuilovich) |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Boston, MA : , : Academic Studies Press, , [2022] |
| Descrizione fisica | 1 online resource (444 p.) |
| Disciplina | 681.2 |
| Soggetto topico |
Piezoelectric transducers
Underwater acoustics Technology & Engineering / Acoustics & Sound |
| Soggetto non controllato |
Acoustic Transduction
electroacoustics electromechanical circuits piezoelectric transducers underwater sound |
| ISBN | 1-64469-826-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Frontmatter -- PREFACE -- TABLE OF CONTENTS -- CHAPTER 4 VIBRATION OF ELASTIC BODIES -- CHAPTER 5 ELECTROMECHANICAL CONVERSION -- CHAPTER 6 ACOUSTIC RADIATION -- LIST OF SYMBOLS -- APPENDIX A. Properties of Passive Materials -- APPENDIX B. Properties of Piezoelectric Ceramics -- APPENDIX C. Special Functions |
| Record Nr. | UNISA-996478964803316 |
|
Aronov B. S (Boris Samuilovich)
|
||
| Boston, MA : , : Academic Studies Press, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
