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  • 2015-2019  (5)
  • 1
    Call number: 9781493931767 8 (e-book)
    Description / Table of Contents: This title brings to light the discoveries and insights into the lives of many marine species made possible over the last decade by passive acoustic recorders (PAR). Pop-ups, ARF, HARP, EAR, Bprobe, C-POD Atag, and Dtag are the acronyms of some of the many PARs that have changed our understanding of how marine animals live and strive in the ocean. Various types of PARs are used by different investigators in different areas of the world. These recorders have accumulated copious amounts of very important data, unveiling previously unknown information about large marine animals. Temporal, seasonal and spatial distribution patterns have been uncovered for many marine species. There have been many discoveries, new understandings and insights into how these animals live in and utilize the ocean and the importance of acoustics in their lives. Listening Within the Ocean summarizes these important discoveries, providing both a valuable resource for researchers and enjoyable reading for non-professionals interested in marine life.
    Type of Medium: 12
    Pages: 1 Online-Ressource (viii, 416 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 978-1-4939-3176-7 , 9781493931767
    ISSN: 2364-4915 , 2364-4923
    Series Statement: Modern acoustics and signal processing
    Language: English
    Note: Contents Introduction: Listening in the Ocean / Whitlow W.L. Au and Marc O. Lammers 2 A Review of Blue Whale Studies from HARUphones in the Pacific / Kathleen M. Stafford 3 Long-Term Monitoring of Cetaceans Using Autonomous Acoustic Recording Packages / Sean M. Wiggins and John A. Hildebrand 4 From Shrimp to Whales: Biological Applications of Passive Acoustic Monitoring on a Remote Pacific Coral Reef / Marc O. Lammers and Lisa M. Munger 5 Studying the Biosonar Activities of Deep Diving Odontocetes in Hawaii and Other Western Pacific Locations / Whitlow W.L. Au and Giacomo Giorli 6 Environmental Acoustic Recording System (EARS) in the Gulf of Mexico / George E. Ioup, Juliette W. Ioup, Natalia A. Sidorovskaia, Christopher O. Tiemann, Stan A. Kuczaj, Azmy S. Ackleh, Joal J. Newcomb, Baoling Ma, Robin Paulos, Alexander Ekimov, Grayson H. Rayborn Jr., James M. Stephens, and Arslan M. Tashmukhambetov 7 Listening to Echolocation Clicks with PODs / Nick Tregenza, Steve Dawson, Will Rayment, and Ursula Verfuss 8 PALAOA: The Perennial Acoustic Observatory in the Antarctic Ocean—Real- Time Eavesdropping on the Antarctic Underwater Soundscape / Holger Klinck, Lars Kindermann, and Olaf Boebel 9 Listening for Whales at the Station ALOHA Cabled Observatory / Julie N. Oswald, Helen Ou, Whitlow W.L. Au, Bruce M. Howe, and Fred Duennebier 10 Findings from U.S. Navy Hydrophone Ranges / David Moretti, Ronald Morrissey, Susan Jarvis, and Jessica Shaffer 11 Pinniped Sounds in the Polar Oceans / Jennifer L. Miksis-Olds, Ilse C. Van Opzeeland, Sofie M. Van Parijs, and Joshua Jones 12 Listening in the Ocean: New Discoveries and Insights on Marine Life from Autonomous Passive Acoustic Recorders / David Mann, James Locascio, and Carrie Wall 13 Passive Acoustic Monitoring in Benthic Marine Crustaceans: A New Research Frontier / Erica Staaterman 14 A Multiplatform Ultrasonic Event Recorder for Tagging, Towing, and Stationed Monitoring of Odontocetes / Tomonari Akamatsu 15 Signal Processing / David K. Mellinger, Marie A. Roch, Eva-Marie Nosal, and Holger Klinck Index
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  • 2
    Publication Date: 2022-05-25
    Description: © The Author(s), 2017. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Journal of the Acoustical Society of America 141 (2017): 4179–4187, doi: 10.1121/1.4983663.
    Description: Harbor porpoises (Phocoena phocoena) use narrow band echolocation signals for detecting and locating prey and for spatial orientation. In this study, acoustic impedance values of tissues in the porpoise's head were calculated from computer tomography (CT) scan and the corresponding Hounsfield Units. A two-dimensional finite element model of the acoustic impedance was constructed based on CT scan data to simulate the acoustic propagation through the animal's head. The far field transmission beam pattern in the vertical plane and the waveforms of the receiving points around the forehead were compared with prior measurement results, the simulation results were qualitatively consistent with the measurement results. The role of the main structures in the head such as the air sacs, melon and skull in the acoustic propagation was investigated. The results showed that air sacs and skull are the major components to form the vertical beam. Additionally, both beam patterns and sound pressure of the sound waves through four positions deep inside the melon were demonstrated to show the role of the melon in the biosonar sound propagation processes in the vertical plane.
    Description: This work was financially supported in part by the National Science Foundation of China (Grant Nos. 41276040, 11174240, 31170501, and 31070347), the Natural Science Foundation of Fujian Province of China (Grant No. 2012J06010), Ministry of Science and Technology of China (Grant No. 2011BAG07B05-3) and State Oceanic Administration of China (Grant No. 201105011-3). The Project was sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry.
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 3
    Publication Date: 2022-05-25
    Description: © The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Journal of the Acoustical Society of America 143 (2018): 2611–2620, doi: 10.1121/1.5034464.
    Description: Bottlenose dolphins project broadband echolocation signals for detecting and locating prey and predators, and for spatial orientation. There are many unknowns concerning the specifics of biosonar signal production and propagation in the head of dolphins and this manuscript represents an effort to address this topic. A two-dimensional finite element model was constructed using high resolution CT scan data. The model simulated the acoustic processes in the vertical plane of the biosonar signal emitted from the phonic lips and propagated into the water through the animal's head. The acoustic field on the animal's forehead and the farfield transmission beam pattern of the echolocating dolphin were determined. The simulation results and prior acoustic measurements were qualitatively extremely consistent. The role of the main structures on the sound propagation pathway such as the air sacs, melon, and connective tissue was investigated. Furthermore, an investigation of the driving force at the phonic lips for dolphins that emit broadband echolocation signals and porpoises that emit narrowband echolocation signals suggested that the driving force is different for the two types of biosonar. Finally, the results provide a visual understanding of the sound transmission in dolphin's biosonar.
    Description: This work was financially supported in part by the National Science Foundation of China (Grant Nos. 41276040, 11174240, 31170501, and 31070347), the Natural Science Foundation of Fujian Province of China (Grant No. 2012J06010), Ministry of Science and Technology of China (Grant No. 2011BAG07B05-3) and State Oceanic Administration of China (Grant No. 201105011-3). The role of the Office of Naval Research in supporting W.W.L.A. is also acknowledged.
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 4
    Publication Date: 2017-12-01
    Electronic ISSN: 2331-7019
    Topics: Physics
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  • 5
    Publication Date: 2015-04-09
    Electronic ISSN: 1932-6203
    Topics: Medicine , Natural Sciences in General
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