Interrelationships between intranarial pressure and biosonar clicks in bottlenose dolphins (Tursiops truncatus)

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dc.contributor.advisorEvans, William E.
dc.contributor.committeeMemberRidgway, Sam H.
dc.contributor.committeeMemberNeill, William H.
dc.contributor.committeeMemberDavis, Randall W.
dc.contributor.committeeMemberLevine, Daniel S.
dc.contributor.committeeMemberCranford, Ted W.
dc.creatorElsberry, Wesley Royce
dc.date.accessioned2004-09-30T02:10:49Z
dc.date.available2004-09-30T02:10:49Z
dc.date.created2003-08
dc.date.issued2004-09-30
dc.description.abstractRecent advances in technology permitted the first simultaneous digital recording of intranarial pressure and on-axis acoustic data from bottlenose dolphins during a biosonar target recognition task. Analysis of pressurization events in the intranarial space quantifies and supports earlier work, confirming that intranarial pressure is increased when whistle vocalizations are emitted. The results show complex relationships between various properties of the biosonar click to the intranarial pressure difference at the time it was generated. The intranarial pressure that drives the production of clicks is not the primary determinant of many of the acoustic properties of those clicks. A simple piston-cylinder physical model coupled with a sound production model of clicks produced at the monkey-lips/dorsal bursae complex yields an estimate of mechanical work for individual pressurization events. Individual pressurization events are typically associated with a single click train. Mechanical work for an average pressurization event is estimated at 10 Joules.en
dc.format.digitalOriginborn digitalen
dc.format.extent6647110 bytesen
dc.format.extent238899 bytesen
dc.format.mediumelectronicen
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.identifier.urihttps://hdl.handle.net/1969.1/554
dc.language.isoen_US
dc.publisherTexas A&M University
dc.subjectdolphinsen
dc.subjectbiosonaren
dc.subjectclicksen
dc.subjectbioenergeticsen
dc.titleInterrelationships between intranarial pressure and biosonar clicks in bottlenose dolphins (Tursiops truncatus)en
dc.typeBooken
dc.typeThesisen
dc.type.genreElectronic Dissertationen
dc.type.materialtexten
thesis.degree.departmentWildlife and Fisheries Sciencesen
thesis.degree.disciplineWildlife and Fisheries Sciencesen
thesis.degree.grantorTexas A&M Universityen
thesis.degree.levelDoctoralen
thesis.degree.nameDoctor of Philosophyen

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