In situ sensing to enable the 2010 thermodynamic equation of seawater

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dc.contributor.authorDakin, Del Thomas
dc.contributor.supervisorVagle, Svein
dc.contributor.supervisorDosso, Stanley Edward
dc.date.accessioned2017-01-03T22:42:24Z
dc.date.available2017-01-03T22:42:24Z
dc.date.copyright2016en_US
dc.date.issued2017-01-03
dc.degree.departmentSchool of Earth and Ocean Sciences
dc.degree.levelDoctor of Philosophy Ph.D.en_US
dc.description.abstractThe thermodynamic equation of seawater - 2010 (TEOS-10) is hampered by the inability to measure absolute salinity or density in situ. No new advances for in situ salinity or density measurement have taken place since the adoption of the practical salinity scale in 1978. In this thesis three possible technologies for in situ measurements are developed and assessed: phased conductivity, an in situ density sensor and sound speed sensors. Of these, only sound speed sensors showed the potential for an in situ TEOS-10 measurement solution. To be implemented, sensor response times need to be matched and the sound speed sensor accuracy must be improved. Sound speed sensor accuracy is primarily limited by the calibration reference, pure water. Test results indicate the TEOS-10 sound speed coefficients may also need to be improved. A calibration system to improve sound speed sensor accuracy and verify the TEOS-10 coefficients is discussed.en_US
dc.description.proquestcode0415en_US
dc.description.proquestcode0986en_US
dc.description.proquestemailTDakin@UVic.caen_US
dc.description.scholarlevelGraduateen_US
dc.identifier.urihttp://hdl.handle.net/1828/7713
dc.languageEnglisheng
dc.language.isoenen_US
dc.rightsAvailable to the World Wide Weben_US
dc.rights.urihttp://creativecommons.org/licenses/by-nd/2.5/ca/*
dc.subjectseawater densityen_US
dc.subjectwater densityen_US
dc.subjectacoustic impedanceen_US
dc.subjectabsolute salinityen_US
dc.subjectsound speeden_US
dc.subjectsound speed standarden_US
dc.subjectsound speed calibrationen_US
dc.subjectphased conductivityen_US
dc.subjectTEOS 10en_US
dc.titleIn situ sensing to enable the 2010 thermodynamic equation of seawateren_US
dc.typeThesisen_US

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