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dc.contributor.advisorEdwards, Robin
dc.contributor.authorSajjadi, Sajjad
dc.date.accessioned2020-08-27T20:31:54Z
dc.date.available2020-08-27T20:31:54Z
dc.date.issued2020en
dc.date.submitted2020
dc.identifier.citationSajjadi, Sajjad, Unifying the Irish Vertical Datum with the Normaal Amsterdams Peil (NAP), Trinity College Dublin. School of Natural Sciences, 2020en
dc.identifier.otherYen
dc.identifier.urihttp://hdl.handle.net/2262/93232
dc.descriptionAPPROVEDen
dc.description.abstractThe local gravity potential value on Malin-Head tide gauge station in Ireland is derived from gravimetric and geometric geoid undulations. The geometric geoid undulations are obtained from GNSS and levelling data. In contrast, the gravimetric geoid undulations are computed based upon their long-wavelength components using the GOCE gravity field model, and their short-wavelength components using the terrestrial data through the Remove-Compute-Restore technique. The potential value obtained from the combination of the satellite-only gravity field model GOCO06s up to degree/order 245, and terrestrial + EGM2008 data for the local tide-gauge station in Malin-Head, is computed as 62 636 858.273 m2/s2, and is recommended as the present best estimate value in Ireland. The local gravity potential value on Malin-Head tide gauge station differs by 0.363 m2/s2 from the gravity potential value of EGG2015, (62 636 857.91 m2/s2), and is equivalent to height differences equal to 0.034 m above Normaal Amsterdams Peil (NAP) datum.en
dc.language.isoenen
dc.publisherTrinity College Dublin. School of Natural Sciences. Discipline of Geologyen
dc.rightsYen
dc.subjectHeight System Unification, Gravimetric Geoid modelen
dc.subjectHeight Unificationen
dc.subjectGravity Potentialen
dc.subjectTide Systemen
dc.titleUnifying the Irish Vertical Datum with the Normaal Amsterdams Peil (NAP)en
dc.typeThesisen
dc.type.supercollectionthesis_dissertationsen
dc.type.supercollectionrefereed_publicationsen
dc.type.qualificationlevelDoctoralen
dc.identifier.peoplefinderurlhttps://tcdlocalportal.tcd.ie/pls/EnterApex/f?p=800:71:0::::P71_USERNAME:SAJJADISen
dc.identifier.rssinternalid219895en
dc.rights.ecaccessrightsopenAccess
dc.contributor.sponsorlimerick institute of technologyen


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