Estimation of Helmert Orthometric Heights Using Digital Barcode Levelling, Observed Gravity and Topographic Mass-Density Data Over Part of the Darling Scarp, Western Australia

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Estimation of Helmert Orthometric Heights Using Digital Barcode Levelling, Observed Gravity and Topographic Mass-Density Data Over Part of the Darling Scarp, Western Australia

The normal orthometric corrections used in the 1971 establishment of the Australian Height Datum (AHD) do not properly account for local variations in the Earth?s gravity field. Therefore, Helmert orthometric heights have been computed over a spirit-levelled height traverse over part of the Darling...

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Bibliographic Details
Main Authors:	Featherstone, Will, Allister, N.
Format:	Journal Article
Published:	Institution of Surveyors, Australia 2001
Subjects:	orthometric correction heights australian height datum
Online Access:	http://hdl.handle.net/20.500.11937/43174

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