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    Possible Evidence for Distortions in The Australian Height Datum in Western Australia

    146557_24765_Waahd97.pdf (61.82Kb)
    Access Status
    Open access
    Authors
    Featherstone, Will
    Stewart, Michael
    Date
    1998
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Featherstone, Will and Stewart, Michael. 1998. Possible evidence for distortions in the Australian Height Datum in Western Australia. Geomatics Research Australasia. 68: pp. 1-12.
    Source Title
    Geomatics Research Australasia
    ISSN
    13249983
    Faculty
    Department of Spatial Sciences
    Faculty of Science and Engineering
    WA School of Mines
    Remarks

    Geomantics Research Australasia has been succeeded by Journal of Spatial Science.

    URI
    http://hdl.handle.net/20.500.11937/36030
    Collection
    • Curtin Research Publications
    Abstract

    The Western Australian STATEFIX GPS network, used in conjunction with the EGM96 global geopotential model, indicates the possible presence of distortions in the Australian Height Datum (AHD) over this state. The differences between 63 STATEFIX-EGM96 and AHD heights agree well with the differences between free and fixed-network adjustments of the AHD, published by Roelse et al. (1971). The agreement between these two sources of height information suggests that the most likely source of these differences lies within the AHD due to its constraint to mean sea level at 30 tide gauges around the Australian coast.

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