Development of a gravimetric geoid for New Zealand and a single national vertical datum

New Zealand, unlike most countries, does not have a single national vertical datum. Instead, twelve separate and poorly linked primary levelling networks tied to twelve different tide gauges are used. The current vertical datums are based on the false assumption that mean sea level, measured at the...

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Bibliographic Details
Main Authors: Amos, Matthew, Featherstone, Will
Other Authors: I N Tziavos
Format: Conference Paper
Published: Ziti Editions 2003
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/12609