From geophysics to geodetic datum: updating the NZGD2000 deformation model

The deformation model is a critical component of New Zealand Geodetic Datum 2000 (NZGD2000), the official reference frame for New Zealand. The model is used to manage the relationship between the NZGD2000 and the global International Terrestrial Reference Frame (ITRF), in which precise geodetic meas...

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Veröffentlicht in:New Zealand journal of geology and geophysics 2016-01, Vol.59 (1), p.22-32
Hauptverfasser: Crook, Chris, Donnelly, Nic, Beavan, John, Pearson, Chris
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container_title New Zealand journal of geology and geophysics
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creator Crook, Chris
Donnelly, Nic
Beavan, John
Pearson, Chris
description The deformation model is a critical component of New Zealand Geodetic Datum 2000 (NZGD2000), the official reference frame for New Zealand. The model is used to manage the relationship between the NZGD2000 and the global International Terrestrial Reference Frame (ITRF), in which precise geodetic measurements are made. Consequently, the deformation model has a direct impact on NZGD2000 coordinates. With improved knowledge of the secular deformation field and models of significant earthquakes to have affected New Zealand since 2000 now being available, the decision was made to update the deformation model. At the same time, the 14-parameter transformation between ITRFs to be used in New Zealand was officially defined.
doi_str_mv 10.1080/00288306.2015.1100641
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source Royal Society of New Zealand Open Access Journals; EZB-FREE-00999 freely available EZB journals
subjects Datum
deformation model
earthquake
Earthquakes
Geophysics
ITRF
NZGD2000
Product design
reference frame
transformation
title From geophysics to geodetic datum: updating the NZGD2000 deformation model
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