OSGM02: A new model for converting GPS-derived heights to local height datums in Great Britain and Ireland

J.C. Iliffe; M. Ziebart; P.A. Cross; René Forsberg; Gabriel Strykowski; C.C. Tscherning

OSGM02: A new model for converting GPS-derived heights to local height datums in Great Britain and Ireland

J.C. Iliffe, M. Ziebart, P.A. Cross, René Forsberg, Gabriel Strykowski, C.C. Tscherning

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

The background to the recent computation of a new vertical datum model for the British Isles (OSGM02) is described After giving a brief description of the computational techniques and the data sets used for the derivation of the gravimetric geoid, the paper focuses on the fitting of this surface to the GPS and levelling networks in the various regions of the British Isles in such a way that it can be used in conjunction with GPS to form a replacement for the existing system of bench marks. The error sources induced in this procedure are discussed, and the theoretical basis given for the fitting procedure. Results for each major region (Great Britain, Ireland, and Northern Ireland) as well as the various independent island datums are described The problems to be expected when working between datums are discussed.

Original language	English
Journal	Survey Review
Volume	37
Issue number	290
Pages (from-to)	276-293
ISSN	0039-6265
Publication status	Published - 2003

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T1 - OSGM02: A new model for converting GPS-derived heights to local height datums in Great Britain and Ireland

AU - Iliffe, J.C.

AU - Ziebart, M.

AU - Cross, P.A.

AU - Forsberg, René

AU - Strykowski, Gabriel

AU - Tscherning, C.C.

PY - 2003

Y1 - 2003

N2 - The background to the recent computation of a new vertical datum model for the British Isles (OSGM02) is described After giving a brief description of the computational techniques and the data sets used for the derivation of the gravimetric geoid, the paper focuses on the fitting of this surface to the GPS and levelling networks in the various regions of the British Isles in such a way that it can be used in conjunction with GPS to form a replacement for the existing system of bench marks. The error sources induced in this procedure are discussed, and the theoretical basis given for the fitting procedure. Results for each major region (Great Britain, Ireland, and Northern Ireland) as well as the various independent island datums are described The problems to be expected when working between datums are discussed.

AB - The background to the recent computation of a new vertical datum model for the British Isles (OSGM02) is described After giving a brief description of the computational techniques and the data sets used for the derivation of the gravimetric geoid, the paper focuses on the fitting of this surface to the GPS and levelling networks in the various regions of the British Isles in such a way that it can be used in conjunction with GPS to form a replacement for the existing system of bench marks. The error sources induced in this procedure are discussed, and the theoretical basis given for the fitting procedure. Results for each major region (Great Britain, Ireland, and Northern Ireland) as well as the various independent island datums are described The problems to be expected when working between datums are discussed.

M3 - Journal article

SN - 0039-6265

VL - 37

SP - 276

EP - 293

JO - Survey Review

JF - Survey Review

IS - 290

ER -

OSGM02: A new model for converting GPS-derived heights to local height datums in Great Britain and Ireland

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