Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32134
Title: Deflection of the vertical components from GPS and precise leveling measurements in Hong Kong
Authors: Tse, CM
Iz, BH 
Issue Date: 2006
Publisher: American Society of Civil Engineers
Source: Journal of structural engineering, 2006, v. 132, no. 3, p. 97-100 How to cite?
Journal: Journal of structural engineering 
Abstract: Deflection of the vertical components of a station located in Hong Kong are estimated from the ellipsoidal height differences inferred from global positioning system (GPS) measurements and orthometric height differences calculated from precise leveling using a simple formulation. The agreement of the deflection of the vertical components ξ and η obtained from the experiment (–7.3±1.6, 5.3±4.3 arc seconds, respectively) with the deflection of the vertical components calculated from the EGM96 model (–7.6, and 3.2 arc seconds, respectively) show that the approach can be used at a local scale using existing leveling networks to produce a detailed map of deflection of vertical components to be used in surveying applications and also for checking the reproducibility of potential alternative solutions.
URI: http://hdl.handle.net/10397/32134
ISSN: 0733-9445
EISSN: 1943-541X
DOI: 10.1061/(ASCE)0733-9453(2006)132:3(97)
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