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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/3681

Authors: Al-Bayari, O.*
Al-Zoubi, A.*
Title: Preliminary study of the Gravimetric Local Geoid Model in Jordan: case study (GeoJordan Model)
Issue Date: Jun-2007
Series/Report no.: 3/50 (2007)
URI: http://hdl.handle.net/2122/3681
Keywords: Gravimetric Jordanian Geoid Model (GeoJordan)
Least Square Collocation (LSC)
Global Geopotential Model (GGM)
Global Positioning System (GPS)
undulation (N)
Abstract: Recently, there has been an increased interest in studying and defining the Local and Regional Geoid Model worldwide, due to its importance in geodetic and geophysics applications.The use of the Global Positioning System (GPS) is internationally growing, yet the lack of a Geoid Model for Jordan has limited the use of GPS for the geodetic applications in the country. This work aims to present the preliminary results that we propose for «The Gravimetric Jordanian Geoid Model (GeoJordan)». The model is created using gravimetric data and the GRAVSOFT program. The model is validated using GPS and precise level measurements in the Amman area. Moreover, we present a comparison using the Global Geopotential Model OSU91A and the EGM96 Model and the results showed great discrepancies. We also present the approach used to obtain the orthometric height from GPS ellipsoidal height measurements. We found that the error margin obtained in this work of the GeoJordan after fitting the data with GPS/leveling measurements is about (10 cm) in the tested area whereas the standard error of the created model is about (40 cm).
Appears in Collections:04.02.02. Gravity methods
Annals of Geophysics

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