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Murat Mustafin and Hiba Moussa
The technology for determining a point?s coordinates on the earth?s surface using the global navigation satellite system (GNSS) is becoming the norm along with ground-based methods. In this case, determining coordinates does not cause any particular diff...
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Vassilios N. Grigoriadis, Vassilios D. Andritsanos and Dimitrios A. Natsiopoulos
Recent Digital Surface, Elevation, and Bathymetric Models (DSM/DEM/DBM) aim to provide high-resolution and accurate height and depth information needed for a variety of surveying, geodetic, geophysical, and other applications. In this study, first we aim...
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Sander Varbla
Although Northern Europe has been the target area in many regionwide geoid determination studies, the research has been land-focused, neglecting bathymetry information. With new projects, such as the Baltic Sea Chart Datum 2000, the attention is shifting...
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Jongdae Jung, Yeongjun Lee, Jeonghong Park and Tae-Kyeong Yeu
Monitoring offshore infrastructure is a challenging task owing to the harsh ocean environment. To reduce human involvement in this task, this study proposes an autonomous surface vehicle (ASV)-based structural monitoring system for inspecting power cable...
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Zhu Zhu, He Liao, Haibo Tu, Xiaochun Duan and Yanbin Zhao
Atom-interferometry gravity gradiometry has been developed as a promising technique for future gravity gradiometric missions after GOCE due to its greater sensitivity in micro-gravity environments and constant performance over the measurement bandwidth. ...
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Mohammed El-Diasty, Mosbeh R. Kaloop and Faisal Alsaaq
A traditional shore-based discrete point chart datum (CD) that represents the lowest astronomical tide (LAT) in Saudi Arabia using tide gauge data is utilized to reduce the observed depth collected from hydrographic surveying test to CD-referenced depth ...
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Norberto Alcantar-Elizondo, Ramon Victorino Garcia-Lopez, Xochitl Guadalupe Torres-Carillo and Guadalupe Esteban Vazquez-Becerra
This work shows improvements of geoid undulation values obtained from a high-resolution Global Geopotential Model (GGM), applied to local urban areas. The methodology employed made use of a Residual Terrain Model (RTM) to account for the topographic mass...
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Jisun Lee, Jay Hyoun Kwon and Yong Lee
In various surveying fields, such as public and cadaster, where the precise elevation is necessary to be determined efficiently based on Global Navigation Satellite System (GNSS).
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Serdar Erol, Emrah Özögel, Ramazan Alper Kuçak and Bihter Erol
This investigation evaluates the performance of digital terrain models (DTMs) generated in different vertical datums by aerial LiDAR and unmanned aerial vehicle (UAV) photogrammetry techniques, for the determination and validation of local geoid models. ...
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Marek Trojanowicz, Magdalena Owczarek-Wesolowska, Lubomil Pospí?il and Olgierd Jamroz
In this paper, some features of the local disturbing potential model developed by the GGI method (based on Geophysical Gravity Inversion) were analyzed. The model was developed for the area of the Western Carpathians covering the Polish?Slovak border. A ...
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