Relevant bibliographies by topics / Gravimetric geoid height

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Gravimetric geoid height'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Gravimetric geoid height"

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Sjöberg, Lars E. "On the topographic bias and density distribution in modelling the geoid and orthometric heights." Journal of Geodetic Science 8, no. 1 (2018): 30–33. http://dx.doi.org/10.1515/jogs-2018-0004.

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Abstract It is well known that the success in precise determinations of the gravimetric geoid height (N) and the orthometric height (H) rely on the knowledge of the topographic mass distribution. We show that the residual topographic bias due to an imprecise information on the topographic density is practically the same for N and H, but with opposite signs. This result is demonstrated both for the Helmert orthometric height and for a more precise orthometric height derived by analytical continuation of the external geopotential to the geoid. This result leads to the conclusion that precise gra
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Zablotskyi, F., V. Maksymchuk, and B. Dzhuman. "On the construction of gravimetric geoid model on the Lviv region area." Geofizicheskiy Zhurnal 44, no. 1 (2022): 124–30. http://dx.doi.org/10.24028/gzh.v44i1.253714.

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Baltic Height System 1977, currently used in Ukraine, the starting point of which is the zero of the Kronstadttide-gauge, isobsoletedue to the great distance from the zero-point of the reference height and the difficulty of adapting satellite methods of geodesy. For the successful modernization of the height system of Ukraine, it is necessary to integrate it into the United European Leveling Network (UELN). For the full functioning of any modern height system, namely to determine the gravity-depend heights by satellite methods, it is necessary to operate with a high-precision geoid model. Ther
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ETEJE, S. O., O. F. ODUYEBO, and S. A. OLULADE. "Procedure for the Determination of Local Gravimetric-Geometric Geoid Model." International Journal of Advances in Scientific Research and Engineering (ijasre) 4, no. 8 (2018): 206–14. https://doi.org/10.5281/zenodo.2525708.

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As the surface adopted for geodetic computation is a mathematical surface which is different from the physical surface, the geoid adopted as a reference for the vertical coordinate system, the ellipsoidal heights obtained from GPS observation are transformed to practical heights known as orthometric heights. The transformation of the ellipsoidal heights to orthometric heights requires the knowledge of the geoid-ellipsoid separation at the point of observation. Since the geometric method requires the computation of geoid heights of points from GPS observation and geodetic leveling carried out o
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Sjöberg, Lars E. "Geoid model validation and topographic bias." Journal of Geodetic Science 12, no. 1 (2022): 38–41. http://dx.doi.org/10.1515/jogs-2022-0133.

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Abstract Recently a number of geoid campaigns were performed to verify different types of geoid and quasigeoid modeling techniques. Typically, GNSS-leveling was employed as an independent method, but in some cases zenith camera astronomic deflection data were also used in astrogeodetic determinations of the geoid and/or quasigeoid. However, due to the uncertainty in the topographic density distribution data (and thereby in orthometric heights), we conclude that neither GNSS-leveling nor astrogeodetic techniques can reliably verify differences between gravimetric geoid models at several centime
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Osman, Anas Sharafeldin Mohamed, and Ira Mutiara Anjasmara. "Determination of a new gravimetric geoid modelling for Sudan using the least-squares collocation technique." IOP Conference Series: Earth and Environmental Science 1127, no. 1 (2023): 012014. http://dx.doi.org/10.1088/1755-1315/1127/1/012014.

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Abstract The main purpose of this study is to compute a new gravimetric geoid model for Sudan by using the least-square collocation technique (LSC method) and applying the remove-compute-restore (RCR) technique. The computation of the model contains different datasets which are the gravity contribution of the model GO_CONS_GCF_2_TIM_R6e degree/order 300, BGI free-air gravity dataset in Sudan, GPS/levelling data, and high-resolution topographic information from ASTER digital elevation model. The “residual gravity anomalies” were run through the GEOCOL program using the GRAVSOFT software package
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ABD-ELMOTAAL, Hussein, and Atef MAKHLOOF. "Two alternative techniques for fitting the gravimetric geoid for Egypt." Contributions to Geophysics and Geodesy 53, no. 4 (2023): 377–98. http://dx.doi.org/10.31577/congeo.2023.53.4.4.

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In this paper, two proposed geoid fitting techniques for Egypt's gravimetrically determined geoid and Global Positioning System GPS/levelling-derived geoid are introduced. First, any errors in the available GPS stations are ruled out. These methods rely on the absolute geoid difference, which is the gravimetric geoid height minus the geoid obtained through comparing GPS and levelling. The suggested geoid fitting techniques use an optimization algorithm scheme to choose the minimum number of the best-suited GPS stations to be used for fitting the gravimetric geoid. The least-squares collocation
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ETEJE, S. O., M. N. ONO, and O. F. ODUYEBO. "Practical Local Geoid Model Determination for Mean Sea Level Heights of Surveys and Stable Building Projects." IOSR Journal of Environmental Science, Toxicology and Food Technology (IOSR-JESTFT) 12, no. 6 (2018): 30–37. https://doi.org/10.5281/zenodo.2525661.

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A local geoid model for Evboriaria, Benin City using the geometric (GPS/Levelling) method was determined for calculation of mean sea level heights. Fifty points were established for the model and ten points were used for interpolation. The geoid heights were determined by finding the difference between the observed orthometric heights and the ellipsoidal heights. The polynomial regression model D was used for the interpolation of the orthometric heights. The computed mean standard deviation between the observed orthometric heights and the interpolated orthometric heights was ± 21cm. A m
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Jürgenson, Harli, Kristina Türk та Jüri Randjärv. "DETERMINATION AND EVALUATION OF THE ESTONIAN FITTED GEOID MODEL EST-GEOID 2003 / ESTIJOS GEOIDO MODELIO EST-GEOID 2003 SUDARYMAS IR VERTINIMAS / СОЗДАНИЕ И ОЦЕНКА МОДЕЛИ ГЕОИДА ЭСТОНИИ EST-GEOID2003". Geodesy and Cartography 37, № 1 (2011): 15–21. http://dx.doi.org/10.3846/13921541.2011.558339.

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This paper focuses on issues related to the calculation of a high-precision fitted geoid model on Estonian territory. Model Est-Geoid2003 have been used in Estonia several years in geodesy and other applications. New data from precise levelling, new global models and terrestrial gravity data give plenty of possibilities for updates and accuracy evaluation. The model is based on a gravimetric geoid. From the gravimetric data gathered, a gravimetric geoid for Estonia was calculated as an approximately 3-km net using the FFT method. After including the new gravimetric data gathered, the gravimetr
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Lukoševičius, Viktoras. "DFHRS-BASED COMPUTATION OF QUASI-GEOID OF LATVIA." Geodesy and Cartography 39, no. 1 (2013): 11–17. http://dx.doi.org/10.3846/20296991.2013.788827.

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In geodesy, civil engineering and related fields high accuracy coordinate determination is needed, for that reason GNSS technologies plays important role. Transformation from GNSS derived ellipsoidal heights to orthometric or normal heights requires a high accuracy geoid or quasi-geoid model, respectively the accuracy of the currently used Latvian gravimetric quasi-geoid model LV'98 is 6–8 cm. The objective of this work was to calculate an improved quasi-geoid (QGeoid) for Latvia. The computation was performed by applying the DFHRS software. This paper discusses obtained geoid height reference
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Ramdani, D., A. N. Safi’i, P. Hartanto, N. Oktaviani, and M. I. Hariyono. "Verification of the Jakarta Geoid Model from the Gravity Data of 2.5 km Resolution with Gravimetric Geoid." IOP Conference Series: Earth and Environmental Science 873, no. 1 (2021): 012045. http://dx.doi.org/10.1088/1755-1315/873/1/012045.

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Abstract To use the Global Navigation Satellite System (GNSS) correctly, the height information should be transformed into orthometric height by subtracting geoid undulation from it. This orthometric height is commonly used for practical purposes. In 2015 geoid of Jakarta has been produced, and it has an accuracy of 0.076 m. In the year 2019, airborne gravimetry has been done for the entire Java Island. The area of DKI Province cannot be measured because there is inhibition from Airnav. For this reason, terrestrial gravimetric measurements are carried out in this region by adding points outsid
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Dissertations / Theses on the topic "Gravimetric geoid height"

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Ssengendo, Ronald. "A height datum for Uganda based on a gravimetric quasigeoid model and GNSS/levelling." Doctoral thesis, KTH, Geodesi och satellitpositionering, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-172547.

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This study is devoted to the determination of a high resolution gravimetric geoid model for Uganda based on the optimal combination of terrestrial and satellite gravity anomalies using the method of Least Squares Modification of Stokes’ formula with additive corrections. Specifically the study investigates the current status of the existing Uganda Vertical Network relative to the requirements of a modern height datum and includes a detailed evaluation and validation of terrestrial gravity data, several digital elevation models and some recent global geopotential models. Finally a new height da
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Kiamehr, Ramin. "Precise Gravimetric Geoid Model for Iran Based on GRACE and SRTM Data and the Least-Squares Modification of Stokes’ Formula : with Some Geodynamic Interpretations." Doctoral thesis, KTH, Transporter och samhällsekonomi (stängd 20110301), 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4125.

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Iran is one of the most complicated areas in the world from the view of rough topography, tectonic activity, large lateral density and geoidal height variations. The computation of a regional gravimetric geoid model with high accuracy in mountainous regions, especially with sparse data, is a difficult task that needs a special attention to obtain reliable results which can meet the needs of the today geodetic community. In this research different heterogeneous data has been used, which includes gravity anomalies, the high-resolution SRTM Digital Elevation Model (DEM), recently published GRACE
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Book chapters on the topic "Gravimetric geoid height"

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Tavasci, Luca, Enrica Vecchi, and Stefano Gandolfi. "Definition of the Local Geoid Undulation Using Non-contemporary GNSS-Levelling Data on Subsidence Area: Application on the Adriatic Coastline." In Communications in Computer and Information Science. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94426-1_19.

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AbstractThe knowledge of the so-called geoid undulation, which represents the height of the geoid above a reference ellipsoid, is a fundamental step to link ellipsoidal heights measured using satellite systems and orthometric heights. Several geoid models are available at the time both at the national or global scale, which can be used for the purpose. Another way to define the geoid undulation is to perform joint measures with GNSS and spirit levelling over common benchmarks. This requires onerous measurements that is seldom possible to perform due to their cost. In this work, we evaluated th
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Gerlach, Christian, Christian Ackermann, Reinhard Falk, Alexander Lothhammer, and Andreas Reinhold. "Gravimetric Investigations at Vernagtferner." In International Symposium on Gravity, Geoid and Height Systems 2016. Springer International Publishing, 2017. http://dx.doi.org/10.1007/1345_2017_2.

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Jin, Shuanggen, and Guiping Feng. "Global Groundwater Cycles and Extreme Events Responses Observed by Satellite Gravimetry." In Gravity, Geoid and Height Systems. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10837-7_36.

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Vajda, P., A. Ellmann, B. Meurers, P. Vaníček, P. Novák, and R. Tenzer. "Harmonic Continuation and Gravimetric Inversion of Gravity in Areas of Negative Geodetic Heights." In Gravity, Geoid and Earth Observation. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10634-7_4.

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Antokoletz, Ezequiel D., Hartmut Wziontek, and Claudia Tocho. "First Six Months of Superconducting Gravimetry in Argentina." In International Symposium on Gravity, Geoid and Height Systems 2016. Springer International Publishing, 2017. http://dx.doi.org/10.1007/1345_2017_13.

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Jensen, Tim E., J. Emil Nielsen, Arne V. Olesen, and Rene Forsberg. "Strapdown Airborne Gravimetry Using a Combination of Commercial Software and Stable-Platform Gravity Estimates." In International Symposium on Gravity, Geoid and Height Systems 2016. Springer International Publishing, 2017. http://dx.doi.org/10.1007/1345_2017_9.

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Appleby, G., V. Smith, M. Wilkinson, M. Ziebart, and S. Williams. "Comparison of Height Anomalies Determined from SLR, Absolute Gravimetry and GPS with High Frequency Borehole Data at Herstmonceux." In Gravity, Geoid and Earth Observation. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10634-7_15.

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Sjöberg, Lars E., and Majid Abrehdary. "Remarks on the Terrain Correction and the Geoid Bias." In International Association of Geodesy Symposia. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/1345_2023_191.

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AbstractThe incomplete knowledge of the topographic density distribution causes a topographic bias in all gravimetric geoid determinations. This bias becomes critical in aiming for accurate geoid models in high mountainous regions. The bias can be divided into two components: the bias of the Bouguer shell (or Bouguer plate) and that of the remaining terrain. Starting from the known (disturbing) potential at the Earth’s surface, we study the possible location of the bias caused by incomplete reduction of the terrain masses in the computational process, We show that there is no such bias for ter
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Alcaras, Emanuele, Pier Paolo Amoroso, Ugo Falchi, and Claudio Parente. "On the Accuracy of Geoid Heights Derived from Discrete GNSS/Levelling Data Using Kriging Interpolation." In International Association of Geodesy Symposia. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/1345_2022_173.

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AbstractLocal geoid models presenting higher resolution than global ones are generally derived by a combination of different datasets, integrating individual pure astrogeodetic, gravimetric and GNSS/levelling solutions. To define local geoid, different interpolators may be applied starting from dataset of geoid height values. It is well known that the accuracy of the resulting models depends not only by interpolation method, but also by points numerosity and distribution. This article aims to analyse the performance of Kriging approaches in dependence of the density of the dataset. The experim
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Natsiopoulos, D. A., E. G. Mamagiannou, A. Triantafyllou, et al. "Newly Acquired Gravity Data in Support of the GeoNetGNSS CORS Network in Northern Greece." In International Association of Geodesy Symposia. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/1345_2023_213.

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AbstractThe main purpose of the GeoNetGNSS project, funded by the European Union and National Funds through the Region of Central Macedonia (RCM), is to establish a dense network of Continuously Operating Reference Stations (CORS) in northern Greece to support geodetic, surveying, engineering, and mapping applications. A regional, high-accuracy and high-resolution gravimetric geoid model is essential for the accurate determination of physical heights from CORS so as to transform the geometric heights into orthometric ones. In that frame and given the geological complexity and topographic pecul
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Conference papers on the topic "Gravimetric geoid height"

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Puškorius, Vytautas, Eimuntas Paršeliūnas, Petras Petroškevičius, and Romuald Obuchovski. "An Analysis of Choosing Gravity Anomalies for Solving Problems in Geodesy, Geophysics and Environmental Engineering." In 11th International Conference “Environmental Engineering”. VGTU Technika, 2020. http://dx.doi.org/10.3846/enviro.2020.684.

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Gravity anomalies provide valuable information about the Earth‘s gravity field. They are used for solving various geophysical and geodetic tasks, mineral and oil exploration, geoid and quasi-geoid determination, geodynamic processes of Earth, determination of the orbits of various objects, moving in space around the Earth etc. The increasing accuracy of solving the above mentioned problems poses new requirements for the accuracy of the gravity anomalies. Increasing the accuracy of gravity anomalies can be achieved by gaining the accuracy of the gravimetric and geodetic measurements, and by imp
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Odalovic, Oleg. "TRANSFORMATION OF GRAVIMETRIC GEOID/QUASIGEOID SOLUTION IN THE SYSTEM OF ORTHOMETRIC/NORMAL HEIGHTS OF SERBIA LEVELING NETWORK." In 15th International Multidisciplinary Scientific GeoConference SGEM2015. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2015/b22/s9.074.

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