Výsledky vyhľadávania - "GEOID"

Geoid determination using airborne gravity vectors.

Autori: Goli, Mehdi Foroughi, Ismael Pagiatakis, Spiros a ďalší

Zdroj: Earth, Planets & Space. 10/25/2025, Vol. 77 Issue 1, p1-20. 20p.

Predmety: *GEOID, *GRAVIMETRY, *GRAVITATIONAL potential, *BOUNDARY value problems

Evaluation of a Soviet-Era Gravimetric Survey Using Absolute Gravity Measurements and Global Gravity Models: Toward the First National Geoid of Kazakhstan.

Autori: Shoganbekova, Daniya Urazaliyev, Asset Sermiagin, Roman a ďalší

Zdroj: Geosciences (2076-3263). Oct2025, Vol. 15 Issue 10, p404. 17p.

Predmety: *GEOID, *GRAVIMETRIC analysis, *GEOSPATIAL data, *GRAVIMETRY, *GRAVITY anomalies

Geografický termín: KAZAKHSTAN

Geoid determination using airborne vector gravimetry: Insights from a real dataset.

Autori: Foroughi, Ismael Goli, Mehdi Ferguson, Stephen a ďalší

Zdroj: Studia Geophysica & Geodaetica. Oct2025, Vol. 69 Issue 2, p101-117. 17p.

Predmety: *GEOID, *TIKHONOV regularization, *MEASUREMENT uncertainty (Statistics), *GRAVITATIONAL fields, *NUMERICAL integration, *GEODESY

A conversion of the geoid to the quasigeoid at the Hong Kong territories

Autori: Nsiah Ababio, Albertini Foroughi, Ismael Tenzer, Robert a ďalší

Zdroj: Applied Geomatics. 16(3):471-483

Predmety: Geodetic vertical datum, Geoid, Geoid-to-quasigeoid separation, Height, Levelling, Quasigeoid

Popis súboru: print

Prístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-366611
https://doi.org/10.1007/s12518-024-00562-x

Investigations on different spectral techniques to improve the gravimetric geoid model for the central part of Java, Indonesia, using terrestrial, airborne, and altimetric-based gravity observations.

Autori: Bramanto, Brian Lestari, Rahayu Pahlevi, Arisauna M. a ďalší

Zdroj: Journal of Applied Geodesy. Sep2025, p1. 26p. 19 Illustrations.

Predmety: *GEOID, *FAST Fourier transforms, *GEODESY, *TIME-frequency analysis, *INDONESIANS, *SATELLITE positioning, *GRAVIMETRY

Geografický termín: INDONESIA, JAVA (Indonesia)

Consistent determination of the gravimetric geoid and orthometric height.

Autori: Tenzer, Robert Novák, Pavel

Zdroj: Journal of Geodesy. Aug2025, Vol. 99 Issue 8, p1-33. 33p.

Predmety: *GEOID, *GRAVITY, *GEODETIC observations, *DENSITY, *SEA level, *QUANTITATIVE research, *GEOSPATIAL data, *TOPOGRAPHIC maps

Temporal variations of the geoid and dynamic maintenance of height reference frame using surface mass loading and GRACE/GRACE-FO data.

Autori: Xu, Pengfei Jiang, Tao Zhang, Chuanyin a ďalší

Zdroj: Geophysical Journal International. Aug2025, Vol. 242 Issue 2, p1-16. 16p.

Predmety: *GEOID, *SPATIOTEMPORAL processes, *APPLIED sciences, *ARTIFICIAL satellites, *GEOPHYSICAL observations, *ARTIFICIAL satellites in navigation

Geografický termín: BEIJING (China)

Formulating a Theoretical Model for Gravity on the Clarke-1880 Ellipsoid to Determine Practical Local-Geoid Models

Autori: Eteje, Sylvester O. Oburo, Anthony C. Ifuwe, Christabel C. a ďalší

Zdroj: Caliphate Journal of Science and Technology; Vol. 7 No. 2 (2025); 194-200

Predmety: Clarke 1880, theoretical gravity, model, gravimetric, local geoid, ellipsoid

Popis súboru: application/pdf

Prístupová URL adresa: https://www.ajol.info/index.php/cajost/article/view/302603

Airborne Gravity Data Reconstruction Strategies for Geoid Optimization in Peninsular Malaysia.

Autori: Zamri, A. N. M. Pa'suya, M. F. Din, A. H. Md. a ďalší

Zdroj: International Journal of Geoinformatics. Jun2025, Vol. 21 Issue 6, p90-104. 15p.

Predmety: *STANDARD deviations, *GEOID, *GRAVITY, *TOPOGRAPHY, *ALTITUDES

Geografický termín: MALAYA

Assessment of temporal variations of geoid, ellipsoidal and orthometric heights at proposed IHRF sites using space geodetic data.

Autori: Godah, Walyeldeen Yadeta, Samuel Milki Szelachowska, Malgorzata a ďalší

Zdroj: Journal of Applied Geodesy. May2025, p1. 17p. 15 Illustrations.

Predmety: *GEOID, *HEIGHT measurement, *GEODETIC observations, *SEASONAL temperature variations, *GLOBAL Positioning System, *ARTIFICIAL satellites

Investigating the efficacy of KTH and GRAVSOFT method for geoid modelling in the Indian region.

Autori: Kumar, Alok Maurya, Vipin Kumar Dwivedi, Ramji

Zdroj: Survey Review. May2025, p1-14. 14p. 7 Illustrations.

Predmety: *GEOID, *TOPOGRAPHY, *GRAVIMETRY, *HEIGHT measurement, *SATELLITE positioning, *ALTITUDE measurements

Geografický termín: INDIA

Contribution of the global geopotential models on gravimetric geoid determination: a case study of Colorado, USA.

Autori: Yilmaz, Nazan Çakir, Leyla

Zdroj: Survey Review. May2025, Vol. 57 Issue 402, p292-300. 9p.

Predmety: *GRAVITY anomalies, *GEOID, *LEAST squares, *TECHNICAL institutes

Evaluation and homogenization of a marine gravity database from shipborne and satellite altimetry-derived gravity data over the coastal region of Nigeria.

Autori: Bako, Michael Kusche, Jürgen

Zdroj: Journal of Applied Geodesy. Apr2025, Vol. 19 Issue 2, p175-189. 15p.

Predmety: *GRAVIMETRY, *GEOID, *DATABASES, *GRAVITY

Geografický termín: NIGERIA

First look inside the gravity field of Montenegro.

Autori: Joksimović, Danilo S. Odalović, Oleg R.

Zdroj: Survey Review. Mar2025, p1-11. 11p. 11 Illustrations.

Predmety: *GRAVITY anomalies, *GEOID, *GRAVITY, *COUNTRIES

Combined effects of terrain corrections and deterministic modifiers on the Stokes-Helmert geoid over sophisticated topography.

Autori: Abbak, Ramazan Alpay Goyal, Ropesh Ustun, Aydin a ďalší

Zdroj: Acta Geodaetica et Geophysica. Mar2025, Vol. 60 Issue 1, p29-51. 23p.

Predmety: *GRAVITY anomalies, *GEOID, *KERNEL functions, *TOPOGRAPHY, *GRAVITY

Impact of the UNB topographical density model on precise geoid determination in the high mountainous region.

Autori: Yilmaz, Nazan¹ (AUTHOR) n_berber@ktu.edu.tr

Zdroj: Survey Review. Jan2025, Vol. 57 Issue 400, p65-72. 8p.

Predmety: *RELIEF models, *GEOID, *GRAVITY, *TOPOGRAPHY, *DENSITY

Combination of Soviet-Era Surface Gravity and Modern Satellite Data for Geoid Model Computation: A Case Study for Kazakhstan.

Autori: Shoganbekova, Daniya Urazaliyev, Asset Nurakynov, Serik a ďalší

Zdroj: Computation; Nov2025, Vol. 13 Issue 11, p260, 21p

Predmety: GEOID, GEOSPATIAL data, STATISTICAL reliability, SURVEYING (Engineering)

Geografický termín: KAZAKHSTAN

Impact of SRTM and ASTER Terrain Models on Geoid Determination: A Case Study in the High‐Mountainous Region.

Autori: Cakir, Leyla

Zdroj: Earth & Space Science; Oct2025, Vol. 12 Issue 10, p1-11, 11p

Predmety: ASTER (Advanced spaceborne thermal emission & reflection radiometer), SHUTTLE Radar Topography Mission, GEOID, GRAVITY anomalies, STATISTICAL accuracy, RELIEF models, ALTITUDES, DIGITAL elevation models

Geografický termín: COLORADO

Use of laterally varying crustal density in gravity interpolation at large data gaps: experiment for the continent Africa.

Autori: Abd-Elmotaal, Hussein A. Seitz, Kurt Kühtreiber, Norbert a ďalší

Zdroj: Studia Geophysica & Geodaetica; Oct2025, Vol. 69 Issue 2, p177-194, 18p

Predmety: INTERPOLATION, GRAVITY anomalies, CONTINENTS, GEOLOGICAL formations, GEOID, RELIEF models, PROBABILITY density function

Geografický termín: AFRICA

Methodology for optimizing heights in the Amsterdam system based on regional and global geoid/quasi-geoid models

Autori: Alina Fedorchuk Bohdan Dzhuman Mykhailo Forostyna

Zdroj: Geodesy and Geodynamics, Vol 16, Iss 6, Pp 746-755 (2025)

Predmety: Height system, Height anomaly, Geoid height, Regional model, Global model, Geodesy, QB275-343, Geophysics. Cosmic physics, QC801-809

Popis súboru: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S1674984725000497; https://doaj.org/toc/1674-9847

Prístupová URL adresa: https://doaj.org/article/851b9cd84474457d8760848e63d95dc4