[HTML][HTML] Geoid undulation modeling through the Cokriging method–A case study of Guayaquil, Ecuador
IP Orejuela, CL González, XB Guerra, EC Mora… - Geodesy and …, 2021 - Elsevier
The determination of vertical component plays a fundamental role in the initial phase of
engineering applications. However, its acquisition is technically and economically …
engineering applications. However, its acquisition is technically and economically …
Determination of Istanbul geoid using GNSS/levelling and valley cross levelling data
Abstract The Istanbul GPS Triangulation Network (IGTN) and the Istanbul Levelling Network
(ILN), established in 2006, provide data for the determination of a local GNSS/levelling …
(ILN), established in 2006, provide data for the determination of a local GNSS/levelling …
A comparative assessment of different interpolation algorithms for prediction of GNSS/levelling geoid surface using scattered control data
S Erol, B Erol - Measurement, 2021 - Elsevier
The determination of point heights from a physical reference surface is still a challenge in
geodetic and surveying applications today. Precise geoid models are used to obtain the …
geodetic and surveying applications today. Precise geoid models are used to obtain the …
A hybrid binary grey wolf optimizer for selection and reduction of reference points with extreme learning machine approach on local GNSS/leveling geoid …
Modeling and optimization from natural phenomena and observations of the physical earth
is an extremely important issue. In the light of the developments in computer and artificial …
is an extremely important issue. In the light of the developments in computer and artificial …
Utilizing airborne LiDAR and UAV photogrammetry techniques in local geoid model determination and validation
This investigation evaluates the performance of digital terrain models (DTMs) generated in
different vertical datums by aerial LiDAR and unmanned aerial vehicle (UAV) …
different vertical datums by aerial LiDAR and unmanned aerial vehicle (UAV) …
[HTML][HTML] A scoping study on coastal vulnerability to relative sea-level rise in the Gulf of Guinea
The Gulf of Guinea's low-lying soft coastline is highly vulnerable to coastal erosion and
relative sea-level rise (rSLR). Large capital cities and core economic activities are …
relative sea-level rise (rSLR). Large capital cities and core economic activities are …
[HTML][HTML] Investigating Different Interpolation Methods for High-Accuracy VTEC Analysis in Ionospheric Research
S Doğanalp, İ Köz - Atmosphere, 2024 - mdpi.com
The dynamic structure of the ionosphere and its changes play an important role in
comprehending the natural cycle by linking earth sciences and space sciences. Ionosphere …
comprehending the natural cycle by linking earth sciences and space sciences. Ionosphere …
Application of a metaheuristic gradient‐based optimizer algorithm integrated into artificial neural network model in a local geoid modeling with global navigation …
B Konakoglu, SB Aydemir… - … : Practice and experience, 2022 - Wiley Online Library
In the present article, the efficiency of a new hybrid learning method, named artificial neural
network with gradient‐based optimizer algorithm (ANN‐GBO), is investigated to determine a …
network with gradient‐based optimizer algorithm (ANN‐GBO), is investigated to determine a …
[PDF][PDF] Geoid height computation in strip-area project by using least-squares collocation
S Doganalp - Acta Geodyn. Geomater, 2016 - researchgate.net
ABSTRACT GPS/leveling technique is the most effective engineering method for the
determination of heights and height differences. This method is based on the principal of …
determination of heights and height differences. This method is based on the principal of …
An investigation of the criteria used to select the polynomial models employed in local GNSS/leveling geoid determination studies
E Tusat, F Mikailsoy - Arabian journal of geosciences, 2018 - Springer
Ellipsoidal heights are determined with high accuracy using Global Navigation Satellite
System (GNSS) techniques. In infrastructure projects undertaken for engineering purposes …
System (GNSS) techniques. In infrastructure projects undertaken for engineering purposes …