On determination of the geoid from measured gradients of the Earth's gravity field potential

P Novák, M Šprlák, M Pitoňák - Earth-Science Reviews, 2021 - Elsevier
The geoid is an equipotential surface of the static Earth's gravity field which plays a
fundamental role in definition of physical heights related to the mean sea level (orthometric …

Sub-centimetre geoid

I Foroughi, P Vaníček, RW Kingdon, M Goli, M Sheng… - Journal of geodesy, 2019 - Springer
This paper represents a milestone in the UNB effort to formulate an accurate and self-
consistent theory for regional geoid determination. To get the geoid to a sub-centimetre …

[HTML][HTML] 基于向上延拓的航空重力向下解析延拓解

黄谟涛, 刘敏, 邓凯亮, 欧阳永忠, 陆秀平, 翟国君… - 地球物理学报, 2018 - html.rhhz.net
位场向下与向上延拓之间存在固有的内在联系, 向上延拓解算具有稳定可靠的优良特性,
本文据此提出了借助向上延拓信息实现航空重力向下延拓稳定解算的两种方法 …

High-precision downward continuation of the potential field based on the D-Unet network

Z Ye, Z Zhang, B Wünnemann, W Liu, H Li… - Frontiers in Earth …, 2022 - frontiersin.org
Potential field data are of great significance to the study of geological characteristics.
Downward continuation of the potential field converts potential field data from a high plane …

Analytical solution of downward continuation for airborne gravimetry based on upward continuation method

H Motao, L Min, D Kailiang, O YongZhong… - Chinese Journal of …, 2018 - dzkx.org
There exists an inherent link between upward and downward continuation of potential field
data. It is undoubted that the upward continuation procedure can give a stable and reliable …

Improvement of downward continuation values of airborne gravity data in Taiwan

Q Zhao, X Xu, R Forsberg, G Strykowski - Remote Sensing, 2018 - mdpi.com
An airborne gravity survey was carried out to fill gaps in the gravity data for the mountainous
areas of Taiwan. However, the downward continuation error of airborne gravity data is a …

The effect of the noise, spatial distribution, and interpolation of ground gravity data on uncertainties of estimated geoidal heights

M Goli, I Foroughi, P Novák - Studia Geophysica et Geodaetica, 2019 - Springer
The uncertainties of the geoidal heights estimated from ground gravity data caused by their
spatial distribution and noise are investigated in this study. To test these effects, the geoidal …

Application of the one-step integration method for determination of the regional gravimetric geoid

M Goli, I Foroughi, P Novák - Journal of geodesy, 2019 - Springer
The regional gravimetric geoid solved using boundary-value problems of the potential
theory is usually determined in two computational steps:(1) downward continuing ground …

[HTML][HTML] Evaluation and comparison of the processing methods of airborne gravimetry concerning the errors effects on downward continuation results: case studies in …

Q Zhao, G Strykowski, J Li, X Pan, X Xu - Sensors, 2017 - mdpi.com
Gravity data gaps in mountainous areas are nowadays often filled in with the data from
airborne gravity surveys. Because of the errors caused by the airborne gravimeter sensors …

The effect of noise on geoid height in Stokes-Helmert method

Y Afrasteh, A Safari, M Sheng, RW Kingdon… - … Symposium on Gravity …, 2019 - Springer
Noises are an inevitable part of gravity observations and they can affect the accuracy of the
height datum if they are not treated properly in geoid determination. To provide data for …