Contribution of GRAV-D airborne gravity to improvement of regional gravimetric geoid modelling in Colorado, USA

M Varga, M Pitoňák, P Novák, T Bašić - Journal of Geodesy, 2021 - Springer
This paper studies the contribution of airborne gravity data to improvement of gravimetric
geoid modelling across the mountainous area in Colorado, USA. First, airborne gravity data …

[PDF][PDF] Geoid versus quasigeoid: a case of physics versus geometry

P Vaníček, R Kingdon, M Santos - Contributions to Geophysics …, 2012 - journal.geo.sav.sk
For decades now the geodetic community has been split down the middle over the question
as to whether geoid or quasigeoid should be used as a reference surface for heights. The …

Downward continuation of airborne gravity data by means of the change of boundary approach

AH Mansi, M Capponi, D Sampietro - Pure and Applied Geophysics, 2018 - Springer
Within the modelling of gravity data, a common practice is the upward/downward
continuation of the signal, ie the process of continuing the gravitational signal in the vertical …

The geoid or quasigeoid–which reference surface should be preferred for a national height system?

LE Sjöberg - Journal of Geodetic Science, 2013 - degruyter.com
Most European states use MS Molodensky's concept of normal heights for their height
systems with a quasigeoid model as the reference surface, while the rest of the world rely on …

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 …

Impact of gridding on stability of downward continuation of gravity anomaly

M Goli - Journal of Geomatics Science and Technology, 2016 - jgst.issgeac.ir
The solving of third geodetic boundary value problem need to gravity anomalies continued
from surface of the Earth down to their mean values on geoid. Downward continuation (DC) …

[HTML][HTML] Truncation Error of Poisson's Integral in Downward Continuation of Residual Gravity Anomalies

M Goli - Iranian Journal of Geophysics, 2019 - ijgeophysics.ir
The global gravity models (GGM) are combined with the surface gravity data to geoid
determination in remove-restore scheme. In the remove step, the residual gravity anomalies …

The surface layer integral method for the modelling of the radial gravity gradient component over sea surface

D Zhao, Z Gong, J Feng - Journal of Geodetic Science, 2019 - degruyter.com
For the modelling and determination of the Earth's external gravity potential as well as its
second-order radial derivatives in the space near sea surface, the surface layer integral …

اثر گریدسازی آنومالی جاذبه بر پایداری مساله انتقال فروسو

گلی مهدی - 2016‎ - sid.ir
این مقاله دقت و پایداری مساله انتقال فروسو ی آنومالی های نقطه ای و متوسط (گرید شده) در سطح زمین
برای محاسبه آنومالی های متوسط را بررسی می کند. برای این منظور, از تقریب صفحه ای معکوس …