A precise geoid model for Africa: AFRgeo2019

HA Abd-Elmotaal, N Kühtreiber, K Seitz… - Beyond 100: The Next …, 2020 - Springer
In the framework of the IAG African Geoid Project, an attempt towards a precise geoid model
for Africa is presented in this investigation. The available gravity data set suffers from …

AFRGDB_V2. 0: the gravity database for the geoid determination in Africa

HA Abd-Elmotaal, K Seitz, N Kühtreiber… - … Symposium on Advancing …, 2019 - Springer
The available gravity data set for Africa consists of land point gravity data as well as
shipborne and altimetry derived gravity anomalies data, but suffers from a lot of significant …

Establishment of the gravity database AFRGDB_V1. 0 for the African geoid

HA Abd-Elmotaal, K Seitz, N Kühtreiber… - IGFS 2014: Proceedings …, 2016 - Springer
In the framework of the IAG African Geoid Project it is needed to have a uniform gridded
gravity data set to compute the geoid using Stokes' integral in the frequency domain by 1-D …

Gravimetric geoid for Egypt implementing Moho depths and optimal geoid fitting approach

HA Abd-Elmotaal - Studia Geophysica et Geodaetica, 2017 - Springer
The aim of this paper is to investigate the effect of implementing the experimentally
determined GEMMA Moho depths (GOCE Exploitation for Moho Modeling and Applications) …

Integrating altimetry derived gravity anomalies with ship-borne gravity data for Africa

ABDE Hussein, A MAKHLOOF - Contributions to Geophysics and …, 2023 - journal.geo.sav.sk
The most comprehensive and precise gravity data for the sea region must be obtained for
the Sub-Commission of gravity and geoid for Africa (The African Gravity and Geoid sub …

Tailored reference geopotential model for Africa

HA Abd-Elmotaal, K Seitz, M Abd-Elbaky… - IAG 150 Years …, 2015 - Springer
In the framework of the African Geoid Project, the currently available gravity data set
contains many significant gaps allover the continent. A possible way to fill in these gaps …

[图书][B] AFRgeo_v1. 0: a geoid model for Africa

HA Abd-Elmotaal, K Seitz, N Kühtreiber, B Heck - 2019 - core.ac.uk
The paper presents an attempt to compute a geoid model for Africa in the framework of the
IAG African Geoid Project. The available gravity data set consists of land point gravity data …

Comparison of Different Approaches for Combining Gravity Field Wavelengths for Egypt

H Abd-Elmotaal, M Ashry… - JES. Journal of …, 2024 - jesaun.journals.ekb.eg
Within the context of the remove-restore technique, this research seeks to determine the best
combination of gravity field wavelengths for Egypt's geoid computation. There are various …

Suitable gravity interpolation technique for large data gaps in Africa

HA Abd-Elmotaal, N Kühtreiber - Studia Geophysica et Geodaetica, 2019 - Springer
The gravity database for the IAG African Geoid Project contains significantly large data gaps.
These large data gaps affect the interpolation precision of the reduced gravity anomalies …

[PDF][PDF] Evaluation of the Recent African Gravity Databases V2. x

HA Abd-Elmotaal, N Kühtreiber, K Seitz… - X Hotine-Marussi …, 2023 - library.oapen.org
In the framework of the activities of the IAG Sub-Commission on the gravity and geoid in
Africa, a recent set of gravity databases has been established. They are namely …