Orthometric height is the generally adopted type of worldwide and in geomatics community. Precise levelling has been method obtaining orthometric past for most country, so as Nepal. However, due to wide usage Global Navigation Satellite System (GNSS), alternative approach combining GNSS derived ellipsoidal with geoid undulation get height, used extensively. In Nepal, this technique was official...

Quasigeoid lokal pulau Bali di definisikan menggunakan persamaan Hotine . Data yang digunakan kombinasi data gangguan gayaberat hasil pengukuran terestris , laut DTU17, EGM2008 derajat 360 dan SRTM15 dengan berbagai variasi jarak spheris diuji untuk menghasil quasigeoid teliti Variasi sebesar 0.1˚, 0.3˚, 0.5˚, 0.7˚, 0.9˚, 1.1˚, 1.3˚. dikoreksi fungsi anomali Bouguer mendapatkan model geoid. Val...

This paper compares three different methods capable of estimating the deflection of the vertical (DoV): one is based on the joint use of high precision spirit leveling and Global Navigation Satellite Systems (GNSS), a second uses astro-geodetic measurements and the third gravimetric geoid models. The working data sets refer to the geodetic International Terrestrial Reference Frame (ITRF) co-loc...

The Continuously Operating Reference Station (CORS) technique has been widely applied in land resource management, surveying, mapping, deformation monitoring, precise navigation, etc. This article analyzed the positioning method using EGM2008 and CORS of Jilin Province, China. The vertical transformation of EGM2008 from WGS84 to China's CGCS2000 datum and the horizontal coordinate transformatio...

Viscous and viscoelastic models for a subduction zone with a faulted lithosphere and internal buoyancy can self-consistently and simultaneously predict long-wavelength geoid highs over slabs, short-wavelength gravity lows over trenches, trench-forebulge morphology, and explain the high apparent strength of oceanic lithosphere in trench environments. The models use two different free-surface for...

Various Stokes kernel modification methods have been developed over the years. The goal of this paper is to test the most commonly used Stokes kernel modifications numerically by using Alaska as a test area and EGM08 as a reference model. The tests show that some methods are more sensitive than others to the integration cap sizes. For instance, using the methods of Vaníček and Kleusberg or Feat...