The Terrestrial Gravity Survey Around Ibu Kota Nusantara (IKN) Area, Indonesia

The Terrestrial Gravity Survey Around Ibu Kota Nusantara (IKN) Area, Indonesia

The Geospatial Information Agency of Indonesia (BIG) conducted a terrestrial gravity survey around the Ibu Kota Nusantara (IKN) area, projected to be the new capital city of Indonesia. The objective of the surveys was to collect gravity data to develop a geoid model serving as the vertical reference...

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Veröffentlicht in:IOP conference series. Earth and environmental science 2024-12, Vol.1418 (1), p.012032
Hauptverfasser: Triarahmadhana, Bagas, Putra, Widy, Noviyanto, Dwi, Amrossalma, Harka, Huda, Safirotul
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Geoids
Global navigation satellite system
Kinematics
Polls & surveys
Real time
Reference systems
Surveys
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container_title IOP conference series. Earth and environmental science
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creator Triarahmadhana, Bagas
Putra, Widy
Noviyanto, Dwi
Amrossalma, Harka
Huda, Safirotul
description The Geospatial Information Agency of Indonesia (BIG) conducted a terrestrial gravity survey around the Ibu Kota Nusantara (IKN) area, projected to be the new capital city of Indonesia. The objective of the surveys was to collect gravity data to develop a geoid model serving as the vertical reference system. The survey encompassed 164 measurement points, spaced sporadically at intervals of 2.5 km to 3 km and utilizing the CG-5 Scintrex gravimeter. Each point was surveyed for 10 minutes with a 1 Hz data interval. Accurate positioning of the points was achieved using the Global Navigation Satellite System (GNSS) with real-time kinematic (RTK) method, receiving corrections from nearby Continuously Operating Reference Station (CORS), including CBAL station located in Balikpapan City. The gravity data was processed using the Gradj and Grano subprograms of the GRAVSOFT software, referenced to the primary gravity pillar GBU025, with an absolute gravity value of 978,039.879 mGal ± 0.007 mGal. The adjustment process revealed that the standard deviation of gravity values ranged from 3.102 mGal to 4.872 mGal.
doi_str_mv 10.1088/1755-1315/1418/1/012032
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source Institute of Physics Open Access Journal Titles; Institute of Physics IOPscience extra; EZB-FREE-00999 freely available EZB journals
subjects Geoids
Global navigation satellite system
Kinematics
Polls & surveys
Real time
Reference systems
Surveys
title The Terrestrial Gravity Survey Around Ibu Kota Nusantara (IKN) Area, Indonesia
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