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Updated: Jun 19, 2025
06:30
Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm
Published on: April 28, 2020
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Geoid Undulation Model as Vertical Reference in Indonesia
Arisauna Pahlevi1, Agustina Syafarianty1, Susilo Susilo2
1Directorate for Geospatial Reference System, Geospatial Information Agency, Bogor, Indonesia.
Scientific Data
|July 26, 2024
Summary
Indonesia
Area of Science:
- Geodesy
- Geophysics
Background:
- Indonesia's geoid modeling is crucial for accurate height determination.
- Previous models may lack the spatial resolution required for specific applications.
Purpose of the Study:
- To introduce the Indonesian Geoid 2020 (INAGEOID2020), a new regional geoid model for Indonesia.
- To provide a high-resolution geoid model for converting between geodetic and orthometric heights.
Main Methods:
- Utilized gravity data (free-air anomaly, global geoid, terrain model).
- Employed the Remove-Compute-Restore technique with Fast Fourier Transformation.
- Fitted the model to tide gauge benchmarks using a fitting plane.
Main Results:
- The Indonesian Geoid 2020 (INAGEOID2020) offers a spatial resolution of 0.01° × 0.01°.
- Model accuracy ranges from 6 cm to 29 cm based on quality metrics.
- The model is available as a gridded dataset for practical use.
Conclusions:
- INAGEOID2020 is a valuable resource for geodetic and geophysical applications in Indonesia.
- The model facilitates accurate height conversions, supporting various infrastructure and research projects.
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