#5161. Integration of heterogeneous terrain data into Discrete Global Grid Systems

July 2026publication date
Proposal available till 23-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Geography, Planning and Development;
Civil and Structural Engineering;
Management of Technology and Innovation;
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Abstract:
The Digital Elevation Model (DEM) and the High-Resolution Digital Elevation Model (HRDEM) released by Natural Resources are primary terrain data sources. This study provides new insights into the adoption of Discrete Global Grid Systems (DGGS) to facilitate the integration of multi-source terrain data at various granularities. In particular, the Icosahedral Snyder Equal Area Aperture 3 Hexagonal Grid (ISEA3H) was employed, and quantization, integration, and aggregation were conducted on this framework. To demonstrate the modeling process, an experiment was undertaken for two areas, taking advantage of parallel computing which was beneficial from the discreteness of DGGS cells. This research can serve as a guide for future development of a national elevation service, providing consistent, multi-resolution elevations and avoiding complex, duplicated pre-processing at the user’s end. Future investigation into an operational integration platform to support real-world decision-making, as well as the DGGS-powered geospatial datacube, is recommended.
Keywords:
data integration; Discrete global grid systems; multi-resolution elevation; national elevation service; parallel computing; terrain data

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