TERRAIN MODELLING & 3D – working for fun

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GEM-RG develops methods for digital terrain analysis (DTA). Use of differential geometry and signal processing methods is emphasised. Applications include morphometry, tectonic geomorphology, volcano reconstruction, terrain modelling for hydrological, soil erosion and sediment transport modelling. DEM (Digital Elevation Model) formats used include interpolated contour maps, photogrammetric data (TIN based on irregular control points), radar altimetry data (SRTM global DEM) and high-resolution airborn laser scan DEMs (LIDAR). Error assessment and uncertainty analysis. Softwares used includes ILWIS raster GIS, IDRISI raster GIS, SURFER, RockWorks, TOPAZ.

GEM-RG developed the 3D Digital Geological Model for Hungary in the support of the EU Water Framework Directive implementation. Further applications include the 3D models for  thermal Lake Heviz, the hydrocarbon reservoir Zala Basin, the regional groundwater reservoirs in  Cretaceous formations in western Hungary, and for the National Nuclear Waste Depository Site in Hungary.

 

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Terrain Modelling – examples: