Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLI-B4, 111-116, 2016
https://doi.org/10.5194/isprs-archives-XLI-B4-111-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
13 Jun 2016
QUALITY TEST VARIOUS EXISTING DEM IN INDONESIA TOWARD 10 METER NATIONAL DEM
Fahmi Amhar Geomatics Research Center, Geospatial Information Agency Jl. Jakarta-Bogor Km. 46 Cibinong, Indonesia
Keywords: Quality Test, DEM, Indonesia Abstract. Indonesia has various DEM from many sources and various acquisition date spreaded in the past two decades. There are DEM from spaceborne system (Radarsat, TerraSAR-X, ALOS, ASTER-GDEM, SRTM), airborne system (IFSAR, Lidar, aerial photos) and also terrestrial one. The research objective is the quality test and how to extract best DEM in particular area. The method is using differential GPS levelling using geodetic GPS equipment on places which is ensured not changed during past 20 years. The result has shown that DEM from TerraSAR-X and SRTM30 have the best quality (rmse 3.1 m and 3.5 m respectively). Based on this research, it was inferred that these parameters are still positively correlated with the basic concept, namely that the lower and the higher the spatial resolution of a DEM data, the more imprecise the resulting vertical height.
Conference paper (PDF, 1090 KB)


Citation: Amhar, F.: QUALITY TEST VARIOUS EXISTING DEM IN INDONESIA TOWARD 10 METER NATIONAL DEM, Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLI-B4, 111-116, https://doi.org/10.5194/isprs-archives-XLI-B4-111-2016, 2016.

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