Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XXXIX-B7, 45-50, 2012
https://doi.org/10.5194/isprsarchives-XXXIX-B7-45-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
31 Jul 2012
THE GLOBAL TANDEM-X DEM: PRODUCTION STATUS AND FIRST VALIDATION RESULTS
M. Huber, A. Gruber, A. Wendleder, B. Wessel, A. Roth, and A. Schmitt DLR, German Aerospace Center, 82234 Wessling Oberpfaffenhofen, Germany
Keywords: TanDEM-X, DEM, InSAR, Global, Calibration, Mosaic, Block Adjustment, Validation Abstract. The TanDEM-X mission will derive a global digital elevation model (DEM) with satellite SAR interferometry. Two radar satellites (TerraSAR-X and TanDEM-X) will map the Earth in a resolution and accuracy with an absolute height error of 10m and a relative height error of 2m for 90% of the data. In order to fulfill the height requirements in general two global coverages are acquired and processed. Besides the final TanDEM-X DEM, an intermediate DEM with reduced accuracy is produced after the first coverage is completed. The last step in the whole workflow for generating the TanDEM-X DEM is the calibration of remaining systematic height errors and the merge of single acquisitions to 1°x1° DEM tiles. In this paper the current status of generating the intermediate DEM and first validation results based on GPS tracks, laser scanning DEMs, SRTM data and ICESat points are shown for different test sites.
Conference paper (PDF, 1341 KB)


Citation: Huber, M., Gruber, A., Wendleder, A., Wessel, B., Roth, A., and Schmitt, A.: THE GLOBAL TANDEM-X DEM: PRODUCTION STATUS AND FIRST VALIDATION RESULTS, Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XXXIX-B7, 45-50, https://doi.org/10.5194/isprsarchives-XXXIX-B7-45-2012, 2012.

BibTeX EndNote Reference Manager XML