THE NEW TANDEM-X CHANGE DEM: SPECIFICATIONS AND INTERFEROMETRIC PROCESSING

M. Lachaise, B. Schweisshelm, T. Fritz
2020 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Abstract. Since 2017, the TanDEM-X mission aims to acquire data globally to generate another (updated) DEM. This new set of acquisitions, which will be complete in 2020, has a clear temporal separation from those used for the TanDEM-X global DEM. It will therefore allow the creation of a temporally independent DEM, the so-called "TanDEM-X Change DEM" enabling the characterization of terrain changes. Since only one global coverage is being acquired, improvements in e.g. the interferometric data
more » ... terferometric data processing are necessary. In particular, an edited version of the existing global TanDEM-X DEM is now the "starting point" for the interferometric processing as detailed in this paper.
doi:10.5194/isprs-annals-iv-3-w2-2020-143-2020 fatcat:mhz7njzg5zaero2p25k6njy6qy