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Generation and performance assessment of the global TanDEM-X digital elevation model

Rizzoli, Paola and Martone, Michele and Gonzalez, Carolina and Wecklich, Christopher and Borla Tridon, Daniela and Bräutigam, Benjamin and Bachmann, Markus and Schulze, Daniel and Fritz, Thomas and Huber, Martin and Wessel, Birgit and Krieger, Gerhard and Zink, Manfred and Moreira, Alberto (2017) Generation and performance assessment of the global TanDEM-X digital elevation model. ISPRS Journal of Photogrammetry and Remote Sensing (132), pp. 119-139. Elsevier. DOI: 10.1016/j.isprsjprs.2017.08.008 ISSN 0924-2716

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Official URL: http://www.sciencedirect.com/science/article/pii/S092427161730093X

Abstract

The primary objective of the TanDEM-X mission is the generation of a global, consistent, and high-resolution digital elevation model (DEM) with unprecedented global accuracy. The goal is achieved by exploiting the interferometric capabilities of the two twin SAR satellites TerraSAR-X and TanDEM-X, which fly in a close orbit formation, acting as an X-band single-pass interferometer. Between December 2010 and early 2015 all land surfaces have been acquired at least twice, difficult terrain up to seven or eight times. The acquisition strategy, data processing, and DEM calibration and mosaicking have been systematically monitored and optimized throughout the entire mission duration, in order to fulfill the specification. The processing of all data has finally been completed in September 2016 and this paper reports on the final performance of the TanDEM-X global DEM and presents the acquisition and processing strategy which allowed to obtain the final DEM quality. The results confirm the outstanding global accuracy of the delivered product, which can be now utilized for both scientific and commercial applications.

Item URL in elib:https://elib.dlr.de/114315/
Document Type:Article
Title:Generation and performance assessment of the global TanDEM-X digital elevation model
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rizzoli, PaolaPaola.Rizzoli (at) dlr.dehttps://orcid.org/0000-0001-9118-2732
Martone, MicheleMichele.Martone (at) dlr.dehttps://orcid.org/0000-0002-4601-6599
Gonzalez, Carolinacarolina.gonzalez (at) dlr.dehttps://orcid.org/0000-0002-9340-1887
Wecklich, ChristopherChristopher.Wecklich (at) dlr.dehttps://orcid.org/0000-0001-5994-3298
Borla Tridon, DanielaDaniela.BorlaTridon (at) dlr.dehttps://orcid.org/0000-0002-9885-0999
Bräutigam, BenjaminBenjamin.Braeutigam (at) dlr.deUNSPECIFIED
Bachmann, MarkusMarkus.Bachmann (at) dlr.dehttps://orcid.org/0000-0002-6028-4303
Schulze, DanielDaniel.Schulze (at) dlr.dehttps://orcid.org/0000-0001-5260-9027
Fritz, Thomasthomas.fritz (at) dlr.deUNSPECIFIED
Huber, MartinMartin.Huber (at) dlr.dehttps://orcid.org/0000-0003-2665-2149
Wessel, BirgitBirgit.Wessel (at) dlr.dehttps://orcid.org/0000-0002-8673-2485
Krieger, GerhardGerhard.Krieger (at) dlr.dehttps://orcid.org/0000-0002-4548-0285
Zink, Manfredmanfred.zink (at) dlr.dehttps://orcid.org/0000-0002-4308-5636
Moreira, AlbertoAlberto.Moreira (at) dlr.dehttps://orcid.org/0000-0002-3436-9653
Date:October 2017
Journal or Publication Title:ISPRS Journal of Photogrammetry and Remote Sensing
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1016/j.isprsjprs.2017.08.008
Page Range:pp. 119-139
Publisher:Elsevier
ISSN:0924-2716
Status:Published
Keywords:TanDEM-X, Bistatic SAR, Digital Elevation Model (DEM), Interferometry, Remote Sensing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Projekt TanDEM-X
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > Spaceborne SAR Systems
Remote Sensing Technology Institute > SAR Signal Processing
German Remote Sensing Data Center > Land Surface
Deposited By: Rizzoli, Paola
Deposited On:21 Sep 2017 10:51
Last Modified:06 Sep 2019 15:28

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