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Ensuring globally the TanDEM-X height accuracy: Analysis of the reference data sets ICESat, SRTM and KGPS-tracks

Huber, Martin and Wessel, Birgit and Kosmann, Detlev and Felbier, Andreas and Schwieger, Volker and Habermeyer, Martin and Wendleder, Anna and Roth, Achim (2009) Ensuring globally the TanDEM-X height accuracy: Analysis of the reference data sets ICESat, SRTM and KGPS-tracks. In: Proceedings of the 2009 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), pp. 769-772. 2009 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2009-07-12 - 2009-07-17, Cape Town, South Africa.

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Abstract

The TanDEM-X mission will derive a global digital elevation model (DEM) with satellite SAR interferometry. Height references play an important role to ensure the required height accuracy of 10m absolute and 2m relative for 90% of the data. In this paper the main height reference data sets ICESat (for DEM calibration), SRTM (for phase unwrapping) and kinematic GPS-Tracks (KGPS – for DEM verification) are analyzed regarding to their accuracy. For the ICESat data a reliable quality measure is developed. For SRTM an improved version adjusted to reliable ICESat data is presented and a concept for collecting and evaluating decimeter-precise kinematic GPS tracks is proposed.

Item URL in elib:https://elib.dlr.de/54783/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Ensuring globally the TanDEM-X height accuracy: Analysis of the reference data sets ICESat, SRTM and KGPS-tracks
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Huber, MartinUNSPECIFIEDUNSPECIFIED
Wessel, BirgitUNSPECIFIEDUNSPECIFIED
Kosmann, DetlevUNSPECIFIEDUNSPECIFIED
Felbier, AndreasUNSPECIFIEDUNSPECIFIED
Schwieger, VolkerUNSPECIFIEDUNSPECIFIED
Habermeyer, MartinUNSPECIFIEDUNSPECIFIED
Wendleder, AnnaUNSPECIFIEDUNSPECIFIED
Roth, AchimUNSPECIFIEDUNSPECIFIED
Date:July 2009
Journal or Publication Title:Proceedings of the 2009 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 769-772
Status:Published
Keywords:TanDEM-X, DEM, ICESat, SRTM, kinematic Global Positioning System
Event Title:2009 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Cape Town, South Africa
Event Type:international Conference
Event Dates:2009-07-12 - 2009-07-17
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Environment and Security
Deposited By: Wessel, Dr.-Ing. Birgit
Deposited On:23 Jul 2008
Last Modified:31 Jul 2019 19:22

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