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Evaluating the Quality and Accuracy of TanDEM-X Digital Elevation Models at Archaeological Sites in the Cilician Plain, Turkey

Erasmi, Stefan and Rosenbauer, Ralph and Buchbach, Ralf and Busche, Thomas and Rutishauser, Susanne (2014) Evaluating the Quality and Accuracy of TanDEM-X Digital Elevation Models at Archaeological Sites in the Cilician Plain, Turkey. Remote Sensing, 6 (10), pp. 9475-9493. Multidisciplinary Digital Publishing Institute (MDPI). ISSN 2072-4292

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Official URL: http://dx.doi.org/10.3390/rs6109475

Abstract

Satellite remote sensing provides a powerful instrument for mapping and monitoring traces of historical settlements and infrastructure, not only in distant areas and crisis regions. It helps archaeologists to embed their findings from field surveys into the broader context of the landscape. With the start of the TanDEM-X mission, spatially explicit 3D-information is available to researchers at an unprecedented resolution worldwide. We examined different experimental TanDEM-X digital elevation models (DEM) that were processed from two different imaging modes (Stripmap/High Resolution Spotlight) using the operational alternating bistatic acquisition mode. The quality and accuracy of the experimental DEM products was compared to other available DEM products and a high precision archaeological field survey. The results indicate the potential of TanDEM-X Stripmap (SM) data for mapping surface elements at regional scale. For the alluvial plain of Cilicia, a suspected palaeochannel could be reconstructed. At the local scale, DEM products from TanDEM-X High Resolution Spotlight (HS) mode were processed at 2 m spatial resolution using a merge of two monostatic/bistatic interferograms. The absolute and relative vertical accuracy of the outcome meet the specification of high resolution elevation data (HRE) standards from the National System for Geospatial Intelligence (NSG) at the HRE20 level.

Item URL in elib:https://elib.dlr.de/93699/
Document Type:Article
Title:Evaluating the Quality and Accuracy of TanDEM-X Digital Elevation Models at Archaeological Sites in the Cilician Plain, Turkey
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Erasmi, StefanUNSPECIFIEDUNSPECIFIED
Rosenbauer, RalphUNSPECIFIEDUNSPECIFIED
Buchbach, RalfUNSPECIFIEDUNSPECIFIED
Busche, ThomasUNSPECIFIEDUNSPECIFIED
Rutishauser, SusanneUNSPECIFIEDUNSPECIFIED
Date:8 October 2014
Journal or Publication Title:Remote Sensing
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:No
Volume:6
Page Range:pp. 9475-9493
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
ISSN:2072-4292
Status:Published
Keywords:TanDEM-X; alternating bistatic; synthetic aperture radar; SAR; Cilicia; digital elevation model; DEM
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 > Radar Concepts
Deposited By: Busche, Thomas Edmund
Deposited On:16 Dec 2014 07:46
Last Modified:21 Sep 2019 05:05

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