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Long-term and seasonal subidence rates in Urban Areas from Persistent Scatterer Interferometry

Meyer, Franz Josef and Gernhardt, Stefan and Adam, Nico (2007) Long-term and seasonal subidence rates in Urban Areas from Persistent Scatterer Interferometry. In: Proceedings of Urban Remote Sensing Joint Event. IEEE Xplore. Urban Remote Sensing Joint Event, 11.-13. April 2007, Paris, Frankreich. doi: 10.1109/URS.2007.371883. ISBN 1-4244-0711-7. ISSN 2334-0932.

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Official URL: http://ieeexplore.ieee.org/document/4234482/?arnumber=4234482&tag=1


As it is well known, space-borne radar interferometry (InSAR) is an appealing and powerful technique to measure the earth's topography and surface deformation with high accuracy and high spatial coverage and sampling. Even though the potential of InSAR was extensively proven within the last years and has been widely recognized throughout the scientific community, its value and applicability to geodynamic monitoring problems is severely limited by the influence of temporal decorrelation and electromagnetic path delay variations. The invention of the multi-image Persistent Scatterer (PS) technique in the late 1990's was a big step forward towards a high accuracy observation of slow surface motion and object deformation over long temporal time spans as it enables the identification, isolation, and estimation of millimeter surface deformation processes from space. This approach proves to be particularly suitable for the observation of the deformation regimes of cities from wide (deformation of extended areas) to small scales (deformation of isolated buildings). In this paper the functionality and the basic workflow of the original PS technique is described. Starting from this overview, every processing step is explained in detail and recent advances are mentioned. Based on this the performance of Persistent Scatterer Interferometry to measure linear as well as nonlinear surface deformation with high accuracy and high spatial sampling is exemplified by a case study from the city of Munich. A summary and an outlook concludes the paper.

Item URL in elib:https://elib.dlr.de/109536/
Document Type:Conference or Workshop Item (Speech)
Title:Long-term and seasonal subidence rates in Urban Areas from Persistent Scatterer Interferometry
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Meyer, Franz JosefFranz.Meyer (at) dlr.deUNSPECIFIED
Gernhardt, Stefanstefan.gernhardt (at) tum.deUNSPECIFIED
Adam, NicoNico.Adam (at) dlr.deUNSPECIFIED
Date:11 April 2007
Journal or Publication Title:Proceedings of Urban Remote Sensing Joint Event
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1109/URS.2007.371883
Publisher:IEEE Xplore
Series Name:Urban 2007
Keywords:Persistent Scatterer Interferometry, PSI
Event Title:Urban Remote Sensing Joint Event
Event Location:Paris, Frankreich
Event Type:international Conference
Event Dates:11.-13. April 2007
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - SAR methods
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Adam, Nico Alexander
Deposited On:20 Dec 2016 14:27
Last Modified:20 Dec 2016 14:27

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