DIGITAL - Institute of Information and …3518ce84-5f20-43cb...Timetable Start: 01.06.18 End:...
Transcript of DIGITAL - Institute of Information and …3518ce84-5f20-43cb...Timetable Start: 01.06.18 End:...
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www.joanneum.at/digital
DIGITAL - Institute of Information and Communication Technologies
SuLaMoSA –
Subsidence and Landslide Monitoring Service Austria
Karlheinz Gutjahr
Vienna, 27.11.2018
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Consortium
Austrian Space Application Programme (ASAP-14)
Partner
Joanneum Research (JR)
Geologische Bundesanstalt (GBA)
Earth Observation Data Centre (EODC)
Nutzer (LoI)
BEV
BMNTAbteilung III/5 Wildbach- und Lawinenverbauung
Abteilung IV/6 Schutzwasserwirtschaft
Land Salzburg, Landesgeologie
Amt der Steiermärkischen Landesregierung, Abteilung 14, Wasserwirtschaft, Ressourcen und Nachhaltigkeit
ÖBB-Infrastruktur AG, Geotechnik und Naturgefahrenmanagement
ASFINAG Bau Management GmbH
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Main Objectives
Technical goals
Set-up MTI/Sentinel-1 workflow
Adaption to Austrian topography
Benchmark / quality analysis
Porting to EODC IT infrastructure
User engagement
Definition of requirements
Definition of interfaces
Demonstration of applications
Questionnaire and workshops
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URR Workshop Sep´19 @GBA
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TimetableStart: 01.06.18 End: 31.08.20 Duration: 27 months
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Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Okt Nov Dez Jän Feb Mär Apr Mai Jun Jul Aug
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22 T23 T24 T25 T26
Milestones
M1: Project Kick-off (JR) M1
User requirements workshop (GBA) WS
M2: User requiements and service
design review (JR)M2
M3: 1st year development review (JR) M3
M4: System integration and readiness
review (EODC)M4
M5: Test case review (GBA) M5
User dissemination workshop (GBA) WS
M7: Final report (JR) M7
Workpackages
WP1 Project Management
WP2 Requirement Engineering and Concept of Service
WP3 Workflow Development and Method refinement
WP 4 Service Prototype Implementation
WP 5 Test Case Under Laboratory Conditions
WP 6 Dissemination
2018 2019 2020
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Interferogramm2 Szenen analog Stereo
Simultane Akquisition: SRTM Mission,
Tandem-X
Akquisitionen zu unterschiedlichen
Zeitpunkten: ERS, SENTINEL-1
Basislinie:
Zeitlich: zeitliche Veränderungen
Räumlich: geometrische Unterschiede
Interferogramm
Produkt aus komplexen SAR Bildern
Phase des Interferogramms =>
interferometrische Phase
5
r4
ell
proc
dis to
atm noi e
pop
s
φ … gemessene (interferometrische) Phase
Φell … Aufnahmegeometrie-bedingte Phase
φtopo … Phasenanteil der Topographie
φdisp … Phasenanteil durch Veränderung der Oberfläche
φproc … Phasenanteil durch (ungenaue) Prozessierung
φatm … Anteil Atmosphäre, Ionosphäre
φnoise … Phasenrauschen
X - Band … ~ 3 cm
C - Band … ~ 5.6 cm
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ERS Tandem Mission - 14./15. February1996
ellipsoid toelli pogrpsoid aphy
displacemellipsoid processing atmosphto erpography e nent oise
Differentielle SAR Interferometrie6
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Multitemporale differentielle SAR Interferometrie
PSI SBAS
Berardino, P.; Fornaro, G.; Lanari, R. & Sansosti, E.
A New Algorithm for Surface Deformation Monitoring Based on Small
Baseline Differential SAR Interferograms
IEEE Transactions on Geoscience and Remote Sensing, 2002, 40,
2375- 2383
Ferretti, A.; Prati, C. & Rocca, F.
Permanent Scatterers in SAR Interferometry
IEEE Trans Geoscience and Remote Sensing, 2001,
39, 8-20
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ERS/Envisat/TerraSAR-X – Niederrheinische Bucht8
+4 cm-4 cm
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Anwendbarkeit für Österreich
A priori PS point density© GBA
A posteriori coherenceanalysis © JR
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Sentinel-1 Abdeckung Österreich
Aufsteigender Orbit Absteigender Orbit
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2 Orbitrichtungen x 5 Orbits pro Richtung x 2.5 Szenen pro Orbit x 8 GB pro Szene = 200 GB
6 Tage Wiederholzyklus = 12.2 TB pro Jahr … nur Eingangsdaten!!!
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SBAS Sentinel-1 – Wien11
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SBAS Sentinel-1 – Wien12
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Sentinel-1 Niederrheinische Bucht
Levelling SBAS Histogram of difference
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Diskussion Synergien
Gemeinsame Demo- bzw. Testsites
Harmonisierte ProdukteRäumliche Auflösung (100x100 m)
Kartenprojektion (Austrian Lambert: EPSG 31287)
Verwendetes DEM (geoland.at + SRTM)
„Abfallprodukte“ von SuLaMoSAHochgenaue koregistrierte SLC Datenstapel (besser 1/1000 Pixel in Azimut, besser 1/10 Pixel in Range)
Dichte Zeitreihen für Kohärenz und (SLC) Amplituden
(Einfach) Multi-temporal gefilterte Amplitude
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Multi-temporale gefilterte Amplitude
2017-07-28 Rel. Orbit 095
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JOANNEUM RESEARCH
Forschungsgesellschaft mbH
Institute for Information and
Communication Technologies
www.joanneum.at/digital
Karlheinz Gutjahr
[email protected]+43-664-602876-1718Steyrergasse 17, A-8010 Graz
Vielen Dank für Ihr Interesse!
www.joanneum.at/digital/referenzprojekte/sulamosa-subsidence-and-
landslide-monitoring-service-in-austria