SAR Measurements of Wind Field, Sea State Topography at Offshore Platforms

Transcription

1 SAR Measurements of Wind Field, Sea State Topography at Offshore Platforms Susanne Lehner DLR, Oberpfaffenhofen

2 Planned NRT Products ENVISAT Wind Sea State OIl Land-Water Line Ships Bathymetry Folie 2

3 TS-X Modes TSX images Scan SAR, stripmap, spotlight Terceira Folie 3

4 ERS-2 and TS-X NRT Scenario ftp archiving of FRED signal data to the processing system L1b product ftp delivery n Neustrelitz Ground Station acquire downlink and archiving Gbit-DAS n Processing System PGS n frames on downlink real time, archiving starts 10 sec delayed 20 sec per frame format conversion 70 sec per frame processing 200 sec per frame 15 sec per frame user order user user notification AIS user data ftp delivery on user account AIS data base 20 sec per frame ship-detection Processing AIS matching 150 sec per frame Folie 4

5 Panama Canal SAINT Algorithm Panama Canal, Atlantic Side Colon TS-X Stripmap Folie 5

6 Full Resolution Subscen Google Earth and TerraSAR-X image overlay Hamburg Harbour, August % transparency 50% transparency 25% transparency 0% transparency Folie 66 Institut für Methodik der Fernerkundung Vortrag Remote> Sensing Autor bzw. Deutsches > Dokumentname Technology Fernerkundungsdatenzentrum Institute > Datum

7 Detected Ships Yellow dots 40 ships were located using the TerraSAR-X radar data Banda Abbas Folie 7 Institut für Methodik der Fernerkundung bzw. Deutsches Fernerkundungsdatenzentrum Remote Sensing Technology Institute

8 TerraSAR-X1 WorldView ship classification ship detection & identification oil spill Folie 8 Institut für Methodik der Fernerkundung bzw. Deutsches Fernerkundungsdatenzentrum Remote Sensing Technology Institute

9 100 km Montara Oil Spill, 2009 Folie 9 Institut für Methodik der Fernerkundung bzw. Deutsches Fernerkundungsdatenzentrum Remote Sensing Technology Institute

10 Louisiana spill event April 25, 2010 Oil spill contour (red line) April 25, 2010 Wind field XMOD GMF Folie 10

11 Abduction of Sirius Star By pirates MARISS - ESA DOLPHIN EU Join SLA? Folie 11

12 Ship Traffic Monitoring using Satellite AIS Luxspace Folie 12

13 WaMoS marine radar on oil platform Ekofisk 2/4 k Maxwave Folie 13

14 TS-X Spotlight of Ekofisk Oil platform 1.5km 10 km TSX Spotlight mode VV polarization image acquired on May 15, 2009 at 17:19 UTC over Ekofisk oil platform Folie 14

15 Spectral Comparison WAMOS TS-X Wamos TSX 1 Heave spectrum (RED:TSX BLUE:WAMOS) S(*) frequencyt (Hz) Folie 15

16 One-dimensional spectra comparison 1 Heave spectrum (RED:TSX BLUE:WAMOS) 1 Heave spectrum (RED:TSX BLUE:WAMOS) S(*) 0.5 S(*) wavelenght (m) frequencyt (Hz) Hs(m) Tp(s) Dir( ) TSX WaMoS buoy Folie 16

17 Case 1: April 30, 2009 N ~10 Km Dark area 1 ~10 Km TSX SpotLight (1.8x1.8 m resolution) VV-pol image acquired on Apr., 30, km Dark area 2 10/16 Folie 17

18 Case 1: April 30, 2009 N Wind shadow Oil spill 30 April, :37UTC Instantaneous wind field obtained using XMOD geophysical model function Wind condition DWD 5.9 m/s /16 Folie 18

19 Case 1: April 30, 2009 N N N a slick b wind history Date: 28 April, 2009 Date: 30 April, 2009 Oil Spill t 2 t 1 t 0 N cost. U10 Udir st acquisition t Age: 35h +/-3h UTC 2nd acquisition t 0 12/16 Folie 19

20 Ocean Wave Power Plant Ocean Wave plant built in the 80 s... and still running TSX spotlight mode (10 x 10 km) 27 March :41 UTC time Folie 20

21 Sea state variablity on Azores 1.5 km 1.5 km 1.5 km 1 Folie 21

22 Determination of Underwater Topography Wavelength field Folie 22

23 No data TS-X Fusion of optical and SAR Data EOMAP & DLR Error Sonar Scan Folie 23 Institut für Methodik der Fernerkundung bzw. Deutsches Fernerkundungsdatenzentrum Remote Sensing Technology Institute

24 Conclusions and Outlook New High Resolution TS-X Data From ESA Sentinel 1 Data available from 2013 Monitoring of Harbours and Shipping Lanes Oil Spill Monitoring High Resolution Wind speed and Sea State Monitoring at Offshore Platforms and along Shipping Lanes Let me know your favourite Platform in Storm and Ice One snapshot is considered free Science Folie 24

25 INU TDX IMAGING PREOPERATIONS from T Times:13:03: :04: Orbit:C (903) Mode:SM Polarisation:S (HH) ncidence Angle: Folie 25

26 Folie 26