TH4.T07: Special session on the great earthquake of EastJapan on March 11, 2011
March 11th Japan Earthquake and TsunamiBeyond the Frontiers:What we observed by radar polarimetry          Motoyuki Sato  ...
Tohoku University
Sendai International Center
Polarimetric SAR Image-Sendai        S HH   S HV              1     S HV S    S            e                   ...
Sendai- Natori
Sendai-Natori     Pi-SAR2     (NICT) Mar     12th 2011     HH:R     HV:G      VV:B
Pi-SAR2(NICT)Mar 18th 2011HH:RHV:G VV:B
Mar 12th, 2011                          20Backscattered Power(dB)                          10                             ...
Pauli Decomposition S HH    S HV     1 0   1 0      0 1                               SVH     SVV ...
ALOS/PALSAR Pauli Decomposition           Ishinomaki-Onagawa                                      Slave                   ...
Onagawa
Pd   Yamaguchi decomposition (red),Pv (green), andPs                               Pd(red), Pv (green),Ps (blue). (blue). ...
Cloude-Pottier decomposition Entropy                                        1                                        0.8  ...
Jun 25th,2010   Apr 6th, 2011   Old Kitalami RiverPd (red),Pv (green), andPs                                              ...
Jun 25th,2010   Apr 6th, 2011,                                 0 10 20 30 40 50 60 70 80 90 (deg)                         ...
Polarization Orientation Angle            Induced by Ground Surface Patch                      Jong-Sen Lee, Dale L. Schul...
Sendai (Pi-SAR)Residential block   L-band, HH-VV, 2HV, HH+VV   Estimated PO Angle θ     1250m*1250m    X-band, HH-VV, 2HV,...
Jun 25th,2010   Apr 6th, 2011      IshinomakiPd (red),Pv                                          ALOS/PALSAR (green), and...
How Radar Polarimetrycan be used for detection   of Damaged Areas?•Differential Time?•Interferometry ?•High Resolution?
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry
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March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry

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March 11th Japan Earthquake and Tsunami, Beyond the Frontiers: What we observed by radar polarimetry

  1. 1. TH4.T07: Special session on the great earthquake of EastJapan on March 11, 2011
  2. 2. March 11th Japan Earthquake and TsunamiBeyond the Frontiers:What we observed by radar polarimetry Motoyuki Sato Si-we Chen Tohoku University
  3. 3. Tohoku University
  4. 4. Sendai International Center
  5. 5. Polarimetric SAR Image-Sendai  S HH S HV   1 S HV S    S  e 0 jHH    VH SVV   SVH SVV  Pi-SAR (NICT) HH:R HV:G VV:B
  6. 6. Sendai- Natori
  7. 7. Sendai-Natori Pi-SAR2 (NICT) Mar 12th 2011 HH:R HV:G VV:B
  8. 8. Pi-SAR2(NICT)Mar 18th 2011HH:RHV:G VV:B
  9. 9. Mar 12th, 2011 20Backscattered Power(dB) 10 HH HV 0 VV -10 -20 -30 -40 -50 -60 0 0.5 1 1.5 2 2.5 3 Distance(km) Mar 18th, 2011, 20 HHBackscattered Power(dB) 10 HV 0 VV -10 -20 -30 -40 -50 -60 0 0.5 1 1.5 2 2.5 3 Distance(km)
  10. 10. Pauli Decomposition S HH S HV  1 0 1 0   0 1         SVH SVV  0 1  0 1 1 0 Single Double Volumetric Bounce Bounce Scattering S HH  SVV Single  Bounce 2 S HH  SVV  Double 2 Bounce   SHV
  11. 11. ALOS/PALSAR Pauli Decomposition Ishinomaki-Onagawa Slave II II I INov 21st, 2010. Apr 8th, 2011 R:HH-VV,G:HV, B:HH+VV
  12. 12. Onagawa
  13. 13. Pd Yamaguchi decomposition (red),Pv (green), andPs Pd(red), Pv (green),Ps (blue). (blue). Nov 21st, 2010. Apr 8th, 2011
  14. 14. Cloude-Pottier decomposition Entropy 1 0.8 0.6 0.4 0.2 0Nov 21st, 2010. Apr 8th, 2011
  15. 15. Jun 25th,2010 Apr 6th, 2011 Old Kitalami RiverPd (red),Pv (green), andPs Optical image Yamaguchi decomposition Pd(red) Pv (green) Ps (blue) 0 0.2 0.4 0.6 0.8 1
  16. 16. Jun 25th,2010 Apr 6th, 2011, 0 10 20 30 40 50 60 70 80 90 (deg) Entropy
  17. 17. Polarization Orientation Angle Induced by Ground Surface Patch Jong-Sen Lee, Dale L. Schuler, et al. The induced polarization orientation angle shift θis represented,  tan  tan    tan  cos   sin  Where tanω is the azimuth slope, tanγ is the range slope, φ is the radar look angle. Induced by Dihedral Structure Hiroshi Kimura, et al.  tan  tan   cos  Where tanα is the target azimuth angle, φ is the radar look angle.
  18. 18. Sendai (Pi-SAR)Residential block L-band, HH-VV, 2HV, HH+VV Estimated PO Angle θ 1250m*1250m X-band, HH-VV, 2HV, HH+VV Estimated PO Angle θ
  19. 19. Jun 25th,2010 Apr 6th, 2011 IshinomakiPd (red),Pv ALOS/PALSAR (green), and Optical images Yamaguchi decomposition Pd(red), Pv (green) Ps (blue). -40 -30 -20 -10 0 10 20 30 40 (deg) Polarization orientation angle.
  20. 20. How Radar Polarimetrycan be used for detection of Damaged Areas?•Differential Time?•Interferometry ?•High Resolution?

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