High Resolution Differential Interferometry using time series of ERS and ENVISAT SAR data

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High Resolution Differential Interferometry using
time series of ERS and ENVISAT SAR data

• J. Duro, J. Inglada, J. Closa, N. Adam, A.
  Arnaud.
• javier.duro_at_altamira-information.com
• Results over BARCELONA with 68 ERS and 3 ASAR
  datas from 1992 to 2004
• Key findings Subsidence, DEM errors,
  differential interferometry, high resolution,
  ASAR integration, ERS time series.

Subsidence Image
DEM Error Image
Model Coherence
Mean image
Point Absolute Displacements Profiles
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ERS ENVISAT High Resolution Differential
Interferometry

• Mean DEM errors Estimation of building heights
  and street profiles.

F.C. Barcelona stadium
Montjuic Olimpic stadium
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ERS ENVISAT High Resolution Differential
Interferometry

• Mean subsidence rate Points displacement
  profiles in the range direction.

ERS/ASAR continuity Cross 68 ERS Diamond 3
ASAR