DSD-INT 2018 Monitoring Soft Soils With Satellite Radar Interferometry - Hanssen
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Presentation by Ramon Hanssen (SkyGeo) at the Data Science Symposium 2018, during Delft Software Days - Edition 2018. Thursday 15 November 2018, Delft.
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DSD-INT 2018 Monitoring Soft Soils With Satellite Radar Interferometry - Hanssen
- 1. 1 Monitoring soft soils with satellite radar interferometry Ramon Hanssen Floris Heuff Data Science Symposium, Delft, 14/11/18 r.f.hanssen@tudelft.nl
- 2. 2 Drainage and subsidence canal CO2, CH4, N2O peatpeat
- 3. 3 “Subsidence of pastures on peat soils not measurable”
- 4. 4Bijeenkomst Delfland 24 Januari 2018
- 5. 5Bijeenkomst Delfland 24 Januari 2018
- 6. 6
- 8. 9Bijeenkomst Delfland 24 Januari 2018
- 10. 11Challenge the future Time series
- 11. 12Challenge the future November 15, 2018 12
- 12. 13Challenge the future Surface deformation map of the Netherlands
- 13. 14Challenge the future November 15, 2018 14
- 14. 15
- 17. 30Bijeenkomst Delfland 24 Januari 2018
- 18. 31
- 19. 32
- 20. 33 Approach • Combine all satellites – Envisat,TerraSAR-X, RadarSAT en ALOS II • Suppress noise (250 m pixels) • Estimate subsidence and seasonal effects • 138 acquisitions over 5 years
- 21. 34 2007-2012 (Morishita & Hanssen, 2015)
- 22. 35 2007-2012 (Morishita & Hanssen, 2015) AHN
- 23. 36 2007-2012 (Morishita & Hanssen, 2015)
- 24. 37 Daling (blauw) van maaiveld [mm/y] Conclusions 2007-2012 • Estimated subsidence • Spatial pattern OK • Temporal pattern OK • But velocity can be too high (Morishita & Hanssen, 2015)
- 25. 44 Animation first results (vertical) 28 July 2016 - 22 October 2017
- 26. 45 results
- 27. 46 results
- 28. 47
- 29. 48
- 30. 58 Dikes and soil moisture Ozer,Van Leijen, Jonkman, Hanssen, Nature Geoscience (in review), 2018
- 31. 59Ozer,Van Leijen, Jonkman, Hanssen, Nature Geoscience (in review), 2018
- 32. 60Ozer,Van Leijen, Jonkman, Hanssen, Nature Geoscience (in review), 2018
- 33. 61Ozer,Van Leijen, Jonkman, Hanssen, Nature Geoscience (in review), 2018
- 34. 62 Soil moisture and deformation: synergies • Soil moisture changes cause volumetric changes, thus, deformation • Deformation can be used to infer soil moisture • Where do both fields meet?