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Mapping subsidence with very high resolution (TerraSAR-X) radar images and comparing with traditional measurements - Test area Gothenburg
Ansvarlig organisasjon
2015 (engelsk)Rapport (Annet vitenskapelig)
Abstract [en]

Ground movements, whether they are attributed to natural processes or to human activity, are often sufficient to cause damage to buildings and infrastructure. Subsidence measurements in the central parts of Gothenburg have been carried out for a long time. Metal pegs have been installed in several places around buildings and infrastructure. Currently, precision leveling of the pegs is carried out every fifth to seventh year by the City of Gothenburg, which requires a great deal of work. Satellite images cover a wide area and can provide additional information such as the magnitude and distribution of movements in an area. In certain areas, the requirements demand very precise movement measurements through methods such as precision leveling. However in these cases, the satellite images can provide insight as to which areas need the more detailed precision leveling. It is also possible to ascertain ongoing movements in an area before an excavation or similar construction. The objective of the project is to investigate whether interferometry using very high resolution satellite radar TerraSAR-X images, can improve the results from a previous study and provide detailed enough subsidence measurements in an urban area, to serve as the basis for a commercial service.

sted, utgiver, år, opplag, sider
Linköping, 2015. , s. 42
Serie
SGI Publikation ; 24
Emneord [en]
TerraSAR-X, DInSAR, Satellite, Radar, Aerial photography, Settlement, Mapping, Gothenburg, Göteborg, Sweden, English
HSV kategori
Identifikatorer
URN: urn:nbn:se:swedgeo:diva-329Lokal ID: 000083425OAI: oai:DiVA.org:swedgeo-329DiVA, id: diva2:1300107
Tilgjengelig fra: 2019-03-28 Laget: 2019-03-28 Sist oppdatert: 2019-11-01

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