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You are here: Home / Library / RBINS Staff Publications 2021 / Areas Prone to Land Subsidence and their Evolutions in Belgium During the Last 30 Years

Pierre-Yves Declercq, Atefe Choopani, Alain Dassargues and Xavier Devleeschouwer (2021)

Areas Prone to Land Subsidence and their Evolutions in Belgium During the Last 30 Years

In: 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, pp. 8448-8451, IEEE.

PSInSAR analyses across Belgium using ERS 1-2, ENVISAT, TerraSAR-X and Sentinel 1 allowed to follow several ground movements areas during the last three decades. Several areas of regional importance are affected by land subsidence processes that have been observed during this period (i.e. the alluvial plain of the Schelde estuary in Antwerpen, a large area in the West Flanders province and one around Merchtem area). Other land subsidence areas associated to old coal mining both in Flanders (Campine basin) and Wallonia (Hainaut and Liège province) are affected by progressive uplifting conditions linked to the mining aquifer piezometric rebound. It is extremely important to follow the spatio-temporal behavior of these phenomena to forecast their influences and their effects on the urban developments.
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