Land subsidence; PSInSAR; rebound; aquifer withdrawal; aquifer rebound
Abstract :
[en] 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 with 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.
Disciplines :
Geological, petroleum & mining engineering
Author, co-author :
Declercq, Pierre-Yves; Royal Belgium Institute of Natural Sciences > Geological Survey of Belgium
Choopani, Atefe; Royal Belgium Institute of Natural Sciences > Geological Survey of Belgium
Dassargues, Alain ; Université de Liège - ULiège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Devleeschouwer, Xavier; Royal Belgium Institute of Natural Sciences > Geological Survey of Belgium
Language :
English
Title :
Areas prone to land subsidence and their evolutions in Belgium during the last 30 years
Publication date :
12 July 2021
Event name :
IGARSS2021
Event organizer :
IEEE-Geoscience and Remote Sensing Society
Event place :
Brussels, Belgium
Event date :
12-16 July 2021
Audience :
International
Main work title :
IGARSS2021 Proceedings
Peer reviewed :
Peer reviewed
Name of the research project :
LASUGEO
Funders :
Politique Scientifique Fédérale (Belgique) - BELSPO
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