Xavier Devleeschouwer
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View article: Assessing Hydrogeological Hazards in the Post-Mining Region in Saint-Vaast, Belgium: Insights from Three Decades of SAR Data and Piezometric Analysis
Assessing Hydrogeological Hazards in the Post-Mining Region in Saint-Vaast, Belgium: Insights from Three Decades of SAR Data and Piezometric Analysis Open
This study assesses hydrogeological hazards in the Saint-Vaast region, Belgium, impacted by three decades of deformation post-coal mine closure. Using Persistent Scatterer Interferometric Synthetic Aperture Radar (PS-InSAR) applied to 30 y…
View article: Decoding the urban geo-puzzle: navigating geological issues and global challenges through the lens of the Urban Geo-climate Footprint 
Decoding the urban geo-puzzle: navigating geological issues and global challenges through the lens of the Urban Geo-climate Footprint  Open
At present, worldwide population and economic expansion boosts the demand for environmental resources and urban development. According to the 2022 United Nations World Population Prospect, the global population may reach up to 9.7 billion …
View article: Current status of the Urban Geo-climate Footprint project
Current status of the Urban Geo-climate Footprint project Open
The Urban Geo-climate Footprint (UGF) project has been developed in the context of the Urban Geology Expert Group of Euro Geo Surveys, aimed to define a new methodology to classify and cluster cities by geological and climatic point of vie…
View article: Difficulties arising when PS-InSAR displacement measurements are compared to results from geomechanical and groundwater flow computations.
Difficulties arising when PS-InSAR displacement measurements are compared to results from geomechanical and groundwater flow computations. Open
Interferometric Synthetic Aperture Radar (InSAR) technology has been used to detect the location and magnitude of ground deformation for the past 30 years, providing cost-effective measurements with a fine resolution and precision within c…
View article: Subsidence Evolution of Antwerp Region, Belgium over 77 Years, Using Historical Levelling and GNSS Data and Recent Persistent Scatterers Interferometry Observations
Subsidence Evolution of Antwerp Region, Belgium over 77 Years, Using Historical Levelling and GNSS Data and Recent Persistent Scatterers Interferometry Observations Open
A combination of historical levelling surveys, recent Global Navigation Satellite System (GNSS) campaign, and Persistent Scatterers Interferometry (PSI) measurements reveal that the harbour of Antwerp in Belgium has been sinking for the la…
View article: Post Mining Ground Deformations Transition Related to Coal Mines Closure in the Campine Coal Basin, Belgium, Evidenced by Three Decades of MT-InSAR Data
Post Mining Ground Deformations Transition Related to Coal Mines Closure in the Campine Coal Basin, Belgium, Evidenced by Three Decades of MT-InSAR Data Open
Spatio-temporal ground-movement measurements and mappings have been carried out in the Campine coalfield in Belgian Limburg since the closure of the mines to document post-mining effects. MT-InSAR measurements are compared to groundwater h…
View article: Large-Scale ENVISAT ASAR Persistent Scatterer Interferometry Using GNSS ZTD Products
Large-Scale ENVISAT ASAR Persistent Scatterer Interferometry Using GNSS ZTD Products Open
<p>Interferometric Synthetic Aperture Radar (InSAR) provides essential information dealing with different natural hazards caused by hydrogeological processes turned into subsidence (Lu et al., 2010). Among all geodetic techniques for…
View article: Modelling land subsidence caused by groundwater exploitation and revealed by geodetic InSAR measurements in the Leuven area
Modelling land subsidence caused by groundwater exploitation and revealed by geodetic InSAR measurements in the Leuven area Open
Synthetic Aperture Radar (SAR) is used since the late 1990s to measure slow-moving ground deformations. The SAR Interferometry (InSAR) technique provides high-density measurements of changes in land surface altitude over large-scale areas.…
View article: Land Subsidence Observed in the Merchtem Area (Flanders) – 30 Years of SAR Data Associated to Groundwater Withdrawal?
Land Subsidence Observed in the Merchtem Area (Flanders) – 30 Years of SAR Data Associated to Groundwater Withdrawal? Open
peer reviewed
View article: Areas Prone to Land Subsidence and their Evolutions in Belgium During the Last 30 Years
Areas Prone to Land Subsidence and their Evolutions in Belgium During the Last 30 Years Open
peer reviewed
View article: Long-Term Subsidence Monitoring of the Alluvial Plain of the Scheldt River in Antwerp (Belgium) Using Radar Interferometry
Long-Term Subsidence Monitoring of the Alluvial Plain of the Scheldt River in Antwerp (Belgium) Using Radar Interferometry Open
The coupled effects of climate change, sea-level rise, and land sinking in estuaries/alluvial plains prone to inundation and flooding mean that reliable estimation of land movements/subsidence is becoming more crucial. During the last few …
View article: StratigrapheR: Concepts for Litholog Generation in R
StratigrapheR: Concepts for Litholog Generation in R Open
The StratigrapheR package proposes new concepts for the generation of lithological logs, or lithologs, in R. The generation of lithologs in a scripting environment opens new opportunities for the processing and analysis of stratified geolo…
View article: StratigrapheR: making and using lithologs in R
StratigrapheR: making and using lithologs in R Open
<p>StratigrapheR is an open-source integrated stratigraphy package. It is available in the free software environment R (https://CRAN.R-project.org/package=StratigrapheR) and is designed to generate lithologs in a semi-automated way, …
View article: Shallow Geothermal Resources Assessment of the Brussels Region: Exploration, 3D Geological Model, Geothermal Potential Mapping and Challenges Related
Shallow Geothermal Resources Assessment of the Brussels Region: Exploration, 3D Geological Model, Geothermal Potential Mapping and Challenges Related Open
<p>In 2015, a legal framework was implemented in the Brussels-Capital Region (BCR) where passive construction has been mandatory with an obliged heat demand not exceeding 15 kW<sub>h</sub>/m<sup>2</sup>. Since…
View article: A posteriori verification methodology for astrochronology: a step further to improve the falsifiability of cyclostratigraphy
A posteriori verification methodology for astrochronology: a step further to improve the falsifiability of cyclostratigraphy Open
<p>Cyclostratigraphy is increasingly used to improve the Geologic Time Scale and our understanding of past climatic systems. However, except in a few existing methodologies, the quality of the results is often not evaluated.</p>…
View article: High-resolution integrated stratigraphy of the Hauterivian in Umbria-Marche (Central Italy)
High-resolution integrated stratigraphy of the Hauterivian in Umbria-Marche (Central Italy) Open
Lower Cretaceous Hauterivian sediments are found in Central Italy as part of the Maiolica Fm. These sediments present strongly contrasting lithologies. From the original radiolarian calcareous ooze that constituted the bulk of the initial …
View article: StratigrapheR: an R package for integrated stratigraphy
StratigrapheR: an R package for integrated stratigraphy Open
StratigrapheR is an open-source integrated stratigraphy package. It is available in the free software environment R (https://CRAN.R-project.org/package=StratigrapheR) and is designed to manage the large amount of data needed to perform cyc…
View article: Litholog generation with the StratigrapheR package and signal decomposition for cyclostratigraphic purposes
Litholog generation with the StratigrapheR package and signal decomposition for cyclostratigraphic purposes Open
To establish an astronomical time scale, it is useful to perform a visual inspection of the lithological evolution, together with proxies record. It allows to have a clear understanding of the expression of Milankovitch cyclicity. However,…
View article: How to interpret the offset between marls and limestones of carbon isotopes on the bulk rocks in Zumaia GSSP (Spain)?
How to interpret the offset between marls and limestones of carbon isotopes on the bulk rocks in Zumaia GSSP (Spain)? Open
The Zumaia section in Spain is the Global Stratotype Section and Point (GSSP) for the Selandian and Thanetian (Schmitz et al. 2011). It has been much studied for bulk rock stable carbon isotopes in the Danian-Selandian transition interval …
View article: Progressive increase in organic-matter burial and preservation from the “Weissert” event to the Faraoni event in Umbria-Marche (central Italy)
Progressive increase in organic-matter burial and preservation from the “Weissert” event to the Faraoni event in Umbria-Marche (central Italy) Open
The Cretaceous experienced several Oceanic Anoxic Events (or OAEs). Anoxia in these events is indicated by deposits of black shales, enriched in organic matter (OM) compared to the layers below and above, strong carbon isotope perturbation…
View article: A Study of Ground Movements in Brussels (Belgium) Monitored by Persistent Scatterer Interferometry over a 25-Year Period
A Study of Ground Movements in Brussels (Belgium) Monitored by Persistent Scatterer Interferometry over a 25-Year Period Open
The time series of Synthetic Aperture Radar data acquired by four satellite missions (including ERS, Envisat, TerraSAR-X and Sentinel 1) were processed using Persistent Scatterer interferometric synthetic aperture radar (InSAR) techniques.…
View article: 5th International Geologica Belgica Congress: 26–29 January 2016 – Mons, Belgium
5th International Geologica Belgica Congress: 26–29 January 2016 – Mons, Belgium Open
Exploring the potential
View article: Magnetic susceptibility application: a window onto ancient environments and climatic variations: foreword
Magnetic susceptibility application: a window onto ancient environments and climatic variations: foreword Open
Magnetic susceptibility (MS) is a powerful tool, which is being applied increasingly on sedimentary rocks to constrain stratigraphic correlations, or as a palaeo-environmental or palaeo-climatic tool. The origin of the magnetic minerals re…