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Inproceedings Reference Sentinel-1 data and PSI Techniques for Monitoring Inter-Seismic Earth Deformation
Located in Library / RBINS Staff Publications
Proceedings Reference Combining offshore wind and wave energy extraction: an environmental perspective
Wind farm areas may provide an opportunity for the deployment of wave energy converters (WEC) in an environment with reduced risk of collision or accidental disturbance. Complementary use of electric infrastructure (export cable) and maintenance may provide additional economic incentives. We discuss a number of uncertainties and negative environmental interactions that were identified during the Environmental Impact Assessment (EIA) for the first offshore energy park combining offshore wind and wave energy extraction. Assumptions on possible impacts were inferred from research and monitoring results from both WEC pilot projects and offshore wind farms separately as well as from the Environmental Impact Statement (EIS) submitted by the developer. A number of uncertainties were identified with regards to seabirds, non indigenous species, marine mammals and maritime safety which will have to be addressed prior to a full scale deployment. As a result, the environmental license that was granted includes a pilot phase during which the above mentioned environmental impacts will be quantified.
Located in Library / RBINS Staff Publications
Article Reference Les premiers carnivoraformes du Paléocène d’Europe : implications concernant l’origine et la radiation des carnivores (Carnivoramorpha, Mammalia) en Laurasie
Jusqu’en 2014, le Paléocène d’Europe était caractérisé par l’absence de mammifères carnassiers spécialisés tels que les Carnivoramorpha, ancêtres des Carnivora actuels, des Hyaenodonta et des Oxyaenodonta. Cependant, des fouilles réalisées dans les années 1990 en Roumanie et au milieu des années 2000 en France dans des gisements datant du Paléocène terminal ont permis de découvrir plusieurs fossiles de mammifères carnassiers spécialisés. Les spécimens, que nous avons récemment étudiés, appartiennent tous aux Carnivoraformes (un des deux sousgroupes des Carnivoramorpha). L’espèce la plus complète a été découverte à Rivecourt (Oise, France). Elle est notamment représentée par un dentaire portant plusieurs dents (p4, m1 et m2). Le taxon est nouveau et présente les caractères distinctifs du genre Vassacyon. La seconde espèce provient de la localité de Jibou (Roumanie). Les trois spécimens retrouvés dans ce gisement sont des fragments de dents isolées ; malgré leur usure, des ressemblances avec le genre Gracilocyon sont visibles. Les deux taxons identifiés sont les plus anciennes occurrences pour chacun des genres. Les localités de Rivecourt et de Jibou datant du Paléocène terminal, elles sont considérées comme étant pratiquement contemporaines des gisements américains regroupés au sein du Clarkforkien (North American Land Mammal Age, NALMA). Cet âge est notamment caractérisé par la présence du plus ancien carnivoraforme connu ; la seule espèce identifiée à ce jour appartient au genre Uintacyon. Ce dernier présente des adaptations totalement différentes de celles de Vassacyon et Gracilocyon. Cette diversité des formes laurasiatiques au Paléocène terminal plaide donc pour l’existence d’une radiation des Carnivoraformes dès le Paléocène. En outre, cette diversité paléocène est en accord avec la diversité des formes recensées au tout début de l’Eocène inférieur en Laurasie. La diversité paléocène, ainsi que l’apparition tardive de Carnivoraformes – déjà dérivés – en Amérique du Nord et en Europe suggère que l’origine de ce groupe est à chercher ailleurs que sur ces deux continents. Les Carnivoraformes apparaissant sur ces deux continents vraisemblablement en même temps que les rongeurs (dont l’origine est asiatique), nous proposons une origine asiatique pour ces mammifères carnassiers. Cette hypothèse explique également les apparitions de Carnivoraformes observées au début de l’Eocène inférieur, à la fois en Europe et en Amérique du Nord. Enfin, et de manière générale, l’étude des échanges intralaurasiatiques aux alentours de la transition Paléocène-Eocène est importante afin de comprendre l’apparition et l’évolution des mammifères modernes (carnivores, primates, rongeurs, périssodactyles, artiodactyles).
Located in Library / RBINS Staff Publications
Inproceedings Reference Plant use in Medieval and Post-Medieval Brussels, an overview of the macrobotanical records
Located in Library / RBINS Staff Publications
Inproceedings Reference Food production and consumption in Brussels (10th-15th century AD)
Located in Library / RBINS Staff Publications
Inproceedings Reference An integrated approach to study complex urban site stratigraphy in Brussels: a state of the art.
Located in Library / RBINS Staff Publications
Inbook Reference New excavations in the Mesvin terrace (Belgium): implications for the appearance of Middle Palaeolithic
Located in Library / RBINS Staff Publications
Article Reference The Lahonry quarry at Lompret, Belgium: an extraordinary new site to study Upper Frasnian cephalopods during the onset of anoxia in the Dinant Basin
Located in Library / RBINS Staff Publications
Article Reference Upper Frasnian deposits at the Lahonry quarry (Lompret, Belgium): conodont biostratigraphy, microvertebrates and bentonites
Located in Library / RBINS Staff Publications
Inproceedings Reference Backscatter stability and influence of water column conditions: estimation by multibeam echosounder and repeated oceanographic measurements, Belgian part of the North Sea
The European Union Marine Strategy Framework Directive requires Member States to monitor and assess the health status of their marine habitats. Belgium put forward that the spatial extent and distribution of the major habitats (sandy mud to mud, muddy sands to sands and coarse-grained sediments), as well as that of gravel beds may only fluctuate within a margin that is limited to the accuracy of the current sediment distribution maps. Due to their ability to provide simultaneous bathymetry and backscatter strength (BS), reflecting seabed nature, multibeam echosounder systems (MBES) provide a time- and costefficient solution to anticipate on this legal obligation. However, as there is no formal quality level scale for the BS and consequently no level of reliability of the final decibel values, evaluating the BS quantitative capabilities to monitor habitat changes remains challenging. In a monitoring context, it is absolutely necessary to investigate to what extent the mean MBES-measured BS variation -from one cruise to another- actually represents a significant change in seabed properties and not only a change in the conditions of the water column (e.g., variation in near-bed suspensions, biological effects, increased occurrence of micro bubbles in the sea surface due to wind) at the time of the measurement. In order to evaluate the relative accuracy and the repeatability of MBES BS and to examine the external sources of variance in acoustic signatures, repeated measurements combining MBES with an Acoustic Doppler current Profiler (ADP) have been performed during tidal cycles on reference areas in the Belgian part of the North Sea. Currents and BS in the water column and vertical profiling of oceanographic parameters have been investigated allowing studying the influence of water column conditions on the BS. Measurements were conducted using two MBES systems to evaluate repeatability between echosounders. Ultimate goal is to arrive at seabed mapping and analyses protocols to obtain harmonized data products from a collaborative seabed mapping community.
Located in Library / RBINS Staff Publications