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Inproceedings Reference From SeaDataNet to SeaDataCloud: historical data collections and new data products
Temperature and Salinity historical data collections covering the time period 1900-2013/2014 were created for each European marginal sea (Arctic Sea, Baltic Sea, Black Sea, North Sea, North Atlantic Ocean, and Mediterranean Sea) within the framework of SeaDataNet2 Project and they are available as ODV collections through a web catalog (https://www.seadatanet.org/Products/Aggregated-datasets). Two versions have been published and they represent a snapshot of the SeaDataNet database content at two different times: V1.1 (January 2014) and V2 (March 2015). A Quality Control Strategy (QCS) was developped and continuously refined in order to improve the quality of the database content and create the best data products. The QCS consists of four main phases: 1) data harvesting from the data infrastructure; 2) file and parameter aggregation; 3) secondary quality check analysis; 4)correction of data anomalies. The approach is iterative to facilitate the upgrade of the database content and it allows a versioning of data products. Regional temperature and salinity monthly climatologies have been produced from V1.1 historical data collections and they are also available (https://www.seadatanet.org/Products/Climatologies). Within the new SeaDataCloud Project the release of updated historical data collections and new climatologies is planned. SeaDataCloud novelties are the introduction of decadal climatologies at various resolutions, the development of climatologies for the Global Ocean and a task dedicated to new data products, like Mixed Layer Depth climatologies, Ocean Heat Content estimates, coastal climatologies from HF radar data. All SeaDataCloud products are available through a dedicated web catalogue together with their relative Digital Object Identifier (DOI) and Product Information Document (PIDoc) containing all specifications about product’s generation, quality assessment and technical details to facilitate users’ uptake. The presentation will briefly overview the existing SeaDataNet products and introduce the SeaDataCloud products’ plan, but the main focus will be on the first release (February 2018) of SeaDataCloud Temperature and Salinity historical data collections, spanning the time period 1900-2017, their characteristics in terms of space-time data distribution and their usability.
Located in Library / RBINS Staff Publications 2018
Proceedings Reference Geological evidence for extreme wave events on a coastal lowland facing the Tokai segment of the Nankai-Suruga Trough
Located close to Japan’s densest concentrations of people and industry, the easternmost region of the Nankai-Suruga subduction zone has long been the focus of attempts to forecast and even precisely predict future earthquakes. While historical records attest to the occurrence of great earthquakes and subsequent tsunamis that may have originated from the Tōkai segment, past rupture zone extents and recurrence intervals remain poorly understood. Coastal stratigraphy has the potential to record the occurrence of both tsunami inundation and coseismic vertical land-level change over timescales far exceeding the historical record, with important implications for refining understanding of future hazards (Garrett et al., 2016). Here we present initial results from an extensive coring survey of the lower reaches of the floodplain of the Sagara River, close to the town of Sagara, Shizuoka Prefecture. The site lies at an altitude of ~1 – 5 m and is within the anticipated inundation zone of future worst-case tsunami scenarios. Typhoon-driven storm surges and river floods are also likely to have inundated the site, complicating the interpretation of potential tsunami deposits. Using CT scans, multi-sensor core logs, diatom assemblages and radiocarbon dates, we evaluate sedimentary processes and make the distinction between extreme wave events and fluvial deposits. Where possible, we assess methods to differentiate between storm surges and tsunami deposits. Finally, we evaluate the potential for the site to provide a long and continuous record of extreme wave events and highlight the probable influence of changing thresholds of evidence creation and preservation over time.
Located in Library / RBINS Staff Publications 2017
Inproceedings Reference Multi-scale ocean colour synergy producs for coastal water quality monitoring
Located in Library / RBINS Staff Publications 2020
Inproceedings Reference THE PEAT DEPOSITS FROM BRUSSELS (BELGIUM): THE HOLOCENE EVOLUTION OF THE LANDSCAPE IN THE SENNE VALLEY
Whereas the evolution of the land cover of the Holocene landscape is rather well documented for the main basin of the Scheldt river (Verbruggen et al , 1996), the vegetation history of Senne valley remains poorly documented Over the last decade, during the systematic archaeological survey conducted by the Direction of Monuments and Sites of the Brussels Capital Region, several exceptionally well preserved meters thick peat deposits have been discovered in the historical centre of Brussels and its surroundings The first results of the palynological, paleofire and geoarchaeological studies reveal a nearly continuous sequence throughout the Holocene The interdisciplinary study of these deposits offer a huge potential to explore the evolution of the paleoenvironment in the river valley and further to contribute to spatial reconstructing the landscape development of the area trough the time As the sites are situated as well in the historical city centre as in the surrounding area it will also allow us to reconstruct the impact of the urbanisation on the natural vegetation and transformation of the peatland ecosystem into urban and cultivated areas in Brussels and its immediate surroundings
Located in Library / RBINS Staff Publications 2017
Inproceedings Reference Solving the missing pieces of the gharial puzzle: new phylogenetic framework combining morphological, molecular, and biostratigrapic data to unravel the evolution of long-snouted crocodylians
Located in Library / RBINS Staff Publications 2022
Inproceedings Reference An update on the Maastrichtian Geoheritage Project
The youngest time interval of the Cretaceous is known as the Maastrichtian Age, a reference to the strata exposed in the area surrounding the city of Maastricht, in the Netherlands-Belgium border region (Jagt 2001). The stratigraphic succession at the original type-locality of the Maastrichtian (adjacent to the former ENCI quarry, south of Maastricht) only covers the upper part of the Maastrichtian Stage as defined nowadays. However, recent integrated bio- and chemostratigraphic revision by Vellekoop et al. (2022) has shown that in combination with similar lithological sequences at other quarries in the region (e. g., Hallembaye, Curfs), a substantial part of the Maastrichtian Stage is represented. Over the past centuries, the type-Maastrichtian strata have provided a wealth of paleontological data. Despite its importance to the global geological community, most of the quarries in the region have been closed over the last decades. Instrumental quarries such as that of Curfs have already been out of commission for more than a decade, while others, such as the ENCI quarry, were recently closed. Because the soft limestone rocks weather easily and become overgrown rapidly, access to and study of the Maastrichtian rock succession in its type area is becoming very limited. To preserve the geological heritage of this original type-locality of the Maastrichtian, in 2018 we initiated the ‘Maastrichtian Geoheritage Project’. The goal of this project is to preserve the geological heritage of the Maastrichtian type area by (1) digital imagery, using drone photogrammetry and Differential GPS Base & Rover to generate high-resolution and georeferenced 3D models of the most important quarries in the Maastrichtian type region; and (2) archiving rock samples of these quarries for future research. Over the past years, we collected high-resolution (5 cm spacing) reference sample sets from the Hallembaye (2018) and ENCI (2019) quarries, and generated detailed geo-referenced 3D models for both quarries. For the next few years, several other instrumental quarries will be targeted. The acquired sample sets have already spurred a range of stratigraphic, geochemical and paleontological studies (e.g. Vellekoop et al. 2022), including detailed profiles of carbon isotope data and major and trace element concentrations, and many more to come. Moreover, the Maastrichtian Geoheritage Project sample sets will be made available for collaboration with other researchers in the field. Jagt, J.W.M., 2001. The historical stratotype of the Maastrichtian: A review. In: Odin, G.S. (Ed.), The Campanian-Maastrichtian Boundary, pp. 711–722. Elsevier Science B.V. Vellekoop, J. et al. 2022. A new age model and chemostratigraphic framework for the Maastrichtian type area (southeastern Netherlands, northeastern Belgium). Newsletters on Stratigraphy [accepted]
Located in Library / RBINS Staff Publications 2022 OA
Inproceedings Reference From the ashes: a new project on the evolution and overturn of marine and terrestrial ecosystems through the early Paleogene of northwestern Europe
The Paleogene Period can be considered the cradle of modern marine and terrestrial ecosystems (e.g. Krug et al., 2009; Field et al,. 2018). After global catastrophe at the K-Pg boundary, life recovered and repopulated marine and terrestrial ecosystems (Vellekoop et al., 2017; Lowery et al., 2018; Lowery et al., 2019; Vellekoop et al., 2020), eventually heralding the establishment of the rich and diverse modern marine and terrestrial ecosystems (Krug et al., 2009; Field et al., 2018). It has been suggested the crucial biotic evolution and overturn during the Paleogene was at least partly driven by the climatic evolution across this time interval (e.g. Widlansky et al., 2021). For example, the PETM (56 Ma) likely was key in reshaping the biosphere (Smith et al., 2020). During this hyperthermal, the first representatives of modern mammal orders (e.g., primates, artiodactyls, perissodactyls) suddenly spread over all northern continents, while marine ecosystems are characterized by marked extinctions, radiations and migrations (Gibbs et al., 2012; Speijer et al., 2012). Nevertheless, the evolutionary importance of other warming pulses (e.g., Eocene Thermal Maximum 2 or ETM-2) or the gradual climate trends towards the EECO remains unclear for most fossil groups. For northwestern Europe, terrestrial faunas appear to have been almost consistently in a dynamic state across this time interval, strongly influenced by dispersal events. In contrast to the PETM, the exact timing and paleogeographic conditions remain poorly constrained for post-PETM warming pulses, as only tentative chronological correlation with the Paleogene global temperature curves are established. Therefore, we have initiated a new collaborative project, aimed at creating (1) a better chronostratigraphic framework of Paleogene bioevents among vertebrates, by detailed study of marine and terrestrial strata containing, or interfingering with, vertebrate-rich beds in NW Europe, and (2) generating a better understanding the role of climate change on biotic evolution and overturns during the Early Paleogene, from both a marine and terrestrial perspective.
Located in Library / RBINS Staff Publications 2022 OA
Inproceedings Reference Octet Stream On the recovery of marine productivity across the Cretaceous-Paleogene (K/Pg) boundary
Located in Library / RBINS Staff Publications 2022
Article Reference Late Pleistocene modern human diversity in Central Africa
Located in Library / RBINS Staff Publications 2017
Article Reference The Upper Paleolithic human remains from the Troisieme caverne of Goyet (Belgium)
Located in Library / RBINS Staff Publications 2017