Open research EuropePub Date : 2024-10-18eCollection Date: 2024-01-01DOI: 10.12688/openreseurope.17992.2
Benjamin Molina, Carlos E Palau, Jaime Calvo-Gallego
{"title":"Enriching Earth observation datasets through semantics for climate change applications: The EIFFEL ontology.","authors":"Benjamin Molina, Carlos E Palau, Jaime Calvo-Gallego","doi":"10.12688/openreseurope.17992.2","DOIUrl":"10.12688/openreseurope.17992.2","url":null,"abstract":"<p><strong>Background: </strong>Earth Observation (EO) datasets have become vital for decision support applications, particularly from open satellite portals that provide extensive historical datasets. These datasets can be integrated with in-situ data to power artificial intelligence mechanisms for accurate forecasting and trend analysis. However, researchers and data scientists face challenges in finding appropriate EO datasets due to inconsistent metadata structures and varied keyword descriptions. This misalignment hinders the discoverability and usability of EO data.</p><p><strong>Methods: </strong>To address this challenge, the EIFFEL ontology (EIFF-O) is proposed. EIFF-O introduces taxonomies and ontologies to provide (i) global classification of EO data and (ii) linkage between different datasets through common concepts. The taxonomies specified by the European Association of Remote Sensing Companies (EARSC) have been formalized and implemented in EIFF-O. Additionally, EIFF-O incorporates:1.An Essential Climate Variable (ECV) ontology, defined by the Global Climate Observing System (GCOS), is embedded and tailored for Climate Change (CC) applications.2.The Sustainable Development Goals (SDG) ontology is included to facilitate linking datasets to specific targets.3.The ontology extends schema.org vocabularies and promotes the use of JavaScript Object Notation for Linked Data (JSON-LD) formats for semantic web integration.</p><p><strong>Results: </strong>EIFF-O provides a unified framework that enhances the discoverability, usability, and application of EO datasets. The implementation of EIFF-O allows data providers and users to bridge the gap between varied metadata descriptions and structured classification, thereby facilitating better linkage and integration of EO datasets.</p><p><strong>Conclusions: </strong>The EIFFEL ontology represents a significant advancement in the organization and application of EO datasets. By embedding ECV and SDG ontologies and leveraging semantic web technologies, EIFF-O not only streamlines the data discovery process but also supports diverse applications, particularly in Climate Change monitoring and Sustainable Development Goals achievement. The open-source nature of the ontology and its associated tools promotes rapid adoption among developers.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"133"},"PeriodicalIF":0.0,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11555329/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142634226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open research EuropePub Date : 2024-10-18eCollection Date: 2022-01-01DOI: 10.12688/openreseurope.14332.1
Theresia Perger, Hans Auer
{"title":"Dynamic participation in local energy communities with peer-to-peer trading.","authors":"Theresia Perger, Hans Auer","doi":"10.12688/openreseurope.14332.1","DOIUrl":"10.12688/openreseurope.14332.1","url":null,"abstract":"<p><strong>Background: </strong>Energy communities and local electricity markets (e.g., as peer-to-peer trading) are on the rise due to increasingly decentralized electricity generation and favorable adjustment of the legal framework in many European countries.</p><p><strong>Methods: </strong>This work applies a bi-level optimization model for dynamic participation in peer-to-peer electricity trading to determine the optimal parameters of new participants who want to join an energy community, based on the preferences of the members of the original community (e.g., environmental, economic, or mixed preference). The upper-level problem chooses optimal parameters by minimizing an objective function that includes the prosumers' cost-saving and emission-saving preferences, while the lower level problem maximizes community welfare by optimally allocating locally generated photovoltaic (PV) electricity between members according to their willingness-to-pay. The bi-level problem is solved by transforming the lower level problem by its corresponding Karush-Kuhn-Tucker (KKT) conditions.</p><p><strong>Results: </strong>The results demonstrate that environment-oriented prosumers opt for a new prosumer with high PV capacities installed and low electricity demand, whereas profit-oriented prosumers prefer a new member with high demand but no PV system capacity, presenting a new source of income. Sensitivity analyses indicate that new prosumers' willingness-to-pay has an important influence when the community must decide between two new members.</p><p><strong>Conclusions: </strong>The added value of this work is that the proposed method can be seen as a basis for a selection process between a large number of potential new community members. Most important future work will include optimization of energy communities over the horizon several years.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"2 ","pages":"5"},"PeriodicalIF":0.0,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10445879/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10307646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open research EuropePub Date : 2024-10-18eCollection Date: 2024-01-01DOI: 10.12688/openreseurope.17831.1
Wajiha Rehman, Tim Bunnik, Onno Bokhove, Mark Kelmanson
{"title":"Experimental Modelling of Water-Wave Interactions with a Flexible Beam.","authors":"Wajiha Rehman, Tim Bunnik, Onno Bokhove, Mark Kelmanson","doi":"10.12688/openreseurope.17831.1","DOIUrl":"https://doi.org/10.12688/openreseurope.17831.1","url":null,"abstract":"<p><p>A series of fluid-structure-interaction (FSI) experiments is presented for studying water-wave interactions with a flexible beam in a wide range of sea conditions, thereby yielding a repository of FSI test-case data. The aim is to use these experimental data in order to validate FSI solvers commonly employed by the maritime industry in the design of fixed-foundation, offshore wind turbines. The experimental set-up allows simultaneous measurements of beam deflections and their effect on incident and reflected waves. In addition, the study is carried out in a wide range of sea conditions ranging from regular-to-irregular and moderate-to-extreme wave height and steepness. The study of such a wide range of conditions makes the experiments suitable for providing reliable data in the validation of a suite of mathematical and numerical FSI solvers, i.e., linear, nonlinear and high-fidelity. The data from the experiments are made publicly available through open-source data-sharing platforms.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"229"},"PeriodicalIF":0.0,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11607480/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142775328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open research EuropePub Date : 2024-10-18eCollection Date: 2024-01-01DOI: 10.12688/openreseurope.17806.1
Deborah Bastoni, Mauricio Aguilera, Felipe Aguilera, Jenny M Blamey, Joy Buongiorno, Agostina Chiodi, Angelina Cordone, Alfredo Esquivel, Marco Giardina, Cristobal Gonzalez, Joaquin Gutierrez, Nahun Irarrazabal, Viola Krukenberg, Susana Layana, Jacopo Pasotti, Carlos J Ramirez, Alejandro Rodriguez, Timothy J Rogers, Claudia Rojas, Jorge Sánchez-SanMartín, Matt O Schrenk, Hector Vallejos, Gerdhard L Jessen, Peter H Barry, J Maarten de Moor, Karen G Lloyd, Donato Giovannelli
{"title":"Targeting deeply-sourced seeps along the Central Volcanic Zone.","authors":"Deborah Bastoni, Mauricio Aguilera, Felipe Aguilera, Jenny M Blamey, Joy Buongiorno, Agostina Chiodi, Angelina Cordone, Alfredo Esquivel, Marco Giardina, Cristobal Gonzalez, Joaquin Gutierrez, Nahun Irarrazabal, Viola Krukenberg, Susana Layana, Jacopo Pasotti, Carlos J Ramirez, Alejandro Rodriguez, Timothy J Rogers, Claudia Rojas, Jorge Sánchez-SanMartín, Matt O Schrenk, Hector Vallejos, Gerdhard L Jessen, Peter H Barry, J Maarten de Moor, Karen G Lloyd, Donato Giovannelli","doi":"10.12688/openreseurope.17806.1","DOIUrl":"10.12688/openreseurope.17806.1","url":null,"abstract":"<p><p>At convergent margins, plates collide producing a subduction process. When an oceanic plate collides with a continental plate, the denser (i.e., oceanic) plate subducts beneath the less dense (continental) plate. This process results in the transportation of carbon and other volatiles into Earth's deep interior and is counterbalanced by volcanic outgassing. Sampling deeply-sourced seeps and fumaroles throughout a convergent margin allows us to assess the processes that control the inventory of volatiles and their interaction with the deep subsurface microbial communities. The Andean Convergent Margin is volcanically active in four distinct zones: the Northern Volcanic Zone, the Central Volcanic Zone, the Southern Volcanic Zone and the Austral Volcanic Zone, which are each characterised by significantly different subduction parameters like crustal thickness, age of subduction and subduction angle. These differences can change subduction dynamics along the convergent margin, possibly influencing the recycling efficiency of carbon and volatiles and its interaction with the subsurface microbial communities. We carried out a scientific expedition, sampling along a ~800 km convergent margin segment of the Andean Convergent Margin in the Central Volcanic Zone of northern Chile, between 17 °S and 24 °S, sampling fluids, gases and sediments, in an effort to understand interactions between microbiology, deeply-sourced fluids, the crust, and tectonic parameters. We collected samples from 38 different sites, representing a wide diversity of seep types in different geologic contexts. Here we report the field protocols and the descriptions of the sites and samples collected.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"226"},"PeriodicalIF":0.0,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11803389/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open research EuropePub Date : 2024-10-18eCollection Date: 2024-01-01DOI: 10.12688/openreseurope.17205.2
Stephen Burleigh, Håkan Jönsson
{"title":"European agrifood and forestry education for a sustainable future - Gap analysis from an informatics approach.","authors":"Stephen Burleigh, Håkan Jönsson","doi":"10.12688/openreseurope.17205.2","DOIUrl":"10.12688/openreseurope.17205.2","url":null,"abstract":"<p><strong>Background: </strong>The NextFood Project ( www.nextfood-project.eu) started work in 2018 to identify 'Categories of Skills' that students should be equipped with to address the upcoming global challenges within agrifood and forestry disciplines, and involved concepts such as sustainability, technological adaptation and networking. This study is based on the initial skills and competencies mapping, but takes a different methodological approach. Instead of investigating what the research literature and professionals think are important skills for the future, this study asks how existing education programmes include or exclude these skills in the description of their programs.</p><p><strong>Methods: </strong>Python-based web-scraping scripts were used to collect texts from a selection of European Masters program websites, which were then analysed using statistical tools. A total of 14 countries, 27 universities, 1303 European Masters programs, 3305 web-pages and almost two million words were studied using this approach.</p><p><strong>Results: </strong>While agrifood and forestry Masters programs were aligned with the NextFood Project 'Categories of Skills' equal to or more often than unrelated Masters programs, we found evidence for the relative underuse of words associated with networking skills, such as collaboration, communication and teamwork. Agriculture-related programs used these words the least among the agrifood Masters programs. In contrast, agrifood programs used words associated with sustainability and system thinking more than the non-agrifood Masters programs.</p><p><strong>Conclusions: </strong>The informatics approach provides evidence that many European agrifood and forestry Masters programs are following the educational paths for meeting future challenges as outlined by the NextFood Project, with the possible exception of networking skills. This approach allows a complementary and time-efficient overview of the current state of education in the agrifood system in Europe.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"93"},"PeriodicalIF":0.0,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11757921/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open research EuropePub Date : 2024-10-17eCollection Date: 2024-01-01DOI: 10.12688/openreseurope.18160.2
Magdalena Zborowska, Jakub Brózdowski, Jakob Starlander, Jiri Woitsch, Erika Ribechini, Rodica-Mariana Ion, Oliver Nelle, Koen Deforce, Anna Varga, Péter Szabó, Elena Badea, Johannes Tintiner-Olifiers, Katja Tikka, Jeannette Jacqueline Lucejko
{"title":"Network for forest by-products charcoal, resin, tar, potash (COST Action EU-PoTaRCh).","authors":"Magdalena Zborowska, Jakub Brózdowski, Jakob Starlander, Jiri Woitsch, Erika Ribechini, Rodica-Mariana Ion, Oliver Nelle, Koen Deforce, Anna Varga, Péter Szabó, Elena Badea, Johannes Tintiner-Olifiers, Katja Tikka, Jeannette Jacqueline Lucejko","doi":"10.12688/openreseurope.18160.2","DOIUrl":"https://doi.org/10.12688/openreseurope.18160.2","url":null,"abstract":"<p><p>The COST EU-PoTaRCh Action establishes a network focused on the past, present, and future significance, production, and use of major forest by-products in Europe and beyond. The Action centers around forest by-products-primarily potash, tar, resin, and charcoal (PoTaRCh), along with plant extracts-which have been produced and utilized for over 100,000 years due to their unique chemical, biological, and therapeutic properties. The primary goal of the Action is to demonstrate the importance of these products for the socio-economic development of European countries and beyond, as well as their impact on biodiversity and the natural environment. The Action's objectives are organized into five Working Groups (WGs), each aligned with specific areas of interest: heritage, chemical characterization, archaeology, environmental history, and future perspectives of PoTaRCh materials. A key aspect of the Action is its support for stakeholders outside the scientific community who possess knowledge of PoTaRCh products through their use in industries such as production, education, and the promotion of forests' natural and cultural heritage. In doing so, the Action brings together stakeholders with diverse activity profiles, including museums, state forests, the forestry industry, associations dedicated to preserving traditions, and the tourism sector. The EU-PoTaRCh Action adheres to the three key principles of COST's inclusiveness policy: participation of inclusiveness target countries, gender balance, and the involvement of young researchers, including in leadership positions.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"176"},"PeriodicalIF":0.0,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11489833/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142482549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Digital marketplaces in European research landscape: A systematic literature review.","authors":"Georgios Nikoletos, Iordanis Papoutsoglou, Georgios Spanos, Alexandros Nizamis, Antonios Lalas, Konstantinos Votis, Dimitrios Tzovaras","doi":"10.12688/openreseurope.18657.1","DOIUrl":"https://doi.org/10.12688/openreseurope.18657.1","url":null,"abstract":"<p><p>The e-commerce and digital technologies growth, has led to the emergence of various electronic marketplaces having the ability to connect parties across geographical locations, thus offering convenience and flexibility. The European Union recognizes the prowess of digital marketplaces and for this reason, many EU-funded projects presented e-marketplaces in various sectors. For this reason, a Systematic Literature Review (SLR) is proposed to summarize recent studies in the field, providing a comprehensive overview of specific business and technical characteristics, and extracting valuable insights. From the SLR, 26 primary studies have been extracted during 2013-2023. The analysis highlighted that there are five marketplace types in terms of market offerings, catering to multiple sectors of economy. Moreover, the emergence of the blockchain technology has led to the development of decentralized marketplaces, offering greater security, and transparency. This trend is also reflected by the results alongside with some useful outcomes regarding implementation technologies, interoperability and deployment. Finally, the results highlighted that the exploitation of these marketplace is an open issue.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"223"},"PeriodicalIF":0.0,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11803373/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open research EuropePub Date : 2024-10-17eCollection Date: 2024-01-01DOI: 10.12688/openreseurope.17112.2
Clemens Vinzenz Ullmann, Maria Ina Arnone, Eva Jimenez-Guri
{"title":"Natural sea water and artificial sea water are not equivalent in plastic leachate contamination studies.","authors":"Clemens Vinzenz Ullmann, Maria Ina Arnone, Eva Jimenez-Guri","doi":"10.12688/openreseurope.17112.2","DOIUrl":"10.12688/openreseurope.17112.2","url":null,"abstract":"<p><strong>Background: </strong>Plastic contamination is one of the concerns of our age. With more than 150 million tons of plastic floating in the oceans, and a further 8 million tons arriving to the water each year, in recent times the scientific community has been studying the effects these plastics have on sea life both in the field and with experimental approaches. Laboratory based studies have been using both natural sea water and artificial sea water for testing various aspects of plastic contamination, including the study of chemicals leached from the plastic particles to the water. We set out to test this equivalence, looking at the leaching of heavy metals form plastic particles.</p><p><strong>Methods: </strong>We obtained leachates of polyvinyl chloride plastic pre-production nurdles both in natural and artificial sea water and determined the elements in excess from untreated water by Inductively coupled plasma - optical emission spectrometry. We then used these different leachates to assess developmental success in the tunicate <i>Ciona intestinalis</i> by treating fertilised eggs through their development to hatched larvae.</p><p><strong>Results: </strong>Here we report that chemical analysis of polyvinyl chloride plastic pre-production pellet leachates shows a different composition in natural and artificial sea water. We find that the zinc leaching from the plastic particles is up to five times higher in natural seawater than in artificial seawater, and this can have an effect in the toxicological studies derived. Indeed, we observe different effects in the development of <i>C. intestinalis</i> when using leachates in natural or artificial sea water. We also observe that not all artificial sea waters are suitable for studying the development of the tunicate <i>C. intestinalis</i>.</p><p><strong>Conclusions: </strong>Our results show that, at least in this case, both types of water are not equivalent to produce plastic leachaetes and suggest that precaution should be taken when conclusions are derived from results obtained in artificial sea water.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"59"},"PeriodicalIF":0.0,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11427872/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142333962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open research EuropePub Date : 2024-10-15eCollection Date: 2024-01-01DOI: 10.12688/openreseurope.17727.2
Kacper Kubrak, Grigore M Havârneanu
{"title":"Railway security checks at the border: between intrusive security technologies and fundamental traveller rights.","authors":"Kacper Kubrak, Grigore M Havârneanu","doi":"10.12688/openreseurope.17727.2","DOIUrl":"https://doi.org/10.12688/openreseurope.17727.2","url":null,"abstract":"<p><p>European railway borders are facing a particular exposure to security threats and need a delicate balance between securitization and free movement, especially amid globalisation, the current geopolitical landscape and increased migrant flows. For example, the war in Ukraine illustrated the challenges experienced at the Eastern EU borders by the refugee migration surge in early 2022. This exploratory focuses on the European border security control process from the rail border perspective. It encompasses a descriptive synthesis of the lessons learned from the UIC Refugee Task Force as well as insights from the ongoing EU-funded Horizon Europe project ODYSSEUS (Unobtrusive Technologies for Secure and Seamless Border Crossing for Travel Facilitation). Project ODYSSEUS aims to support the security and integrity of the European space, reduce illegal movements of people and goods across EU borders, facilitate travelling for citizens all while protecting fundamental rights of travellers. The project will test a combination of multi-behavioural and General Data Protection Regulation (GDPR) compliant biometric user identity verification tools, allowing, when possible, citizens to cross EU border without any interruption or queue. Further, novel luggage and baggage checks will allow citizens' vehicles and cargos to be remotely checked at land borders to speed up the border check processes in a secure and reliable manner. The project will run three pilot tests at road, rail and water borders. In this paper, we analyse the implementation of project's technologies in the rail border crossing pilot test and discuss the implications for the actors involved in the process of railway border crossing (e.g., border authorities, railway operators and railway travellers).</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"138"},"PeriodicalIF":0.0,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11499734/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142514277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open research EuropePub Date : 2024-10-15eCollection Date: 2024-01-01DOI: 10.12688/openreseurope.17033.2
Jean-Baptiste P Koehl, Eirik Stokmo
{"title":"Caledonian reactivation and reworking of Timanian thrust systems and implications for latest Mesoproterozoic to mid-Paleozoic tectonics and magmatism in northern Baltica.","authors":"Jean-Baptiste P Koehl, Eirik Stokmo","doi":"10.12688/openreseurope.17033.2","DOIUrl":"10.12688/openreseurope.17033.2","url":null,"abstract":"<p><strong>Background: </strong>The Trollfjorden-Komagelva Fault Zone is the southernmost thrust fault of the Timanian Orogen and extends for thousands of kilometers from northwestern Russia to northern Norway. Though there is little about its location onshore northeastern Norway, where it is mapped as a major fault system dominantly comprised of NNE-dipping thrust faults, its continuation to the west below Caledonian nappes and offshore post-Caledonian sedimentary basins remains a matter of debate.</p><p><strong>Methods: </strong>The present study provides a more definitive answer about the continuation of Trollfjorden-Komagelva Fault Zone west of the Varanger Peninsula by using seismic reflection, bathymetric, topographic, and magnetic data onshore Finnmark and offshore on the Finnmark Platform.</p><p><strong>Results: </strong>The present study demonstrates that the Sørøya-Ingøya shear zone represents a portion of the Trollfjorden-Komagelva Fault Zone that was folded into a NE-SW orientation and reactivated as a top-southeast thrust during the Caledonian Orogeny, while other portions of the Trollfjorden-Komagelva Fault Zone (e.g., on the Varanger Peninsula) were reactivated as strike-slip faults. The study also documents the presence of another major, NNE-dipping Timanian shear zone with a similar geometry to the Trollfjorden-Komagelva Fault Zone north of the Varanger Peninsula.</p><p><strong>Conclusions: </strong>The Trollfjorden-Komagelva Fault Zone may continue offshore as a NE-SW-striking folded structure. This has the following implications: (1) the Seiland Igneous Province likely formed in a backarc setting, (2) metasedimentary rocks of the Kalak Nappe Complex deposited along the Baltican margin of the Iapetus Ocean, possibly in a late-post-Grenvillian collapse basin, (3) the Iapetus Ocean was much narrower than the several thousands of kilometers width commonly proposed, and (4) early Neoproterozoic magmatism in northern Norway is possibly related to the initial breakup of Rodinia.</p>","PeriodicalId":74359,"journal":{"name":"Open research Europe","volume":"4 ","pages":"30"},"PeriodicalIF":0.0,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11751614/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143025845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}