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  • Peter Lang International Academic Publishing Group  (1,800)
  • Molecular Diversity Preservation International  (1,428)
  • American Geophysical Union
  • Blackwell Publishing Ltd
  • Institute of Physics
  • 2020-2024  (3,720)
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  • 1
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    Estimating Bioturbation From Replicated Small‐Sample Radiocarbon Ages (2021)
    American Geophysical Union
    In:  EPIC3Paleoceanography and Paleoclimatology, American Geophysical Union, 36(7), ISSN: 2572-4517
    Details
    Publication Date: 2024-06-22
    Description: Marine sedimentary records are a key archive when reconstructing past climate; however, mixing at the seabed (bioturbation) can strongly influence climate records, especially when sedimentation rates are low. By commingling the climate signal from different time periods, bioturbation both smooths climate records, by damping fast climate variations, and creates noise when measurements are made on samples containing small numbers of individual proxy carriers, such as foraminifera. Bioturbation also influences radiocarbon-based age-depth models, as sample ages may not represent the true ages of the sediment layers from which they were picked. While these effects were first described several decades ago, the advent of ultra-small-sample $^{14}$C dating now allows samples containing very small numbers of foraminifera to be measured, thus enabling us to directly measure the age-heterogeneity of sediment for the first time. Here, we use radiocarbon dates measured on replicated samples of 3-30 foraminifera to estimate age-heterogeneity for five marine sediment cores with sedimentation rates ranging from 2-30 cm kyr$^{-1}$. From their age-heterogeneities and sedimentation rates we infer mixing depths of 10-20 cm for our core sites. Our results show that when accounting for age-heterogeneity, the true error of radiocarbon dating can be several times larger than the reported measurement. We present estimates of this uncertainty as a function of sedimentation rate and the number of individuals per radiocarbon date. A better understanding of this uncertainty will help us to optimise radiocarbon measurements, construct age models with appropriate uncertainties and better interpret marine paleo records.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev , info:eu-repo/semantics/article
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  • 2
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    Fifty years after deep‐ploughing: Effects on yield, roots, nutrient stocks and soil structure (2023)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2024-05-30
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉Deep‐ploughing far beyond the common depth of 30 cm was used more than 50 years ago in Northern Germany with the aim to break root‐restricting layers and thereby improve access to subsoil water and nutrient resources. We hypothesized that effects of this earlier intervention on soil properties and yields prevailed after 50 years. Hence, we sampled two sandy soils and one silty soil (Cambisols and a Luvisol) of which half of the field had been deep‐ploughed 50 years ago (soils then re‐classified as Treposols). The adjacent other half was not deep‐ploughed and thus served as the control. At all the three sites, both deep‐ploughed and control parts were then conventionally managed over the last 50 years. We assessed yields during the dry year 2019 and additionally in 2020, and rooting intensity at the year of sampling (2019), as well as changes in soil structure, carbon and nutrient stocks in that year. We found that deep‐ploughing improved yields in the dry spell of 2019 at the sandy sites, which was supported by a more general pattern of higher NDVI indices in deep‐ploughed parts for the period from 2016 to 2021 across varying weather conditions. Subsoil stocks of soil organic carbon and total plant‐available phosphorus were enhanced by 21%–199% in the different sites. Root biomass in the subsoil was reduced due to deep‐ploughing at the silty site and was increased or unaffected at the sandy sites. Overall, the effects of deep‐ploughing were site‐specific, with reduced bulk density in the buried topsoil stripes in the subsoil of the sandy sites, but with elevated subsoil density in the silty site. Hence, even 50 years after deep‐ploughing, changes in soil properties are still detectable, although effect size differed among sites.〈/p〉
    Description: BonaRes http://dx.doi.org/10.13039/501100022576
    Keywords: ddc:631.4 ; aggregates ; carbon sequestration ; deep‐ploughing ; macronutrients ; subsoil ; Treposol
    Language: English
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  • 3
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    Carbon Stocks and Potential Greenhouse Gas Production of Permafrost-Affected Active Floodplains in the Lena River Delta (2024)
    American Geophysical Union
    In:  EPIC3Journal of Geophysical Research (JGR): Biogeosciences, American Geophysical Union, 129, ISSN: 2169-8953
    Details
    Publication Date: 2024-04-19
    Description: Arctic warming increases the degradation of permafrost soils but little is known about floodplain soils in the permafrost region. This study quantifies soil organic carbon (SOC) and soil nitrogen stocks, and the potential CH4 and CO2 production from seven cores in the active floodplains in the Lena River Delta, Russia. The soils were sandy but highly heterogeneous, containing deep, organic rich deposits with 〉60% SOC stored below 30 cm. The mean SOC stocks in the top 1 m were 12.9 ± 6.0 kg C m−2. Grain size analysis and radiocarbon ages indicated highly dynamic environments with sediment re-working. Potential CH4 and CO2 production from active floodplains was assessed using a 1-year incubation at 20°C under aerobic and anaerobic conditions. Cumulative aerobic CO2 production mineralized a mean 4.6 ± 2.8% of initial SOC. The mean cumulative aerobic:anaerobic C production ratio was 2.3 ± 0.9. Anaerobic CH4 production comprised 50 ± 9% of anaerobic C mineralization; rates were comparable or exceeded those for permafrost region organic soils. Potential C production from the incubations was correlated with total organic carbon and varied strongly over space (among cores) and depth (active layer vs. permafrost). This study provides valuable information on the carbon cycle dynamics from active floodplains in the Lena River Delta and highlights the key spatial variability, both among sites and with depth, and the need to include these dynamic permafrost environments in future estimates of the permafrost carbon-climate feedback.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 4
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    Čechořečnost seu grammatica linguae Bohemicae (2021)
    Peter Lang International Academic Publishing Group
    Details
    Publication Date: 2024-04-14
    Description: 〈P〉In the history of Czech linguistic theory and thought there is hardly a book more controversial than the grammar of Václav J. Rosa (1620-1689), Čechořečnost seu Grammatica Linguae Bohemicae. It appeared in 1672, two years after Comenius's death, at the beginning of the dark age (temno) which came to symbolize for the revivalist tradition, haunted as it was by the past, the decadence of Czech literature, culture and national spirit. Given this, Rosa's grammar (henceforth RG) was inevitably destined to acquire the stigma of the same degenerate qualities which corrupted the nation's very soul, ist language. Durchsuchbare elektronische Faksimileausgabe als PDF. Digitalisiert im Rahmen des DFG-Projektes Digi20 in Kooperation mit der BSB München. OCR-Bearbeitung durch den Verlag Otto Sagner.〈/P〉
    Keywords: 1672 ; Ausgabe ; Bohemicae ; Čechořečnost ; Czech linguistic theory ; Czech literature ; grammatica ; Hrsg ; Jiří ; linguae ; Linguistik ; Marvan ; Micro ; Nachdruck ; Pragae ; revivalist tradition ; Rosa ; Slavische Sprachwissenschaft ; thema EDItEUR::V Health, Relationships and Personal development
    Language: German
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  • 5
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    Information Disorder (2023)
    Peter Lang International Academic Publishing Group
    Details
    Publication Date: 2024-04-14
    Description: The Smart Specialisation Strategy (RIS3), namely the national or regional innovation strategies for smart, sustainable and inclusive growth in the European Union, co-funded by the European Commission, with the general objective of concentrating European resources on emerging technology areas that can be developed in the region by focusing on building local knowledge rather than transferring external technological resources. The Sicily Region, with the ERDF Operational Programme 2014–2020, Action 1.1.5 for “Support for the technological advancement of companies through the financing of pilot lines and early product validation and large-scale demonstration actions”, has selected the Fake News project in the effort to support the technological development of tools to control information exchange on the Web to counter the phenomenon of disinformation.
    Keywords: Benjamin ; Biondo ; Disorder ; Fake ; Francesco ; Gevisa ; Kloss ; Learning ; News ; Recognize ; Rocca ; Trapani ; Viviana ; thema EDItEUR::U Computing and Information Technology::UD Digital Lifestyle and online world: consumer and user guides ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBC Cultural and media studies::JBCT Media studies ; thema EDItEUR::J Society and Social Sciences::JH Sociology and anthropology::JHB Sociology::JHBC Social research and statistics ; thema EDItEUR::J Society and Social Sciences::JH Sociology and anthropology::JHB Sociology::JHBL Sociology: work and labour ; thema EDItEUR::J Society and Social Sciences::JM Psychology::JMH Social, group or collective psychology ; thema EDItEUR::L Law::LA Jurisprudence and general issues::LAY Law as it applies to other professions and disciplines ; thema EDItEUR::U Computing and Information Technology::UB Information technology: general topics
    Language: English
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  • 6
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    Learning Ontology Relations by Combining Corpus-Based Techniques and Reasoning on Data from Semantic Web Sources (2021)
    Peter Lang International Academic Publishing Group
    Details
    Publication Date: 2024-04-14
    Description: The manual construction of formal domain conceptualizations (ontologies) is labor-intensive. Ontology learning, by contrast, provides (semi-)automatic ontology generation from input data such as domain text. This thesis proposes a novel approach for learning labels of non-taxonomic ontology relations. It combines corpus-based techniques with reasoning on Semantic Web data. Corpus-based methods apply vector space similarity of verbs co-occurring with labeled and unlabeled relations to calculate relation label suggestions from a set of candidates. A meta ontology in combination with Semantic Web sources such as DBpedia and OpenCyc allows reasoning to improve the suggested labels. An extensive formal evaluation demonstrates the superior accuracy of the presented hybrid approach.
    Keywords: Based ; Combining ; Corpus ; Data ; from ; Learning ; machine learning ; natural language learning ; Ontology ; Reasoning ; relation labeling ; Relations ; Semantic ; Sources ; Techniques ; Wohlgenannt ; thema EDItEUR::U Computing and Information Technology::UB Information technology: general topics::UBJ Digital and information technologies: social and ethical aspects ; thema EDItEUR::U Computing and Information Technology::UF Business applications::UFL Enterprise software
    Language: English
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  • 7
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    Von Historikern, Politikern, Turnern und anderen. Schlaglichter auf die Geschichte des oestlichen Europa (2021)
    Peter Lang International Academic Publishing Group
    Details
    Publication Date: 2024-04-14
    Description: Detlef Brandes gehört zu den profiliertesten deutschen Osteuropa-Historikern seiner Generation. Zu seinem 75. Geburtstag haben Kollegen und Schüler für eine Festschrift Beiträge mit Bezug zu den von ihm behandelten Themen und Regionen verfasst. Ihre Texte beschäftigen sich mit den Beziehungen Deutschlands und der Deutschen zum östlichen Europa sowie mit der tschechischen, russischen, ukrainischen und polnischen Geschichte. Sie sind in Sektionen zu Themenfeldern wie "Historiker und das östliche Europa", "Kriegsfolgen und ihre Deutung", "Alltag, Lebenswelten, Verhaltensweisen" u.a. zusammengefasst. Mit Beiträgen von Christoph Cornelißen, Victor Dönninghaus, Severin Gawlitta, Peter Heumos, Ota Konrád, Stefan Lehr, Nina Lohmann, Dmytro Myeshkov, Volker Mohn, Dietmar Neutatz, Christoph Nonn, Thomas Oellermann, Jiří Pešek, Andrej Savin, Gerd Stricker, Andreas Wiedemann, Falk Wiesemann und Volker Zimmermann.
    Keywords: anderen ; Brandes ; Detlef ; Europa ; Festschrift ; Geburtstag ; Geschichte ; Geschichte ; Historikern ; Neutatz ; östlichen ; Politik ; Politikern ; Schlaglichter ; Tschechische Republik ; Turnern ; Zeitgeschichte ; thema EDItEUR::V Health, Relationships and Personal development
    Language: German
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  • 8
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    Brueckenschlaege Nord: Landeskunde an der Schnittstelle von Schule und Universitaet (2022)
    Peter Lang International Academic Publishing Group
    Details
    Publication Date: 2024-04-14
    Description: 2012 wurde das Netzwerk Landeskunde Nord gegründet, dessen Ziel es ist, Forschung und Lehre zur Landeskunde des Deutschen als Fremdsprache, insbesondere in den nordischen und den baltischen Ländern voranzutreiben. Die Publikation knüpft an die bereits erschienenen Bände Landeskunde Nord, Perspektive Nord und Spektrum Nord an und bietet weitere Beiträge zur wissenschaftlichen Theoriebildung in Verbindung mit unterrichtspraktischen Reflexionen und Projektvorstellungen. Dabei werden u.a. Brücken zwischen den verschiedenen Ebenen der Bildungssysteme geschlagen. Die Beiträge nehmen international geführte Fachdiskussionen u.a. zu Erinnerungsorten, Linguistic Landscapes und zum kreativen Schreiben auf und haben auch deshalb über die nordischen und baltischen Länder hinaus Bedeutung.
    Keywords: 2018 ; Beiträge ; Brückenschläge ; Deutsch als Fremdsprache ; Didaktik der Landeskunde ; Germanistik ; Grub ; Hochschullehre ; Interkulturelle Kompetenz ; Januar ; Konferenz ; Landeskunde ; Netzwerks ; Nord ; Schnittstelle ; Schule ; Tallinn ; Universität ; Unterricht ; thema EDItEUR::Y Children’s, Teenage and Educational::YP Educational material ; thema EDItEUR::C Language and Linguistics::CF Linguistics ; thema EDItEUR::C Language and Linguistics::CJ Language teaching and learning ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general
    Language: German
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  • 9
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    Learning English Out of School: An Inclusive Approach to Research and Action (2021)
    Peter Lang International Academic Publishing Group
    Details
    Publication Date: 2024-04-14
    Description: This volume reports on the main results of the research project Inclusive epistemologies and practices of out-of-school English learning. The study reacts to low attainment levels in English as a foreign language among socioeconomically disadvantaged youth. The contributors to this volume research teenagers’ existing practices of using and learning English out of school time and implement new, inclusive, nonformal English language educational initiatives. They evaluate the impact of the nonformal English language educational initiatives implemented and support their sustainability and transferability. The project embeds collaborative and arts-based methods into its methodology, fostering inclusive and creative educational practices and ways of knowing.
    Keywords: Action ; Activism ; Approach ; Claudia ; Collaboration ; Creativity ; Emilee ; English ; Foreign language ; Inclusive ; Informal education ; Learning ; Moore ; Nonformal education ; School ; Teaching ; Vallejo ; Winkelkötter ; youth ; thema EDItEUR::Y Children’s, Teenage and Educational::YP Educational material ; thema EDItEUR::C Language and Linguistics::CF Linguistics ; thema EDItEUR::C Language and Linguistics::CJ Language teaching and learning::CJA Language teaching theory and methods ; thema EDItEUR::J Society and Social Sciences::JN Education::JNT Teaching skills and techniques ; thema EDItEUR::J Society and Social Sciences::JN Education::JNV Educational equipment and technology, computer-aided learning (CAL) ; thema EDItEUR::J Society and Social Sciences::JN Education::JNW Extra-curricular activities
    Language: English
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  • 10
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    A Prometheus on a Human Scale – Ignacy Łukasiewicz (2021)
    Peter Lang International Academic Publishing Group
    Details
    Publication Date: 2024-04-11
    Description: This book is dedicated to the life and work of Ignacy Łukasiewicz, Polish pharmacist whose world-renowned achievements include construction of the world’s first oil refinery and invention of the modern kerosene lamp. The authors also portray the history of the Galician oil industry and set it in the context of political, social and technological changes taking place in the 19th-century Central and Eastern Europe. "The work adds substantially to existing scholarship in English. As the author of the only English-language academic monograph devoted to a general history of the Galician oil industry, I can attest that this manuscript adds significant and important information, details, depth of investigation that is not provided in my book or any other book. It therefore makes a novel contribution that will be very valuable to anyone looking for a truly detailed account of Ignacy Łukasiewicz’s contribution within the context of the Galician oil industry in general." Alison Frank Johnson Professor of History and of Germanic Languages and Literatures Harvard University, Center for European Studies "The authors sketch the profiles of two outstanding Poles, pioneers of the oil industry – Ignacy Łukasiewicz, MSc. in Pharmacy, and mining engineer and geologist Witold Zglenicki, called the Polish Nobel (...) This scientific work is an interesting and captivating read. It can be used not only by scientists and students, but also by everyone who is interested in industrial cultural heritage (...)." Krzysztof Broński Professor and Head of Department of Economic and Social History Economic University in Kraków
    Keywords: Crude oil ; Franaszek ; Human ; Ignacy ; Karosene lamp ; Łukasiewicz ; Oil rafinery ; Oil well ; Pioneers of the oil industry ; Prometheus ; Scale ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology ; thema EDItEUR::N History and Archaeology::NH History ; thema EDItEUR::K Economics, Finance, Business and Management::KN Industry and industrial studies::KNB Energy industries and utilities ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBY Inventions and inventors
    Language: English
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