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  • Springer Nature  (688)
  • 2020-2024  (688)
  • 2023  (688)
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  • 2020-2024  (688)
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  • 1
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    Permafrost-thaw lake development in Central Yakutia: sedimentary ancient DNA and element analyses from a Holocene sediment record (2023)
    Springer Nature
    In:  EPIC3Journal of Paleolimnology, Springer Nature, 70(2), pp. 95-112, ISSN: 0921-2728
    Details
    Publication Date: 2024-06-11
    Description: In Central Yakutia (Siberia) livelihoods of local communities depend on alaas (thermokarst depression) landscapes and the lakes within. Development and dynamics of these alaas lakes are closely connected to climate change, permafrost thawing, catchment conditions, and land use. To reconstruct lake development throughout the Holocene we analyze sedimentary ancient DNA (sedaDNA) and biogeochemistry from a sediment core from Lake Satagay, spanning the last c. 10,800 calibrated years before present (cal yrs BP). SedaDNA of diatoms and macrophytes and microfossil diatom analysis reveal lake formation earlier than 10,700 cal yrs BP. The sedaDNA approach detected 42 amplicon sequence variants (ASVs) of diatom taxa, one ASV of Eustigmatophyceae (Nannochloropsis), and 12 ASVs of macrophytes. We relate diatom and macrophyte community changes to climate-driven shifts in water level and mineral and organic input, which result in variable water conductivity, in-lake productivity, and sediment deposition. We detect a higher lake level and water conductivity in the Early Holocene (c. 10,700–7000 cal yrs BP) compared to other periods, supported by the dominance of Stephanodiscus sp. and Stuckenia pectinata. Further climate warming towards the Mid-Holocene (7000–4700 cal yrs BP) led to a shallowing of Lake Satagay, an increase of the submerged macrophyte Ceratophyllum, and a decline of planktonic diatoms. In the Late Holocene (c. 4700 cal yrs BP–present) stable shallow water conditions are confirmed by small fragilarioid and staurosiroid diatoms dominating the lake. Lake Satagay has not yet reached the final stage of alaas development, but satellite imagery shows an intensification of anthropogenic land use, which in combination with future warming will likely result in a rapid desiccation of the lake.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 2
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    Author Correction: Transiting consolidated ice strongly influenced polynya area during a shrink event in Terra Nova Bay in 2013 (2023)
    Springer Nature
    In:  EPIC3Communications Earth & Environment, Springer Nature, 4(1), pp. 107-107, ISSN: 2662-4435
    Details
    Publication Date: 2024-05-29
    Description: In this article the author name Matthew Mazloff was incorrectly written as Matthew Mazloeff. The original article has been corrected.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 3
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    Author Correction: A Database of Snow on Sea Ice in the Central Arctic Collected during the MOSAiC expedition (2023)
    Springer Nature
    In:  EPIC3Scientific Data, Springer Nature, 10(1), pp. 500-500, ISSN: 2052-4463
    Details
    Publication Date: 2024-05-29
    Description: Correction to: Scientific Data, published online 22 June 2023 The original version showed the wrong image for Figure 3, with the image for Figure 4 used for both. This has been corrected in the pdf and HTML versions of the article, with the correct version of Figure 3 replacing the duplicated figure. The dates in the figure captions were also incorrect and have been amended as follows: Figure 3 caption: “from 2019-10-25 - 2020-07-30” modified to “from 2019-10-25 - 2020-05-15” Figure 4 caption: “from 2020-02-25 - 2020-07-30” modified to “from 2020-06-13 - 2020-07-30”.
    Repository Name: EPIC Alfred Wegener Institut
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  • 4
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    A Database of Snow on Sea Ice in the Central Arctic Collected during the MOSAiC expedition (2023)
    Springer Nature
    In:  EPIC3Scientific Data, Springer Nature, 10(1), pp. 398-398, ISSN: 2052-4463
    Details
    Publication Date: 2024-05-29
    Description: Snow plays an essential role in the Arctic as the interface between the sea ice and the atmosphere. Optical properties, thermal conductivity and mass distribution are critical to understanding the complex Arctic sea ice system’s energy balance and mass distribution. By conducting measurements from October 2019 to September 2020 on the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, we have produced a dataset capturing the year-long evolution of the physical properties of the snow and surface scattering layer, a highly porous surface layer on Arctic sea ice that evolves due to preferential melt at the ice grain boundaries. The dataset includes measurements of snow during MOSAiC. Measurements included profiles of depth, density, temperature, snow water equivalent, penetration resistance, stable water isotope, salinity and microcomputer tomography samples. Most snowpit sites were visited and measured weekly to capture the temporal evolution of the physical properties of snow. The compiled dataset includes 576 snowpits and describes snow conditions during the MOSAiC expedition.
    Repository Name: EPIC Alfred Wegener Institut
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  • 5
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    Manufacturing Driving Circular Economy (2023)
    Springer Nature | Springer International Publishing
    Details
    Publication Date: 2024-05-13
    Description: This is an open access book. It gathers the proceedings of the 18th Global Conference on Sustainable Manufacturing, held on October 5-7, 2022, as a hybrid event, in/from Berlin, Germany. With a focus on manufacturing advances and practices driving the circular economy, the chapters selected for this book report on sustainable manufacturing technologies for the mobility, energy and construction sector, and for machines and equipments, covering applications of artificial intelligence and industry 4.0. Moreover, they discuss energy-efficient process, waste reuse, and CO2 neutral production, giving a special emphasis to developing sustainable manufacturing in emerging countries. This book offers extensive and timely information for both researchers and professionals in the field of manufacturing and business development.
    Keywords: AI in Sustainable Manufacturing ; Sustainable Reconfigurable Manufacturing Systems ; Sustainable Supply Chain ; CO2 Neutral Production ; Maintenance of Manufacturing Machines ; Energy-Efficient Process ; Remanufacturing ; Product Re-design ; Product-Service Systems ; Waste Reduction in Manufacturing ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBD Technical design ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNH Waste management
    Language: English
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  • 6
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    Oxygen-Carrier-Aided Combustion Technology for Solid-Fuel Conversion in Fluidized Bed (2023)
    Springer Nature | Springer Nature Singapore
    Details
    Publication Date: 2024-05-12
    Description: This open access book surveys the development of OCAC technology in the last decade for solid fuel conversion in fluidized beds. The scientific concerns, including combustion and emission characteristics, ash-related problems, OC aging, and so on, are summarized and analyzed. Beyond this, new concepts like OCAC with Oxy-PFBC, OCAC coupled with staged fuel conversion, OCAC in rotatory kilns and multi-functional OCAC are proposed, so as to promote the applications of OCAC to various fields in the future. Moreover, this book also outlines the perspectives for future research and development of OCAC. As an emerging technology, extensive studies and investigations are still necessary to fill in the gap from the fundamental understanding of the technology to its industrial demonstrations. Nevertheless, we believe that this book provides novel insights for the readership of energy and combustion and stimulate meaningful follow-on research on OCAC technology.
    Keywords: Oxygen-Carrier-Aided Combustion ; Fluidized Bed Combustion ; Solid Fuel ; Oxygen Buffer ; Clean and Efficient Combustion ; High-volatil e Fuel ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THV Alternative and renewable energy sources and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science::TGMB Engineering thermodynamics
    Language: English
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  • 7
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    Euphorias in Gender, Sex and Sexuality Variations (2023)
    Springer Nature | Palgrave Macmillan
    Details
    Publication Date: 2024-05-09
    Description: This Open Access book uses the concept of ‘euphoria’ to investigate when, why and how marginal gender, sex and sexuality groups have positive experiences of their diverse variations even within repressive and disordering contexts. Drawing on data from multiple online surveys including a study of 2,407 LGBTQ+ people and a study of 272 people with intersex variations, it names and offers a new ecological framework for understanding participants’ influences on and barriers to euphorias, asserting the subversive possibilities of being euphorically queer, as opposed to euphoric and queer. The author argues that it is the particularities of negative internal, socio-cultural and institutional contexts for a marginal group or groups that contributes towards the possibilities that shape their potential euphoric feelings and experiences. Ultimately, she calls for a more expansive focus in gender and sexuality studies to show the complex effects of dysphoria and repression on the possibilities of pleasure and joy. This book will be of interest to scholars across Gender, Sexuality and Queer Studies.
    Keywords: gender diverse ; LGBTQ ; body positivity ; heteronormative ; transgender ; gender identity ; critical empowerment ; intersex ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBS Social groups, communities and identities::JBSF Gender studies, gender groups ; thema EDItEUR::A The Arts::AT Performing arts::ATF Films, cinema::ATFN Film: styles and genres ; thema EDItEUR::J Society and Social Sciences::JH Sociology and anthropology::JHB Sociology
    Language: English
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  • 8
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    Transiting consolidated ice strongly influenced polynya area during a shrink event in Terra Nova Bay in 2013 (2023)
    Springer Nature
    In:  EPIC3Communications Earth & Environment, Springer Nature, 4(1), pp. 54-54, ISSN: 2662-4435
    Details
    Publication Date: 2024-05-08
    Description: Coastal polynyas in Antarctica are a window of air-sea energy exchange and an important source of Antarctic Bottom Water production. However, the relationship between the polynya area variation and the surrounding marine environment is yet to be fully understood. Here we quantify the influence of the volume of transiting consolidated ice on the Terra Nova Bay Polynya area with ice thickness data. Changes in transiting consolidated ice volume are shown to dominate the evolution and variation of the polynya during a typical polynya shrinking event that occurred between 19 June to 03 July, 2013, rather than katabatic winds or air temperature, which are commonly assumed to be the main drivers. Over the cold seasons from 2013 to 2020, the Terra Nova Bay Polynya area is highly correlated to the transiting consolidated ice volume. We demonstrate that thick transiting ice limits the polynya area by blocking the newly-formed sea ice from leaving.
    Repository Name: EPIC Alfred Wegener Institut
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  • 9
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    The Marginal Ice Zone as a dominant source region of atmospheric mercury during central Arctic summertime (2023)
    Springer Nature
    In:  EPIC3Nature Communications, Springer Nature, 14(1), pp. 4887-4887, ISSN: 2041-1723
    Details
    Publication Date: 2024-05-08
    Description: Atmospheric gaseous elemental mercury (GEM) concentrations in the Arctic exhibit a clear summertime maximum, while the origin of this peak is still a matter of debate in the community. Based on summertime observations during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition and a modeling approach, we further investigate the sources of atmospheric Hg in the central Arctic. Simulations with a generalized additive model (GAM) show that long-range transport of anthropogenic and terrestrial Hg from lower latitudes is a minor contribution (~2%), and more than 50% of the explained GEM variability is caused by oceanic evasion. A potential source contribution function (PSCF) analysis further shows that oceanic evasion is not significant throughout the ice-covered central Arctic Ocean but mainly occurs in the Marginal Ice Zone (MIZ) due to the specific environmental conditions in that region. Our results suggest that this regional process could be the leading contributor to the observed summertime GEM maximum. In the context of rapid Arctic warming and the observed increase in width of the MIZ, oceanic Hg evasion may become more significant and strengthen the role of the central Arctic Ocean as a summertime source of atmospheric Hg.
    Repository Name: EPIC Alfred Wegener Institut
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  • 10
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    Subsea permafrost organic carbon stocks are large and of dominantly low reactivity (2023)
    Springer Nature
    In:  EPIC3Scientific Reports, Springer Nature, 13(1), pp. 9425-, ISSN: 2045-2322
    Details
    Publication Date: 2024-05-07
    Description: Subsea permafrost carbon pools below the Arctic shelf seas are a major unknown in the global carbon cycle. We combine a numerical model of sedimentation and permafrost evolution with simplified carbon turnover to estimate accumulation and microbial decomposition of organic matter on the pan-Arctic shelf over the past four glacial cycles. We find that Arctic shelf permafrost is a globally important long-term carbon sink storing 2822 (1518–4982) Pg OC, double the amount stored in lowland permafrost. Although currently thawing, prior microbial decomposition and organic matter aging limit decomposition rates to less than 48 Tg OC/yr (25–85) constraining emissions due to thaw and suggesting that the large permafrost shelf carbon pool is largely insensitive to thaw. We identify an urgent need to reduce uncertainty in rates of microbial decomposition of organic matter in cold and saline subaquatic environments. Large emissions of methane more likely derive from older and deeper sources than from organic matter in thawing permafrost.
    Repository Name: EPIC Alfred Wegener Institut
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