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  • Springer Nature  (1,070,391)
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  • 1
    Publication Date: 2024-06-11
    Description: The Southern Ocean is a major region of ocean carbon uptake, but its future changes remain uncertain under climate change. Here we show the projected shift in the Southern Ocean CO2 sink using a suite of Earth System Models, revealing changes in the mechanism, position and seasonality of the carbon uptake. The region of dominant CO2 uptake shifts from the Subtropical to the Antarctic region under the high-emission scenario. The warming-driven sea-ice melt, increased ocean stratification, mixed layer shoaling, and a weaker vertical carbon gradient is projected to together reduce the winter de-gassing in the future, which will trigger the switch from mixing-driven outgassing to solubility-driven uptake in the Antarctic region during the winter season. The future Southern Ocean carbon sink will be poleward-shifted, operating in a hybrid mode between biologically-driven summertime and solubility-driven wintertime uptake with further amplification of biologically-driven uptake due to the increasing Revelle Factor.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 2
    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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  • 3
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    Springer Nature
    In:  EPIC3Nature Communications, Springer Nature, 15(1), pp. 3232-3232, ISSN: 2041-1723
    Publication Date: 2024-05-31
    Description: Sea-level rise submerges terrestrial permafrost in the Arctic, turning it into subsea permafrost. Subsea permafrost underlies ~ 1.8 million km2 of Arctic continental shelf, with thicknesses in places exceeding 700 m. Sea-level variations over glacial-interglacial cycles control subsea permafrost distribution and thickness, yet no permafrost model has accounted for glacial isostatic adjustment (GIA), which deviates local sea level from the global mean due to changes in ice and ocean loading. Here we incorporate GIA into a pan-Arctic model of subsea permafrost over the last 400,000 years. Including GIA significantly reduces present-day subsea permafrost thickness, chiefly because of hydro-isostatic effects as well as deformation related to Northern Hemisphere ice sheets. Additionally, we extend the simulation 1000 years into the future for emissions scenarios outlined in the Intergovernmental Panel on Climate Change’s sixth assessment report. We find that subsea permafrost is preserved under a low emissions scenario but mostly disappears under a high emissions scenario.
    Repository Name: EPIC Alfred Wegener Institut
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  • 4
    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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  • 5
    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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  • 6
    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
    Type: Article , peerRev
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  • 7
    Publication Date: 2024-05-15
    Description: Learn how to facilitate scientific inquiry projects by getting out of the classroom and connecting to the natural environment—in your schoolyard, or in your community! Providing a contemporary perspective on how to do scientific inquiry in ways that can make teachers’ lives easier and students’ experiences better, this book draws on authentic inquiry, engaging with communities, and teaching through project-based learning to help students design and carry out scientific inquiry projects that are grounded in their local places. This accessible guide will help you to develop skills around facilitation, team building, and learning outdoors in schoolyards and parks, acting as a go-to toolkit for teachers to help build confidence and skills in these areas. Written according to the Next Generation Science Standards, this book supports teachers in fostering community engagement and a justice-first classroom. The approachable resources included in this book will help teachers with all levels of experience succeed in empowering students grades 3–12 in their science learning. Additional support materials including template documents for student use and for teacher planning, as well as examples of real student work, are available online. The Open Access version of this book, available at www.taylorfrancis.com, has been made available under a Creative Commons Attribution (CC-BY) 4.0 license
    Keywords: climate change ; instructional strategies ; NGSS ; outdoor education ; Science education ; teaching strategies
    Language: English
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  • 8
    Publication Date: 2024-05-13
    Description: Dieses Open-Access-Buch erläutert ein Handlungsmodell zur Gestaltung sozialer Versorgung. Das Modell beinhaltet 16 Gestaltungsaufgaben, die sich an den wesentlichen Planungs- und Steuerungsaufgaben sozialer Versorgung und den vier Phasen eines Managementkreislaufes (Analyse, Strategieentwicklung, Umsetzung, Weiterentwicklung) orientieren. Dem Handlungsmodell liegt ein prozessorientiertes, reflexives und an der Sozialen Arbeit ausgerichtetes Handlungsverständnis zugrunde, das über „lineare“ Planungsansätze hinausreicht. Das Lehrbuch möchte Impulse für eine systematische und zugleich innovative Gestaltung sozialer Versorgung geben.
    Keywords: Social sciences ; Social work ; thema EDItEUR::J Society and Social Sciences::JK Social services and welfare, criminology::JKS Social welfare and social services::JKSN Social work
    Language: German
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  • 9
    Publication Date: 2024-05-13
    Description: With a focus on migrant narratives, or the storytelling about migration, this volume considers the ways in which migration is and has been shaped by individual and collective experiences of agency, belonging and community. Driven by an agenda of deep listening, each chapter presents a narrative directly derived from qualitative research, an outline of the methodological framing as well as narrative analysis. Through close attention to the narrative, its performative aspects and its ruptures and silences, authors identify patterns and material in the fabric of such telling and retelling of stories that open up new perspectives on the migrant experience. This book develops a methodology of ""dwelling with stories"" that allows for sustained and slow interrogation of the migrant experience and the accompanying decisions that shape narratives around mobility across borders. Its structure is innovative by emphasising the migrant voice and reflecting on the scholars’ positionality, while also offering new theoretical contributions that will advance the field of narrative analysis. The book will appeal to academics, students and practitioners in a wide range of subject areas within the humanities and social sciences, including anthropology, sociology, human geography, migration/refugee/diaspora studies and oral history.
    Keywords: migration,narratives,gender,agency,dwelling with stories,belonging,community,rupture,trauma,loss,migrant experience,performance,performativity,deep listening,methodology,diaspora,sociology,anthropology ; 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::JB Society and culture: general::JBS Social groups, communities and identities::JBSL Ethnic studies::JBSL1 Ethnic groups and multicultural studies ; thema EDItEUR::J Society and Social Sciences::JH Sociology and anthropology::JHB Sociology
    Language: English
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  • 10
    Publication Date: 2024-05-13
    Description: Living with Energy Poverty: Perspectives from the Global North and South expands our collective understanding of energy poverty and deepens our recognition of the phenomenon by engaging with the lived experiences of energy-poor households across different contexts. Understanding the lived experience of energy poverty is an essential component in the design of any effort to alleviate what is fundamentally a deep-rooted, multi-faceted, wickedly complex problem. This requires a nuanced understanding of the causal factors and the research methods that can respond to the flexible spatial and temporal nature of the condition, as well as its wellbeing and justice implications. Drawing together the expertise and connectedness of authors from the Global South and North, this book presents novel approaches to understanding the often hidden forms of domestic energy deprivation. Case studies from 20 countries provide critical perspectives on this phenomenon while analysing the policy practices, government strategy, and sustainability implications of divergent manifestations. The book takes a multidimensional perspective, challenging the bias towards energy production and service provision, which often do not align with the aspirations and realities of energy households across global contexts, thus facilitating a useful dialogue on the nature of energy poverty. The book is a timely source for policymakers, practitioners, and scholars seeking fresh, diverse insights into the everyday reality of energy poverty and wanting to better understand the challenges a people-centred, just energy transition can present.
    Keywords: hidden energy poverty,energy vulnerability,fuel poverty,energy access,energy justice ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNC Applied ecology ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPQ Central / national / federal government::JPQB Central / national / federal government policies ; thema EDItEUR::P Mathematics and Science::PH Physics::PHD Classical mechanics::PHDY Energy
    Language: English
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