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  • GEOMAR Catalogue / E-Books
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  • Articles  (49)
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  • Dessau-Roßlau : Umweltbundesamt  (29)
  • Frontiers  (20)
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  • GEOMAR Catalogue / E-Books
  • Journals
  • Articles  (49)
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  • OceanRep  (170)
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  • 11
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    Challenges of coal transitions : a comparative study on the status quo and future prospects of coal mining and coal use in Indonesia, Colombia and Viet Nam (2019)
    Dessau-Roßlau : Umweltbundesamt
    Details
    Publication Date: 2022-02-18
    Description: Today more than 45 % of all energy-related CO2 emissions come from burning coal. Thus, reducing CO2 emissions from coal use is a necessity for reaching the targets of the Paris Agreement. This will not only pose challenges for coal consumers (restructuring of the energy system), but also for countries whose economy is strongly depending on the production of coal. This paper examines the role of coal in three countries, which are or were in recent years among the top coal exporters: Indonesia, Colombia and Vietnam. Understanding challenges and possible transition pathways in these countries will help to develop global strategies to reduce CO2 emissions from coal in the short to mid-term.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
    Format: application/pdf
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  • 12
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    Emergent interactive effects of climate change and contaminants in coastal and ocean ecosystems (2022)
    Frontiers
    In:  EPIC3Frontiers in Marine Science, Frontiers, 9, pp. 936109-936109, ISSN: 2296-7745
    Details
    Publication Date: 2024-03-03
    Description: The effects of climate change (CC) on contaminants and their potential consequences to marine ecosystem services and human wellbeing are of paramount importance, as they pose overlapping risks. Here, we discuss how the interaction between CC and contaminants leads to poorly constrained impacts that affects the sensitivity of organisms to contamination leading to impaired ecosystem function, services and risk assessment evaluations. Climate drivers, such as ocean warming, ocean deoxygenation, changes in circulation, ocean acidification, and extreme events interact with trace metals, organic pollutants, excess nutrients, and radionuclides in a complex manner. Overall, the holistic consideration of the pollutants-climate change nexus has significant knowledge gaps, but will be important in understanding the fate, transport, speciation, bioavailability, toxicity, and inventories of contaminants. Greater focus on these uncertainties would facilitate improved predictions of future changes in the global biogeochemical cycling of contaminants and both human health and marine ecosystems.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 13
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    Improving satellite-based monitoring of the polar regions: Identification of research and capacity gaps (2023)
    Frontiers
    In:  EPIC3Frontiers in Remote Sensing, Frontiers, 4, pp. 952091-952091, ISSN: 2673-6187
    Details
    Publication Date: 2024-04-12
    Description: We present a comprehensive review of the current status of remotely sensed and in situ sea ice, ocean, and land parameters acquired over the Arctic and Antarctic and identify current data gaps through comparison with the portfolio of products provided by Copernicus services. While we include several land parameters, the focus of our review is on the marine sector. The analysis is facilitated by the outputs of the KEPLER H2020 project. This project developed a road map for Copernicus to deliver an improved European capacity for monitoring and forecasting of the Polar Regions, including recommendations and lessons learnt, and the role citizen science can play in supporting Copernicus’ capabilities and giving users ownership in the system. In addition to summarising this information we also provide an assessment of future satellite missions (in particular the Copernicus Sentinel Expansion Missions), in terms of the potential enhancements they can provide for environmental monitoring and integration/assimilation into modelling/forecast products. We identify possible synergies between parameters obtained from different satellite missions to increase the information content and the robustness of specific data products considering the end-users requirements, in particular maritime safety. We analyse the potential of new variables and new techniques relevant for assimilation into simulations and forecasts of environmental conditions and changes in the Polar Regions at various spatial and temporal scales. This work concludes with several specific recommendations to the EU for improving the satellite-based monitoring of the Polar Regions.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 14
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    Academic Engagement with Wadden Sea Stakeholders: A Review of Past Foci and Possible Futures (2022)
    Frontiers
    In:  EPIC3Frontiers in Marine Science, Frontiers, 9, pp. 816609-816609, ISSN: 2296-7745
    Details
    Publication Date: 2023-10-04
    Description: The Wadden Sea became a UNESCO World Heritage Site in 2009 owing to its geographical and ecological importance. Given its status and its global recognition, academic understanding of, and engagement with, a diverse set of stakeholders is crucial to the sustainability of the Wadden Sea and the wildlife that inhabit its transnational boundaries. As such, this paper reviews with whom, how, and to what extent the academy has engaged with Wadden Sea stakeholders. This study finds that stakeholder groups (whom, with vested interests in the sea, might be expected to be present) are missing from academic publications focused on stakeholders in the Wadden Sea. Moreover, existing studies tend to focus on singular, categorized stakeholder ‘groups’, and lack transboundary integration, as well as reference to UN Sustainability Goal 14 – a key target for environmental protection. In sum, the review provides (1) an analysis of academic work that engages Wadden Sea stakeholders to assist future researchers undertaking work in this global ecologically significant area, and (2) a discussion of where future academic work might be developed.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 15
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    Late Quaternary Climate Reconstruction and Lead-Lag Relationships of Biotic and Sediment-Geochemical Indicators at Lake Bolshoe Toko, Siberia (2021)
    Frontiers
    In:  EPIC3Frontiers in Earth Science, Frontiers, 9, ISSN: 2296-6463
    Details
    Publication Date: 2024-06-22
    Description: Millennial-scale climate change history in eastern Siberia and relationships between diatom diversity, paleoclimate, and sediment-geochemical lake system trajectories are still poorly understood. This study investigates multi-proxy time series reaching back to the Late Pleistocene derived from radiocarbon dated Lake Bolshoe Toko sediment cores, southeastern Yakutia, Russia. We analyzed diatoms, elements (XRF), minerals (XRD), grain-size, organic carbon, and included chironomid analyses and published pollen-data for quantitative paleoclimate reconstruction. Changes in diatom species abundances reveal repeated episodes of thermal stratification indicated by shifts from euplanktonic Aulacoseira to Cyclotella species. Chironomid and pollen-inferred temperature reconstruction reveal that the main shift between these diatom species is related to the onset of Holocene Thermal Maximum (HTM) at 7.1 cal ka BP. Comparison to other paleoclimate records along a north-south transect through Yakutia shows that the HTM was delayed as far south as the Stanovoy mountains. Relationships between sediment-geochemistry, paleoclimate variability and diatom species richness (alpha diversity) was tested in a moving temporal offset approach to detect lead-lag relationships. Sediment-geochemical data, mainly uniform during the Holocene, revealed strongest positive or negative correlations ahead of species richness changes. Mean July air temperature (TJuly) reconstructions correlate with both Hill numbers and relative assemblage changes indicated by sample scores of multidimensional scaling analysis (MDS) over the entire time series. We found that sediment organic carbon revealed distinct positive correlations, i.e., centennial-scale delay to increases in diatom effective richness (Hill numbers N0 and N2). We conclude that a lag of deposited organic carbon concentrations behind changes in diatom alpha diversity reveals that species richness can augment the production and thus sequestration of organic matter in comparable lake systems.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 16
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    Individual species and site dynamics are the main drivers of spatial scaling of stability in aquatic communities (2023)
    Frontiers
    In:  EPIC3Frontiers in Ecology and Evolution, Frontiers, 11, pp. 864534-864534, ISSN: 2296-701X
    Details
    Publication Date: 2023-09-22
    Description: Introduction: Any measure of ecological stability scales with the spatial and temporal extent of the data on which it is based. The magnitude of stabilization effects at increasing spatial scale is determined by the degree of synchrony between local and regional species populations. Methods: We applied two recently developed approaches to quantify these stabilizing effects to time series records from three aquatic monitoring data sets differing in environmental context and organism type. Results and Discussion: We found that the amount and general patterns of stabilization with increasing spatial scale only varied slightly across the investigated species groups and systems. In all three data sets, the relative contribution of stabilizing effects via asynchronous dynamics across space was higher than compensatory dynamics due to differences in biomass fluctuations across species and populations. When relating the stabilizing effects of individual species and sites to species and site-specific characteristics as well as community composition and aspects of spatial biomass distribution patterns, however, we found that the effects of single species and sites showed large differences and were highly context dependent, i.e., dominant species can but did not necessarily have highly stabilizing or destabilizing effects on overall community biomass. The sign and magnitude of individual contributions depended on community structure and the spatial distribution of biomass and species in space. Our study therefore provides new insights into the mechanistic understanding of ecological stability patterns across scales in natural species communities.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 17
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    Microbial communities under distinct thermal and geochemical regimes in axial and off-axis sediments of Guaymas Basin (2021)
    Frontiers
    In:  EPIC3Frontiers in microbiology, Frontiers, 12, pp. 110
    Details
    Publication Date: 2021-10-20
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 18
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    Evaluation and development of recommendations on the CDM EB's Sustainable Development tool including the sustainability requirements of other flexible mechanisms (2016)
    Dessau-Roßlau : Umweltbundesamt
    Details
    Publication Date: 2022-02-18
    Description: The research project seeks to identify the CDM SD tool's possible shortcomings, and to make structured recommendations on how to improve the EB's SD tool. Findings from this project are meant to have a lighthouse effect on the development of provisions on Sustainable Development within other carbon mechanisms of the UNFCCC and beyond. This report represents the consolidated findings of three work packages within this research project. The first chapter provides some background on the subject at hand, and leads into the report. The following chapter covers the assessment and comparison of the SD provisions of selected flexible mechanisms and multilateral standards.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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  • 19
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    Structural change in coal regions as a process of economic and social-ecological transition : lessons learnt from structural change processes in Germany (2022)
    Dessau-Roßlau : Umweltbundesamt
    Details
    Publication Date: 2022-04-08
    Description: Effective policies to mitigate climate change need to be accompanied by a socially just transition. Based on experiences of past and ongoing transition policies in coal regions in Europe and with indications to the specificity of framework conditions and challenges and to the potential effectiveness and transferability of approaches, this paper presents lessons learnt which can be inspirational for similar transitions in other coal regions and for transitions in other sectors.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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  • 20
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    Suitability and success factors of offsets post-2020 (2022)
    Dessau-Roßlau : Umweltbundesamt
    Details
    Publication Date: 2022-08-15
    Description: Offsetting enables countries and companies to meet part of their climate change mitigation obligations by using mitigation outcomes generated elsewhere - in lieu of own emission reductions. This report explores the future role of offset approaches and how they could be successfully integrated into a post-2020 climate regime by focusing both the supply and demand side. For this purpose, the report develops a conceptual approach that derives a normative vision of what should be considered a successful offset use in a top-down manner to then link this vision to specific factors on the ground in sectors and jurisdictions where offsets will be generated and used. It explores how these factors influence the successful operationalisation of the offset approach and how they can inform its design. In addition, the report also explores six conceptual design aspects to providing recommendations on how to take these factors into account during the design of the offset approach. Based on these findings, the authors derive overarching policy recommendations on the integration of offsets into carbon pricing schemes.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
    Format: application/pdf
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