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  • Articles  (46)
  • ddc:600  (36)
  • ddc:380  (4)
  • 04.08. Volcanology  (2)
  • 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous  (1)
  • ASFA_2015::A::Abiotic factors
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  • Articles  (46)
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  • 11
    Publication Date: 2021-05-18
    Description: Roadmaps for India's energy future foresee that coal power will continue to play a considerable role until the middle of the 21st century. Among other options, carbon capture and storage (CCS) is being considered as a potential technology for decarbonising the power sector. Consequently, it is important to quantify the relative benefits and trade-offs of coal-CCS in comparison to its competing renewable power sources from multiple sustainability perspectives. In this paper, we assess coal-CCS pathways in India up to 2050 and compare coal-CCS with conventional coal, solar PV and wind power sources through an integrated assessment approach coupled with a nexus perspective (energy-cost-climate-water nexus). Our levelized costs assessment reveals that coal-CCS is expensive and significant cost reductions would be needed for CCS to compete in the Indian power market. In addition, although carbon pricing could make coal-CCS competitive in relation to conventional coal power plants, it cannot influence the lack of competitiveness of coal-CCS with respect to renewables. From a climate perspective, CCS can significantly reduce the life cycle GHG emissions of conventional coal power plants, but renewables are better positioned than coal-CCS if the goal is ambitious climate change mitigation. Our water footprint assessment reveals that coal-CCS consumes an enormous volume of water resources in comparison to conventional coal and, in particular, to renewables. To conclude, our findings highlight that coal-CCS not only suffers from typical new technology development related challenges - such as a lack of technical potential assessments and necessary support infrastructure, and high costs - but also from severe resource constraints (especially water) in an era of global warming and the competition from outperforming renewable power sources. Our study, therefore, adds a considerable level of techno-economic and environmental nexus specificity to the current debate about coal-based large-scale CCS and the low carbon energy transition in emerging and developing economies in the Global South.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 12
    Publication Date: 2022-02-18
    Description: Objective: The aim of the present article is to conduct an integrated assessment in order to explore whether CCS could be a viable technological option for significantly reducing future CO2 emissions in China. Methods: In this paper, an integrated approach covering five assessment dimensions is chosen. Each dimension is investigated using specific methods (graphical abstract). Results: The most crucial precondition that must be met is a reliable storage capacity assessment based on site-specific geological data. Our projection of different trends of coal-based power plant capacities up to 2050 ranges between 34 and 221 Gt of CO2 that may be captured from coal-fired power plants to be built by 2050. If very optimistic assumptions about the country’s CO2 storage potential are applied, 192 Gt of CO2 could theoretically be stored as a result of matching these sources with suitable sinks. If a cautious approach is taken, this figure falls to 29 Gt of CO2. In practice, this potential will decrease further with the impact of technical, legal, economic and social acceptance factors. Further constraints may be the delayed commercial availability of CCS in China; a significant barrier to achieving the economic viability of CCS due to a currently non-existing nation-wide CO2 pricing scheme that generates a sufficiently strong price signal; an expected life-cycle reduction rate of the power plant's greenhouse gas emissions of 59-60%; and an increase in most other negative environmental and social impacts. Conclusion and practice implications: Most experts expect a striking dominance of coal-fired power generation in the country's electricity sector, even if the recent trend towards a flattened deployment of coal capacity and reduced annual growth rates of coal-fired generation proves to be true in the future. In order to reduce fossil fuel-related CO2 emissions to a level that would be consistent with the long-term climate protection target of the international community to which China is increasingly committing itself, this option may require the introduction of CCS. However, a precondition for opting for CCS would be finding robust solutions to the constraints highlighted in this article. Furthermore, a comparison with other low-carbon technology options may be useful in drawing completely valid conclusions on the economic, ecological and social viability of CCS in a low-carbon policy environment. The assessment dimensions should be integrated into macro-economic optimisation models by combining qualitative with quantitative modelling, and the flexible operation of CCS power plants should be analysed in view of a possible role of CCS for balancing fluctuating renewable energies.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 13
    Publication Date: 2021-05-18
    Description: Sustainable consumption policies affect households differently, in particular when they are confronted with limitations on income, time or freedom of movement (e.g. driving to work). And although it is possible to assess either the average or individual material footprint (per capita or via surveys), we lack methods to describe different types of households, their lifestyles and footprints in a representative manner. We explore possibilities to do so in this article. Our interest lies in finding an applicable method that allows us to describe the footprint of households regarding their socio-demographic characteristics but also find the causes consumption behaviour. This type of monitoring would enable us to tailor policies for sustainable consumption that respect people's needs and restrictions.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: bookpart , doc-type:bookPart
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  • 14
    Publication Date: 2022-02-18
    Description: The industry sector accounted for just over 30% of global GHG emissions in 2010 and scenarios envisage a continuing rise in demand for energy-intensive materials. This article sums up the most recent international analysis (IPCC, IEA, UNIDO, Global Energy Assessment) to give a broad view of the current prospects for reducing GHG emissions in industry. It does so from a global perspective, complementing where necessary where regional and sector-specific case studies. The article addresses the portfolio of options available, their technical and economic potentials, the experience in the use of policy instruments in industry, the synergies and tradeoffs that mitigation in the industry sector can have with other policy objectives, and the specific concerns of developing countries. Long-term decarbonisation pathways for the sector are also presented.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: Korean
    Type: contributiontoperiodical , doc-type:contributionToPeriodical
    Format: application/pdf
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  • 15
    Publication Date: 2021-05-06
    Description: Biomass-fueled combined heat and power systems (CHPs) can potentially offer environmental benefits compared to conventional separate production technologies. This study presents the first environmental life cycle assessment (LCA) of a novel high-efficiency bio-based power (HBP) technology, which combines biomass gasification with a 199 kW solid oxide fuel cell (SOFC) to produce heat and electricity. The aim is to identify the main sources of environmental impacts and to assess the potential environmental performance compared to benchmark technologies. The use of various biomass fuels and alternative allocation methods were scrutinized. The LCA results reveal that most of the environmental impacts of the energy supplied with the HBP technology are caused by the production of the biomass fuel. This contribution is higher for pelletized than for chipped biomass. Overall, HBP technology shows better environmental performance than heat from natural gas and electricity from the German/European grid. When comparing the HBP technology with the biomass-fueled ORC technology, the former offers significant benefits in terms of particulate matter (about 22 times lower), photochemical ozone formation (11 times lower), acidification (8 times lower) and terrestrial eutrophication (about 26 times lower). The environmental performance was not affected by the allocation parameter (exergy or economic) used. However, the tested substitution approaches showed to be inadequate to model multiple environmental impacts of CHP plants under the investigated context and goal.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 16
    Publication Date: 2022-02-18
    Description: The CO2 utilisation is discussed as one of the future low-carbon technologies in order to accomplish a full decarbonisation in the energy intensive industry. CO2 is separated from the flue gas stream of power plants or industrial plants and is prepared for further processing as raw material. CO2 containing gas streams from industrial processes exhibit a higher concentration of CO2 than flue gases from power plants; consequentially, industrial CO2 sources are used as raw material for the chemical industry and for the synthesis of fuel on the output side. Additionally, fossil resources can be replaced by substitutes of reused CO2 on the input side. If set up in a right way, this step into a CO2-based circular flow economy could make a contribution to the decarbonisation of the industrial sector and according to the adjusted potential, even rudimentarily to the energy sector. In this study, the authors analyse potential CO2 sources, the potential demand and the range of applications of CO2. In the last chapter of the final report, they give recommendations for research, development, politics and economics for an appropriate future designing of CO2 utilisation options based upon their previous analysis.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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  • 17
    Publication Date: 2021-05-18
    Description: Recent research on the natural resource use of private consumption suggests a sustainable Material Footprint of 8 tons per capita by 2050 in industrialised countries. We analyse the Material Footprint in Germany from 2015 to 2020 in order to test whether the Material Footprint decreases accordingly. We studied the Material Footprint of 113,559 users of an online footprint calculator and predicted the Material Footprint by seasonally decomposed autoregressive (STL-ARIMA) and exponential smoothing (STL-ETS) algorithms. We find a relatively stable Material Footprint for private consumption. The overall Material Footprint decreased by 0.4% per year between 2015 and 2020 on average. The predictions do not suggest that the Material Footprint of private consumption follows the reduction path of 3.3% per year that will lead to the sustainable consumption of natural resource
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 18
    Publication Date: 2021-12-15
    Description: Hydrological and hydrochemical conditions in the hypersaline water bodies of Eupatorian, Tarkhankut, Perekopsk, and Kerch groups of lakes were investigated. Fisheries value of these lakes lies in providing the habitat for such fishing targets as brine shrimps (Artemia) and chironomids. As the main source of primary empirical data, findings of the expeditions conducted in the spring, summer and autumn seasons of 2017–2019 have been used. As a result, it has been found out that, in general, abiotic environmental factors in the majority of the lakes in the spring – autumn season were adequate for development of the aquatic living organisms inhabiting them. It was supported by positive hyrdobiological developmental indices of these species and indicated their high adaptability to the existing state of their habitat, in particular, saline and oxygen regimens. However, the autumn season of 2017 was unfavorable for most of the lakes in terms of development of the aquatic living organisms. Substantial increase in salinity led to the depression of brine shrimp populations and to the death of chironomids. A fairly high content of mercury in some hypersaline water bodies located in the Western and Northern Crimea also comes under notice. In the case of Aygul Lake, it is associated with proximity of chemical enterprises; however, the sources of polluting substances in the other investigated water bodies at present remain unknown and require further investigation.
    Description: Исследованы гидролого-гидрохимические условия ряда гипергалинных водоемов Евпаторийской, Тарханкутской, Перекопской и Керченской групп озер. Рыбохозяйственная ценность озер заключается в обитании в них таких промысловых объектов, как артемия и хирономиды. В качестве основного источника исходных эмпирических данных использованы материалы экспедиций, проведенных в весенний, летний и осенний сезоны 2017–2019 гг. Исследована сезонная и межгодовая изменчивость гидролого-гидрохимических характеристик, выявлены их характерные особенности. В результате было установлено, что в целом абиотические факторы среды большинства озер в весенне-осенний сезон были удовлетворительными для развития обитающих в них гидробионтов. Это подтверждалось положительными гидробиологическими показателями развития данных видов и свидетельствовало об их высокой адаптивности к существующим условиям, в частности солевому и кислородному режиму. Для большинства озер был неудовлетворительным в отношении развития гидробионтов осенний сезон 2017 г.: значительное повышение солености привело к угнетению популяций артемии и гибели хирономид. Отмечено достаточно высокое содержание ртути в ряде гипергалинных водоемов, расположенных на западе и севере Крыма; в районе оз. Айгульское это связано с близостью химических предприятий, а для остальных исследуемых водоемов источники поступления поллютантов на данном этапе остаются невыясненными и требуют дополнительных наблюдений.
    Description: Published
    Description: Refereed
    Keywords: Hydrochemistry ; Hydrology ; Brine shrimp ; Chironomids ; Pollutants ; Hydrobiology ; Artemia salina ; Environmental factors ; Гидрохимия ; Гидрология ; Хирономиды ; Поллютанты ; Абиотические факторы ; ASFA_2015::S::Salt lakes ; ASFA_2015::I::Invertebrate zoology ; ASFA_2015::A::Abiotic factors
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp.35-49
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  • 19
    Publication Date: 2021-05-06
    Description: Agriculture is an economic sector with massive impact on biodiversity and agrobiodiversity. Sustainable diets represent a critical policy leverage and a realistic opportunity to reduce the environmental impact of the agro-food sector while improving human health at the same time. Eating out is an increasingly common habit for many consumers and, by offering sustainable dishes, catering companies can play a central role. To do this, they need to understand and correctly assess the sustainability of their food portfolio, but assessment tools are not well established yet. The NAHGAST project, of which this study was part, developed and tested a sustainability assessment tool for catering companies based on concrete targets defined per meal. This study addresses the lack of methods to evaluate the impact of food on biodiversity, with a particular focus on agrobiodiversity. The work illustrates a context-specific application of an enhanced DPSIR model to structure information and select indicators, and proposes a transdisciplinary use of existing metrics. Further research is needed in order to define scientifically sound target values or sustainability ranges for each indicator per meal, in order to calculate them. Strengths and limits of the study are discussed.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 20
    Publication Date: 2021-07-07
    Description: Understanding the complexity of future volcanic impacts that can be potentially induced by the large variability of volcanic hazards and the multiple dimensions of vulnerability of the increasingly interdependent and interconnected societies, requires an in-depth analysis of past events. A structured and inclusive post-event impact assessment framework is proposed and applied for the evaluation of damage and disruption on critical infrastructures caused by the eruption of the Cordón Caulle volcano (Chile) in 2011–2012. This framework is built on the forensic analysis of disasters combined with the techniques of the root cause analysis that converge in a bow-tie tool. It consists of a fault tree connected to subsequent event trees to describe the causal order of impacts. Considering the physical and systemic dimensions of vulnerability, four orders of impact have been identified: i) the first order refers to the physical damage or the primary impact on a component of the critical infrastructure; ii) the second order refers to the loss of functionality in the system due to a physical damage on key components of the system; iii) the third order refers to the systemic impact due to the interdependency and connectivity among different critical infrastructures; and iv) a higher order is related to the consequences on the main economic sectors and to social disruption that can activate an overall damage to the economy of the country or countries affected. Our study in the Argentinian Patagonia shows that the long-lasting impact of the 2011–2012 Cordón Caulle eruption is mostly due to a secondary hazard (i.e., wind remobilisation of ash), which exacerbated the primary impact affecting significantly larger areas and for longer time with respect to primary tephra deposition. In addition, systemic vulnerability, particularly the intrinsic dependencies within and among systems, played a major role in the cascading impact of the analysed communities.
    Description: This study was supported by the Swiss National Science Foundation (200021–163152).
    Description: Published
    Description: 645945
    Description: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Description: JCR Journal
    Keywords: impact assessment ; volcanic eruptions ; forensic analysis ; systemic vulnerability ; cascading effects ; bow-tie approach ; 04.08. Volcanology ; 05.08. Risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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