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  • Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie  (69)
  • Wiley-AGU  (46)
  • 2020-2023  (115)
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  • 1
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    Duvalo “Volcano” (North Macedonia): A Purely Tectonic‐Related CO2 Degassing System (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-04-01
    Description: Duvalo “volcano” is a site of anomalous geogenic degassing close to Ohrid (North Macedonia) not related to volcanic activity, despite its name. CO2 flux measurements made with the accumulation chamber (321 sites over ∼50,000 m2) showed fluxes up to nearly 60,000 g m−2 d−1, sustaining a total output of ∼67 t d−1. Soil gas samples were taken at 50 cm depth from sites with high CO2 fluxes and analyzed for their chemical and isotope composition. The gas is mainly composed by CO2 (〉90%) with significant concentrations of H2S (up to 0.55%) and CH4 (up to 0.32%). The isotope compositions of He (R/RA 0.10) and of CO2 (δ13C ∼ 0‰) exclude significant mantle contribution, while δ13C-CH4 (∼−35‰) and δ2H-CH4 (∼−170‰) suggest a thermogenic origin for CH4. The area is characterized by intense seismic activity and Duvalo corresponds to an active tectonic structure bordering the Ohrid graben. The production of H2S within the stratigraphic sequence may be explained by thermochemical reduction of sulfate. The uprising H2S is partially oxidized to sulfuric acid that, reacting with carbonate rocks, releases CO2. The tectonic structure of the area favors fluid circulation, sustaining H2S production and oxidation, CO2 production and allowing the escape of the gases to the atmosphere. In the end, Duvalo represents a tectonic-related CO2 degassing area whose gases originate mostly, if not exclusively, in the shallowest part of the crust (〈10 km). This finding highlights that even systems with trivial mantle contribution may sustain intense CO2 degassing (〉1,000 t km−2 d−1).
    Description: Published
    Description: e2021GC010198
    Description: 6A. Geochimica per l'ambiente e geologia medica
    Description: JCR Journal
    Keywords: Geogenic degassing ; CO2 fluxes ; 04. Solid Earth
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 2
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    Fault Planes, Fault Zone Structure and Detachment Fragmentation Resolved With High‐Precision Aftershock Locations of the 2016–2017 Central Italy Sequence (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-03-02
    Description: Three devastating earthquakes of MW ≥ 5.9 activated a complex system of high-angle normal, antithetic, and sub-horizontal detachment faults during the 2016–2017 central Italy seismic sequence. Waveform cross-correlation based double-difference location of nearly 400,000 aftershocks illuminate complex, fine-scale structures of interacting fault zones. The Mt. Vettore–Mt. Bove (VB) normal fault exhibits wide and complex damage zones, including a system of bookshelf faults that intersects the detachment zone. In the Laga domain, a comparatively narrow, shallow dipping segment of the deep Mt. Gorzano fault progressively ruptures through the detachment zone in four subsequent MW ∼ 5.4 events. Reconstructed fault planes show that the detachment zone is fragmented in four sub-horizontal, partly overlaying shear planes that correlated with the extent of the mainshock ruptures. We find a new, deep reaching seismic barrier that coincides with a bend in the VB fault and may play a role in controlling rupture evolution.
    Description: Published
    Description: e2021GL092918
    Description: 4T. Sismicità dell'Italia
    Description: 5T. Sismologia, geofisica e geologia per l'ingegneria sismica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 3
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    Green recovery tracker : tracking the contribution of national covid-19 recovery efforts towards a climate neutral EU ; summary report (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-03-17
    Description: The idea for the Green Recovery Tracker was born in spring 2020 when governments started making announcements on economic Corona recovery measures. From a climate and resilience perspective it is key that those recovery packages, investments and subsidies are in line with long-term climate and sustainability targets. Thus, recovery packages should not only boost the economy in the short-term, but also strike the path to a just transition towards climate neutrality. Against this background, Wuppertal Institute and E3G have launched the Green Recovery Tracker project in late summer 2020 to shed light on the following questions: What can be considered an effective green recovery? What are good examples, which can be used as an inspiration for recovery programs aiming to support sustainable development? Where do the individual Member States stand with respect to aligning their recovery activities with the climate policy agenda? In this report, you will find our Methodology as well our Policy Briefing highlighting our key takeaways of our country and sectoral analyses. It further includes a section on "What can we learn from our experience with the Green Recovery Tracker?". The briefing concludes with a "Guidance for future funding programs and achieving climate targets overall".
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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  • 4
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    Comment on “Fragmentation of the Adriatic Promontory: New Chronological Constraints From Neogene Shortening Rates Across the Southern Alps (NE Italy)” by Moulin & Benedetti (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-04-29
    Description: Moulin and Benedetti (2018), https://doi.org/10.1029/2018tc00495810.1029/2018tc004958 present a new interpretation of the Neogene-Quaternary tectonic evolution of the Eastern Southern Alps (ESA) in Friuli. After the reinterpretation of literature field data by means of remote sensing analysis (Digital Elevation Model interpretation), they calculated deformation rates of the tectonic structures through age interpretation of geomorphological surfaces of the Veneto-Friuli piedmont plain. The authors linked the result of surface analysis to the thrust and fold architecture of the ESA basing on the Castellarin et al. (2006), https://doi.org/10.1016/j.tecto.2005.10.013 interpretation of TRANSALP project and the Friuli geological map at the scale 1:150,000 (Carulli, 2006). Discussing their new architecture of the ESA, the Authors finally yielded rates of Europe-Adria plates convergence and suggest fragmentation of Adria over the last 1–2 Ma. The present comment is aimed at discussing several critical points concerning: the use of the geomorphological and chronological data; the misinterpretation of the Digital Terrain Model; the reconstruction of the balanced geological cross section. Moreover, the application of a structural model defined in a certain area to another without considering peculiar structural complexities available in the literature results is geologically and methodologically questionable.
    Description: Published
    Description: e2019TC005696
    Description: 2T. Deformazione crostale attiva
    Description: JCR Journal
    Keywords: Comment ; active tectonics ; NE Italy ; Eastern Southern Alps ; Geodynamics ; 04.07. Tectonophysics ; 04.04. Geology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 5
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    Tephra Fallout Probabilistic Hazard Maps for Cotopaxi and Guagua Pichincha Volcanoes (Ecuador) With Uncertainty Quantification (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-05-03
    Description: Tephra fallout hazard assessment is undertaken with probabilistic maps that rely on numerical models. Regarding maps production, the input parameters of the model (including atmospheric conditions), the physical approximations of the numerical simulations, and the probabilities of occurrence of different eruption types in specific time frames are among the most critical sources of uncertainty. We therefore present a tephra fallout hazard assessment study for two active volcanoes (Cotopaxi and Guagua Pichincha) in Ecuador. We utilize PLUME-MoM/HYSPLIT models, and a procedure for uncertainty quantification where: (a) the uncertainty on eruptive source parameters and eruption type occurrence is quantified through expert elicitation; (b) we implement a new procedure for correlations between the different parameters, and (c) we use correction coefficients to take into account the uncertainty of the numerical model. Maps of exceedance probability given a deposit thickness threshold, and thickness maps given a probability of exceedance, are produced (a) for two eruptive scenarios (sub-Plinian and Plinian) and (b) as a combination of these scenarios in case the next eruption will be sub-Plinian or Plinian. These maps are described according to the uncertainty distribution of eruption type occurrence probabilities, considering their 5th percentile, mean, and 95th percentile values. We finally present hazard curves describing exceeding probabilities in 10 sensitive sites within the city of Quito. Additional information includes the areal extent and the population potentially affected by different isolines of tephra accumulation. This work indicates that full uncertainty quantification helps in providing more robust scientific information, improving the hazard assessment reliability.
    Description: Published
    Description: e2021JB022780
    Description: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 6
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    New insights into the recent magma dynamics under Campi Flegrei caldera (Italy) from petrological and geochemical evidence (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-03-16
    Description: The Campi Flegrei caldera is considered the most dangerous volcano in Europe and is currently in a new phase of unrest (started in 2000 and still ongoing) that has persisted intermittently for several decades (main crisis occurred from 1950-52, 70-72 and 82-84). Here, by combining the petrological and geochemical data collected in recent decades with numerical simulations, we place new constraints on the source(s) of the current dynamics of the volcano. In particular, we show that the measured (N2-He-CO2) geochemical changes at the fumaroles of Solfatara hydrothermal site are the result of massive (about 3 km3) magma degassing in the deep portion (≥ 200 MPa, 8 km of depth) of the plumbing system. This degassing mechanism would be able to flood the overlying hydrothermal system with hot gas, thus heating and fracturing the upper crust inducing shallow seismicity and deformation. This implies that the deep magma transfer process (≥8 km) has been decoupled from the source of deformation and seismicity, localized in the first kilometers (0-4 km) of caldera-filling rocks. This information on magma transfer depth can have important implications for defining the best monitoring strategies and for forecasting a future eruption. Finally, this study highlights how petrological and geochemical data allow us to explore the dynamics of the deep portion of the plumbing system and thus trace the occurrence of recharge episodes, in a portion of the ductile lower crust where magma transfer occurs in the absence of earthquakes. Plain Language Summary Calderas are volcanic depressions formed as the ground collapses during huge volcanic eruptions. They often exhibit pronounced unrest, with frequent earthquakes, ground uplift, and considerable heat and mass flux that are monitored by volcanologists for eruption forecasting. However, as this activity is due to the complex interactions among magma and hydrothermal system stored beneath the volcano, it is always difficult to predict the evolution of the unrest towards critical conditions until to eruption. The Campi Flegrei caldera is among the most dangerous volcanos in Europe and is currently in a new phase of unrest that has lasted for several decades, whose nature (magmatic or not magmatic) has remained unclear. Here, we combine petrological and geochemical observations collected in recent decades with numerical simulations to place new constraints on the source of the recent dynamics of the volcano. In particular, we show that new deep magma has recharged the shallow reservoir beneath the volcano and flooded the overlying hydrothermal system with hot gas; thereby weakening the upper rocks allowing deformation (ground uplift) and fracturing (seismicity). This information is particularly important in the case of high-risk Campi Flegrei caldera, because it can help to improve defense strategies in case of future eruption.
    Description: Published
    Description: e2021JB023773
    Description: 4V. Processi pre-eruttivi
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 7
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    Seasonal Variation of Methane Microseepage in the Dawanqi Oilfield (China): A Possible Climatic Control (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-03-17
    Description: Natural gas microseepage in petroleum-bearing sedimentary basins is an important complement to geophysical methods in oil-gas exploration and a natural source of methane (CH4) for the atmosphere. Microseepage, typically occurring in correspondence with petroleum fields throughout the world, is generally lower in summer, due to temperature-driven methanotrophic consumption, and higher in winter. The global estimates of microseepage methane emission have, however, relatively high uncertainties because of limited amounts of flux data, leading to poor knowledge of the spatial distribution and temporal variability of the gas emission factors. We studied the seasonal variation of microseepage flux to the atmosphere from a petroleum field in China (the Dawanqi oilfield), through methane flux measurements performed in summer 2014, winter 2015, and summer 2019. Winter data refer to frozen soil conditions, with snow cover and ice thickness in the soil exceeding 60 cm. Gas concentration (CH4, CO2, C2+ alkanes) and stable C isotopic composition of CH4 and CO2 in shallow (4 m deep) boreholes confirmed the existence of thermogenic gas seepage. Methane microseepage is higher in summer and lower or nil in winter. This seasonal trend is opposite to what was observed in areas where winter soil is not or poorly frozen. Our data suggest that seasonal microseepage variation may not be univocal worldwide, being strongly dependent on the presence of ice and snow cover in winter. The regional increase of temperature due to climate change, already demonstrated for the Tarim Basin over the last 50 years, could, in the future, reduce winter ice and enhance annual methane emission to the atmosphere.
    Description: Published
    Description: e2021JD034637
    Description: 6A. Geochimica per l'ambiente e geologia medica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 8
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    Slip Tendency Analysis, Fault Reactivation Potential and Induced Seismicity in the Val d'Agri Oilfield (Italy) (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-03-18
    Description: The Val d'Agri basin hosts an oil-field, the largest in onshore Europe, and it is one of the areas of highest seismic hazard in Italy. In an unproductive marginal portion of the reservoir, wastewater is re-injected by a high-rate well. Since the beginning of re-injection in June 2006, a spatio-temporal correlation between microseismicity (ML ≤ 2.0) and wastewater injection has been observed (suggesting induced seismicity). In this study, we perform a slip-tendency analysis on the fault system involved in the induced seismicity through a coupled fluid-flow and geomechanical numerical model simulating the stress partitioning due to the tectonic forces and to the fluid injection. The model results show that the fluid diffusion is strongly dependent on the active stress field and the geological structure in which fluids are injected, which conditioned the occurrence of seismicity that aligned on a small portion of a NE-dipping fault. However, another fault located closer to the injection well and where no seismicity was detected, is the better well-oriented fault with the active stress field and, also, the one more susceptible to the pore pressure increase. These results suggest different types of fault deformation acting in the Val d'Agri oilfield as response to the fluid injection (i.e., a mixed-mode fault slip behavior). Understanding the stress partitioning in tectonically active regions where underground activities such as fluid injection are ongoing is fundamental to give strong constraints for the discrimination between natural and induced seismicity, and finally for a more reliable and robust definition of seismic hazard.
    Description: Published
    Description: 2019JB019185
    Description: 1T. Struttura della Terra
    Description: 2T. Deformazione crostale attiva
    Description: 6T. Studi di pericolosità sismica e da maremoto
    Description: 7T. Variazioni delle caratteristiche crostali e "precursori"
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 9
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    Source Mechanisms of Laboratory Earthquakes During Fault Nucleation and Formation (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-28
    Description: Identifying deformation and pre-failure mechanisms preceding faulting is key for fault mechanics and for interpreting precursors to fault rupture. This study presents the results of a new and robust derivation of first motion polarity focal mechanism solutions (FMS) applied to acoustic emission (AE). FMS are solved using a least squares minimization of the fit between projected polarity measurements and the deviatoric stress field induced by dilatational (T-type), shearing (S-type), and compressional (C-type) sources. 4 × 10 cm cylindrical samples of Alzo Granite (AG, porosity 〈1%) and Darley Dale Sandstone (DDS, porosity ≈14%) underwent conventional triaxial tests in order to investigate the relationships between increasing confining pressure (5, 10, 20, and 40 MPa), deformation and failure mode, and role of microstructural features. Results highlight that S-type events occur in very low numbers with poor spatial correlation to fault structure. Instead, deformation is driven by a complex interplay between compactant (C-type) and dilatant (T-type) regions of deformation. C-type events are the earliest precursor related to crack nucleation and T-type events mark new cracks opening, with the onset of fracture growth characterized by periodic cycles of coalescence. For AG a single sequence is able to lead to dynamic failure, while for DDS several cycles are needed for coalescence to take place due to the competition between dilatant and compactant deforming regions induced by multiple fracture nucleation sites. The occurrence of C- and S-type events is also consistent with a quasi-static premonitory phase, or foreshock, before a critical nucleation length allows the development of a planar localization.Identifying deformation and pre-failure mechanisms preceding faulting is key for fault mechanics and for interpreting precursors to fault rupture. This study presents the results of a new and robust derivation of first motion polarity focal mechanism solutions (FMS) applied to acoustic emission (AE). FMS are solved using a least squares minimization of the fit between projected polarity measurements and the deviatoric stress field induced by dilatational (T-type), shearing (S-type), and compressional (C-type) sources. 4 × 10 cm cylindrical samples of Alzo Granite (AG, porosity 〈1%) and Darley Dale Sandstone (DDS, porosity ≈14%) underwent conventional triaxial tests in order to investigate the relationships between increasing confining pressure (5, 10, 20, and 40 MPa), deformation and failure mode, and role of microstructural features. Results highlight that S-type events occur in very low numbers with poor spatial correlation to fault structure. Instead, deformation is driven by a complex interplay between compactant (C-type) and dilatant (T-type) regions of deformation. C-type events are the earliest precursor related to crack nucleation and T-type events mark new cracks opening, with the onset of fracture growth characterized by periodic cycles of coalescence. For AG a single sequence is able to lead to dynamic failure, while for DDS several cycles are needed for coalescence to take place due to the competition between dilatant and compactant deforming regions induced by multiple fracture nucleation sites. The occurrence of C- and S-type events is also consistent with a quasi-static premonitory phase, or foreshock, before a critical nucleation length allows the development of a planar localization.
    Description: Published
    Description: e2020JB021059
    Description: 1T. Struttura della Terra
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 10
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    Structural Evolution of a Crustal-Scale Seismogenic Fault in a Magmatic Arc: The Bolfin Fault Zone (Atacama Fault System) (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-28
    Description: How major crustal-scale seismogenic faults nucleate and evolve in crystalline basements represents a long-standing, but poorly understood, issue in structural geology and fault mechanics. Here, we address the spatio-temporal evolution of the Bolfin Fault Zone (BFZ), a 〉40-km-long exhumed seismogenic splay fault of the 1000-km-long strike-slip Atacama Fault System. The BFZ has a sinuous fault trace across the Mesozoic magmatic arc of the Coastal Cordillera (Northern Chile) and formed during the oblique subduction of the Aluk plate beneath the South American plate. Seismic faulting occurred at 5-7 km depth and ≤ 300°C in a fluid-rich environment as recorded by extensive propylitic alteration and epidote-chlorite veining. Ancient (125-118 Ma) seismicity is attested by the widespread occurrence of pseudotachylytes. Field geologic surveys indicate nucleation of the BFZ on precursory geometrical anisotropies represented by magmatic foliation of plutons (northern and central segments) and andesitic dyke swarms (southern segment) within the heterogeneous crystalline basement. Seismic faulting exploited the segments of precursory anisotropies that were optimal to favorably oriented with respect to the long-term far-stress field associated with the oblique ancient subduction. The large-scale sinuous geometry of the BFZ resulted from the hard linkage of these anisotropy-pinned segments during fault growth.
    Description: European Research Council Project (NOFEAR) 614705
    Description: Published
    Description: e2021TC006818
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: JCR Journal
    Keywords: Atacama Fault System; fault growth; intra‐arc deformation; pseudotachylytes; seismogenic fault; structural inheritance ; Solid Earth
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  • 11
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    Transformation zur "Grünsten Industrieregion der Welt" - aufgezeigt für die Metropole Ruhr : Studie (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-23
    Description: Industrieregionen stehen vor besonderen Herausforderungen für eine nachhaltige und klimagerechte Entwicklung, sie müssen zu "grünen Industrieregionen" werden. Doch was macht eine "grüne Industrieregion" überhaupt aus? Die vorliegende Studie des Wuppertal Instituts verdeutlicht, worauf es besonders ankommt, wie Fortschritte gemessen werden können und welche Maßnahmen die erforderliche Transformation beschleunigen können. Das Autorenteam schätzt die Vorreiterpotenziale der Metropole Ruhr für sieben Indikatoren ein, die besonders deutlich bei der Umweltwirtschaft und der Entwicklung der Grün- und Erholungsflächen herausstechen.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 12
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    Improving Constraints on Planetary Interiors With PPs Receiver Functions (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-21
    Description: Seismological constraints obtained from receiver function (RF) analysis provide important information about the crust and mantle structure. Here, we explore the utility of the free-surface multiple of the P-wave (PP) and the corresponding conversions in RF analysis. Using earthquake records, we demonstrate the efficacy of PPs-RFs before illustrating how they become especially useful when limited data is available in typical planetary missions. Using a transdimensional hierarchical Bayesian deconvolution approach, we compute robust P-to-S (Ps)- and PPs-RFs with InSight recordings of five marsquakes. Our Ps-RF results verify the direct Ps converted phases reported by previous RF analyses with increased coherence and reveal other phases including the primary multiple reverberating within the uppermost layer of the Martian crust. Unlike the Ps-RFs, our PPs-RFs lack an arrival at 7.2 s lag time. Whereas Ps-RFs on Mars could be equally well fit by a two- or three-layer crust, synthetic modeling shows that the disappearance of the 7.2 s phase requires a three-layer crust, and is highly sensitive to velocity and thickness of intra-crustal layers. We show that a three-layer crust is also preferred by S-to-P (Sp)-RFs. While the deepest interface of the three-layer crust represents the crust-mantle interface beneath the InSight landing site, the other two interfaces at shallower depths could represent a sharp transition between either fractured and unfractured materials or thick basaltic flows and pre-existing crustal materials. PPs-RFs can provide complementary constraints and maximize the extraction of information about crustal structure in data-constrained circumstances such as planetary missions.
    Description: Published
    Description: e2021JE006983
    Description: 1T. Struttura della Terra
    Description: JCR Journal
    Keywords: InSight; Mars; Martian crust; Receiver function; Seismology; Transdimensional hierarchical Bayesian
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  • 13
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    Pore Fluid Pressure Imaging of the Mt. Pollino Region (Southern Italy) From Earthquake Focal Mechanisms (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-24
    Description: Focal mechanisms of selected earthquakes, recorded in the Mount Pollino region (southern Italy) from 2010 through 2014, are used to infer the pore fluid pressure at hypocenter depths. The 3-D excess pore pressure field provides evidence that the sequence occurs in a fluid-filled volume with values reaching 35 MPa. The mechanisms underlying this swarm-like sequence and the triggering of earthquakes are investigated by computing the cumulative static Coulomb stress change at hypocenter depths and analyzing the pore-pressure diffusion mechanism. The results indicate that static Coulomb stress change was lower than 0.01 MPa, which is the value generally assumed as threshold for the triggering, and seismicity distribution was actually driven by pore-pressure diffusion with relatively low diffusivity value. This latter mechanism could also explain the delayed triggering of the two larger events ML 4.3 and ML 5.0, respectively, that occurred about 150 days apart.
    Description: Published
    Description: e2021GL094552
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: JCR Journal
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  • 14
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    Hazard from Endogenous Gas Emissions and Phreatic Explosions in Rome City (Italy) (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-25
    Description: A gas blowout during an unauthorised well drilling occurred on 9 June 2020 at the Rome-Ciampino boundary at the periphery of Colli Albani quiescent volcano. This zone hosts a shallow confined gas-pressured aquifer, which recently produced further three gas blowouts. Dangerous atmospheric CO2 and H2S concentrations killed some birds and 12 families were evacuated. The helium isotopic composition indicates that the gas has a magmatic origin. It rises toward the surface along leaky faults, pressurizing the shallow confined aquifer and creating a permanent gas blowout hazard. Colli Albani volcano is characterized by anomalous uplift, release of magmatic gas and episodic seismic crises. Should a volcanic unrest occur, gas hazard would increase in this densely inhabited zone of Rome city, as the input of magmatic gas into the confined aquifer might create overpressure conditions leading to a harmful phreatic explosion, or increase the emission of hazardous gas through newly created fractures.
    Description: Published
    Description: e2020GL089797
    Description: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Description: JCR Journal
    Keywords: gas blowouts from drillings ; hazardous CO2 and H2S air concentrations ; anomalous soil CO2 flux ; hazard of a possible phreatic explosion ; 04.08. Volcanology
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  • 15
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    The Birth of a Hawaiian Fissure Eruption (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-25
    Description: Most basaltic explosive eruptions intensify abruptly, allowing little time to document processes at the start of eruption. One opportunity came with the initiation of activity from fissure 8 (F8) during the 2018 eruption on the lower East Rift Zone of Kīlauea, Hawaii. F8 erupted in four episodes. We recorded 28 min of high-definition video during a 51-min period, capturing the onset of the second episode on 5 May. From the videos, we were able to analyze the following in-flight parameters: frequency and duration of explosions; ejecta heights; pyroclast exit velocities; in-flight total mass and estimated mass eruption rates; and the in-flight total grain size distributions. The videos record a transition from initial pulsating outgassing, via spaced, but increasingly rapid, discrete explosions, to quasisustained, unsteady fountaining. This transition accompanied waxing intensity (mass flux) of the F8 eruption. We infer that all activity was driven by a combination of the ascent of a coupled mixture of small bubbles and melt, and the buoyant rise of decoupled gas slugs and/or pockets. The balance between these two types of concurrent flow determined the exact form of the eruptive activity at any point in time, and changes to their relative contributions drove the transition we observed at early F8. Qualitative observations of other Hawaiian fountains at Kīlauea suggest that this physical model may apply more generally. This study demonstrates the value of in-flight parameters derived from high-resolution videos, which offer a rapid and highly timesensitive alternative to measurements based on sampling of deposits posteruption.
    Description: Published
    Description: e2020JB020903
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 16
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    Which Picker Fits My Data? A Quantitative Evaluation of Deep Learning Based Seismic Pickers (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-11
    Description: Seismic event detection and phase picking are the base of many seismological workflows. In recent years, several publications demonstrated that deep learning approaches significantly outperform classical approaches, achieving human-like performance under certain circumstances. However, as studies differ in the datasets and evaluation tasks, it is unclear how the different approaches compare to each other. Furthermore, there are no systematic studies about model performance in cross-domain scenarios, that is, when applied to data with different characteristics. Here, we address these questions by conducting a large-scale benchmark. We compare six previously published deep learning models on eight data sets covering local to teleseismic distances and on three tasks: event detection, phase identification and onset time picking. Furthermore, we compare the results to a classical Baer-Kradolfer picker. Overall, we observe the best performance for EQTransformer, GPD and PhaseNet, with a small advantage for EQTransformer on teleseismic data. Furthermore, we conduct a cross-domain study, analyzing model performance on data sets they were not trained on. We show that trained models can be transferred between regions with only mild performance degradation, but models trained on regional data do not transfer well to teleseismic data. As deep learning for detection and picking is a rapidly evolving field, we ensured extensibility of our benchmark by building our code on standardized frameworks and making it openly accessible. This allows model developers to easily evaluate new models or performance on new data sets. Furthermore, we make all trained models available through the SeisBench framework, giving end-users an easy way to apply these models.
    Description: This work was supported by the Helmholtz Association Initiative and Networking Fund on the HAICORE@KIT partition. J. Münchmeyer acknowledges the support of the Helmholtz Einstein International Berlin Research School in Data Science (HEIBRiDS). The authors thank the Impuls-und Vernetzungsfonds of the HGF to support the REPORT-DL project under the grant agreement ZT-I-PF-5-53. This work was also partially supported by the project INGV Pianeta Dinamico 2021 Tema 8 SOME (CUP D53J1900017001) funded by Italian Ministry of University and Research “Fondo finalizzato al rilancio degli investimenti delle amministrazioni centrali dello Stato e allo sviluppo del Paese, legge 145/2018.” Open access funding enabled and organized by Projekt DEAL.
    Description: Published
    Description: e2021JB023499
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: JCR Journal
    Keywords: seismic phase recognition ; deep learnig ; 04.06. Seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Improved Constraints on Global Methane Emissions and Sinks Using δ 13C-CH4 (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-07
    Description: We study the drivers behind the global atmospheric methane (CH4) increase observed after 2006. Candidate emission and sink scenarios are constructed based on proposed hypotheses in the literature. These scenarios are simulated in the TM5 tracer transport model for 1984-2016 to produce three-dimensional fields of CH4 and δ 13C-CH4, which are compared with observations to test the competing hypotheses in the literature in one common model framework. We find that the fossil fuel (FF) CH4 emission trend from the Emissions Database for Global Atmospheric Research 4.3.2 inventory does not agree with observed δ 13C-CH4. Increased FF CH4 emissions are unlikely to be the dominant driver for the post-2006 global CH4 increase despite the possibility for a small FF emission increase. We also find that a significant decrease in the abundance of hydroxyl radicals (OH) cannot explain the post-2006 global CH4 increase since it does not track the observed decrease in global mean δ 13C-CH4. Different CH4 sinks have different fractionation factors for δ 13C-CH4, thus we can investigate the uncertainty introduced by the reaction of CH4 with tropospheric chlorine (Cl), a CH4 sink whose abundance, spatial distribution, and temporal changes remain uncertain. Our results show that including or excluding tropospheric Cl as a 13 Tg/year CH4 sink in our model changes the magnitude of estimated fossil emissions by ∼20%. We also found that by using different wetland emissions based on a static versus a dynamic wetland area map, the partitioning between FF and microbial sources differs by 20 Tg/year, ∼12% of estimated fossil emissions.
    Description: Published
    Description: e2021GB007000
    Description: 6A. Geochimica per l'ambiente e geologia medica
    Description: JCR Journal
    Keywords: atmospheric methane; atmospheric modeling; greenhouse gas; methane budget; source attribution; stable isotope of methane
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 18
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    Active Faulting and Deep‐Seated Gravitational Slope Deformation in Carbonate Rocks (Central Apennines, Italy): A New “Close‐Up” View (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-14
    Description: Active faulting and deep-seated gravitational slope deformation (DGSD) are common geological hazards in mountain belts worldwide. In the Italian central Apennines, kilometer-thick carbonate sedimentary sequences are cut by major active normal faults that shape the landscape, generating intermontane basins. Geomorphological observations suggest that the DGSDs are commonly located in fault footwalls. We selected five mountain slopes affected by DGSD and exposing the footwall of active seismogenic normal faults exhumed from 2 to 0.5 km depth. Field structural analysis of the slopes shows that DGSDs exploit preexisting surfaces formed both at depth and near the ground surface by tectonic faulting and, locally, by gravitational collapse. Furthermore, the exposure of sharp scarps along mountain slopes in the central Apennines can be enhanced either by surface seismic rupturing or gravitational movements (e.g., DGSD) or by a combination of the two. At the microscale, DGSDs accommodate deformation mechanisms similar to those associated with tectonic faulting. The widespread compaction of micro-grains (e.g., clast indentation), observed in the matrix of both normal faults and DGSD slip zones, is consistent with clast fragmentation, fluid-infiltration, and congruent pressuresolution active at low ambient temperatures (〈60°C) and lithostatic pressures (〈80 MPa). Although clast comminution is more intense in the slip zones of normal faults because of the larger displacement accommodated, we are not able to find microstructural markers that allow us to uniquely distinguish faults from DGSDs.
    Description: Published
    Description: e2021TC006698
    Description: 2T. Deformazione crostale attiva
    Description: JCR Journal
    Keywords: Tettonofisica ; Geologia
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 19
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    Comparison of Deep Learning Techniques for the Investigation of a Seismic Sequence: An Application to the 2019, Mw 4.5 Mugello (Italy) Earthquake (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-01-03
    Description: The increase of available seismic data prompts the need for automatic processing procedures to fully exploit them. A good example is aftershock sequences recorded by temporary seismic networks, whose thorough analysis is challenging because of the high seismicity rate and station density. Here, we test the performance of two recent Deep Learning algorithms, the Generalized Phase Detection and Earthquake Transformer, for automatic seismic phases identification. We use data from the December 2019 Mugello basin (Northern Apennines, Italy) swarm, recorded on 13 permanent and nine temporary stations, applying these automatic procedures under different network configurations. As a benchmark, we use a catalog of 279 manually repicked earthquakes reported by the Italian National Seismic Network. Due to the ability of deep learning techniques to identify earthquakes under poor signal-to-noise-ratio (SNR) conditions, we obtain: (a) a factor 3 increase in the number of locations with respect to INGV bulletin and (b) a factor 4 increase when stations from the temporary network are added. Comparison between deep learning and manually picked arrival times shows a mean difference of 0.02–0.04 s and a variance in the range 0.02–0.07 s. The improvement in magnitude completeness is ∼0.5 units. The deep learning algorithms were originally trained using data sets from different regions of the world: our results indicate that these can be successfully applied in our case, without any significant modification. Deep learning algorithms are efficient and accurate tools for data reprocessing in order to better understand the space-time evolution of earthquake sequences.
    Description: Published
    Description: e2021JB023405
    Description: 4T. Sismicità dell'Italia
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 20
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    Lava Flow Eruption Conditions in the Tharsis Volcanic Province on Mars (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-11
    Description: Volcanism has played a major role in modifying the Martian surface. The Tharsis volcanic province dominates the western hemisphere of the planet with numerous effusive volcanic constructs and deposits. Here, we present the results of an in-depth study aimed at characterizing and modeling the emplacement conditions of 40 lava flows in the Tharsis volcanic province. These lava flows display a range of lengths (∼15–310 km), widths (∼0.5–29 km), and thicknesses (∼11–91 m). The volumes and flow masses range from ∼1 to 440 km3 and ∼1011 to 1014 kg, respectively. Using three different models, we calculated a range of eruption rates (0.3–3.5 × 104 m3/s), viscosities (104–107 Pa s), yield strengths (800–104 Pa), and emplacement times (8 h–11 years). While the flow lengths and volumes are typically larger than terrestrial lava flows by an order of magnitude, rheologies and eruption rates are similar based on our findings. Emplacement times suggest that eruptions were active for long periods of time, which implies the presence and persistence of open subsurface pathways. Differences in flow morphology and emplacement conditions across localities within Tharsis highlight different pathways and volumes of available material between the central volcanoes and the plains. The scale of the eruptions suggests there could have been eruption-driven local, regional, and perhaps, global impacts on the Martian climate. The relatively recent age of the eruptions implies that Mars has retained the capability of producing significant localized volcanism.
    Description: Published
    Description: e2020JE006791
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
    Keywords: Lava flows ; 05.07. Space and Planetary sciences ; 04.08. Volcanology
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  • 21
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    Global Volume Distribution for Subaerial Volcanism on Earth (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-02-11
    Description: Knowledge of the global distribution of Earth volcanism is critical in many fields of the Geosciences involving large-scale assessments, such as plate tectonics, global volcanic hazards, and climate change. Recent analysis has revealed that global eruption inter-event times are exponentially distributed, implying that on the global scale volcanic eruptions are Poisson distributed. Here, we employ those findings to calibrate a continuous frequency-volume distribution for subaerial eruptions of any size on Earth from small lava flows to super-eruptions. Obtaining such a continuous global distribution implies considering the existing data and the way they are collected and categorized into databases, as well as extending the available eruption volume data to eruption VEI classes less than 4. The continuous global distribution shows an initial log-normal section up to volumes of about 170 Mm3, followed by a power-law section, tapered on its extreme right-end side, encompassing about five orders of magnitude of eruption volumes. The potential implications are discussed in terms of short-term eruption forecasts of the size of an impending eruption, critical for volcanic emergency management.
    Description: Published
    Description: e2021JB021763
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 22
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    The circular economy and digitalisation - strategies for a digital-ecological industry transformation : a study commmissioned by Huawei Technologies Germany GmbH (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-01-26
    Description: Within the Shaping Digitalisation project, we aim to highlight and discuss the opportunities that digitalisation can bring to Germany. In particular, we are discussing three stand-out areas where action is most needed to achieve ecological transformation: mobility, the circular economy, and agriculture and food. This report addresses the second area in need of action. Up until now, discussions on the circular economy have been limited to recycling and the re-use of materials. We must expand the scope of these discussions to include new, resource-efficient business models and the comprehensive transformation of value chains and industrial structures. Our analysis has found that digitalisation is indispensable for this transformation if used properly. We hope this report will provide the impetus needed to kick-start a climate- and resource-friendly industrial transformation in Germany. Here, we have incorporated the findings of our interdisciplinary workshop on "Shaping the Digital-Ecological Industrial Transformation - Business Models and Political Framework Conditions for Climate and Resource Protection" that was attended by experts from international research institutes, civil organizations, public authorities, and private companies.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    The International Reference Ionosphere Model: A Review and Description of an Ionospheric Benchmark (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-10-13
    Description: This paper is a review of the International Reference Ionosphere (IRI) project and model. IRI is recognized as the official standard for the Earth's ionosphere by the International Standardization Organization, the International Union of Radio Science, the Committee on Space Research, and the European Cooperation for Space Standardization. As requested by these organizations, IRI is an empirical (data-based) model representing the primary ionospheric parameters based on the long data record that exists from ground and space observations of the ionosphere. The core model describes monthly averages of the electron density, electron temperature, ion temperature, and ion composition globally in the altitude range from 60 to 2,000 km. Over time additional parameters were added in response to requests from the user community, this includes the equatorial ion drift, the occurrence probability of spread-F and of an F1 layer, auroral boundaries and the electron content from the bottom of the ionosphere to user-specified altitude. IRI has undergone extensive validations and is used for a wide range of applications in science, engineering, and education. This review is the result of many requests we have received for a comprehensive description of the model. It is also meant as a guide for users who are interested in a deeper understanding of the model architecture and its mathematical formalism.
    Description: Published
    Description: e2022RG000792
    Description: 2A. Fisica dell'alta atmosfera
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 24
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    Quantifying the Statistical Relationships Between Flank Eruptions and Major Earthquakes at Mt. Etna Volcano (Italy) (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-10-18
    Description: At Mt. Etna volcano, flank eruptions are often accompanied by seismic swarms with damaging earthquakes; the most recent case-history is the 2018 flank eruption, associated with a destructive earthquake (Mw 5.0). In this paper, we analyze the earthquake and eruptive catalogs from 1800 to 2018, to produce quantitative estimates of the earthquake rate under the influence of flank eruptions. We quantify that 30% of the flank eruption onsets precede a major (i.e., damaging, Ix ≥ V–VI EMS) earthquake by 30 days or less; 18% of the major earthquakes follow a flank eruption onset in 30 days or less. Thus, we show that the probability of major earthquakes increases 5–10 times after the onset of flank eruptions and this effect lasts for 30–45 days. This is also observed after the end of the eruptions. Results indicate different relationships depending on the location of the volcano-tectonic systems considered individually (eruptive fissures, seismogenic faults). For instance, we describe a 10–20 times increased probability of earthquakes for 65–70 days after eruptions on the northeastern flank, and of new flank eruptions for 45–70 days after earthquakes of the Pernicana fault.
    Description: Published
    Description: e2022JB024145
    Description: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 25
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    From Fossil to Active Hydrothermal Outflow in the Back‐Arc of the Central Apennines (Zannone Island, Italy) (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-10-24
    Description: Post-orogenic back-arc magmatism is accompanied by hydrothermal ore deposits and mineralizations derived from mantle and crustal sources. We investigate Zannone Island (ZI), back-arc Tyrrhenian basin, Italy, to define the source(s) of mineralizing hydrothermal fluids and their relationships with the regional petrological-tectonic setting. On ZI, early Miocene thrusting was overprinted by late Miocene post-orogenic extension and related hydrothermal alteration. Since active submarine hydrothermal outflow is reported close to the island, Zannone provides an ideal site to determine the P-T-X evolution of the long-lived hydrothermal system. We combined field work with microstructural analyses on syn-tectonic quartz veins and carbonate mineralizations, X-ray diffraction analysis, microthermometry and element mapping of fluid inclusions (FIs), C, O, and clumped isotopes, and analyses of noble gases (He-Ne-Ar) and CO2 content in FIs. Our results document the evolution of a fluid system of magmatic origin with increasing mixing of meteoric fluids. Magmatic fluids were responsible for quartz veins precipitation at ∼125 to 150 MPa and ∼300°C–350°C. With the onset of extensional faulting, magmatic fluids progressively interacted with carbonate rocks and mixed with meteoric fluids, leading to (a) host rock alteration with associated carbonate and minor ore mineral precipitation, (b) progressive fluid neutralization, (c) cooling of the hydrothermal system (from ∼320°C to ∼86°C), and (d) embrittlement and fracturing of the host rocks. Both quartz and carbonate mineralizations show noble gases values lower than those from the adjacent active volcanic areas and submarine hydrothermal systems, indicating that the fossil-to-active hydrothermal history is associated with the emplacement of multiple magmatic intrusions.
    Description: Published
    Description: e2022GC010474
    Description: 1T. Struttura della Terra
    Description: 2T. Deformazione crostale attiva
    Description: 7T. Variazioni delle caratteristiche crostali e "precursori"
    Description: 9T. Geochimica dei fluidi applicata allo studio e al monitoraggio di aree sismiche
    Description: 2TR. Ricostruzione e modellazione della struttura crostale
    Description: JCR Journal
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  • 26
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    Locating tremor using stacked products of correlations (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-10-28
    Description: We introduce a back-projection method to locate tremor sources using products of cross-correlation envelopes of time series between seismic stations. For a given subset of n stations, we calculate the (n − 1)th-order product of cross-correlation envelopes and we stack the back-projected products over combinations of station subsets.We show that compared to existing correlation methods and for realistic signal and noise characteristics, this way of combining information can significantly reduce the effects of correlated (spurious or irrelevant signals) and uncorrelated noise. Each back-projected product constitutes an individual localized estimate of the source locations, as opposed to a hyperbola for the existing correlation techniques, assuming a uniform velocity in two dimensions. We demonstrate the method with synthetic examples and a real-data example from tremor at Katla Volcano, Iceland, in July 2011. Despite very complex near-surface structure, including strong topography and thick ice cover, the method appears to produce robust estimates of tremor location.
    Description: Published
    Description: 3156–3164
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: 4V. Processi pre-eruttivi
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
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  • 27
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    Transformationslücke schließen - Handeln unter Hochdruck : wie Deutschland seine Ziele beim Klima- und Ressourcenschutz noch erreichen kann (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-11
    Description: Deutschland liegt bei Klimaschutz und der langfristigen Sicherung der Energie- und Rohstoffversorgung weit hinter seinen eigenen Zielen. Nur mit Tempo, Mut und Ehrlichkeit lässt sich der Rückstand jetzt aufholen. Dazu gehören ein beschleunigter Ausbau erneuerbarer Energien, ein sofortiger Aufbau eines umfassenden Netzes für grünen Wasserstoff, verbindliche Ziele für eine echte Kreislaufwirtschaft, klare Vorgaben für den Wohnungsbestand, eine ernsthafte Mobilitätswende und wirksame Anreize für eine nachhaltige Produktion. Bei all dem müssen sozial gerechte Lösungen gefunden werden, nur so lässt sich CO2-Vermeidung und Ressourcenschutz in der Breite durchsetzen. Das vorliegende Impulspapier des Wuppertals Instituts zeigt, wie sehr Deutschland auf dem Weg zur Nachhaltigkeit seinen eigenen Zielen hinterherhinkt.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Data ecosystems for the sustainability transformation : a study commissioned by Huawei Technologies Deutschland GmbH (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-11
    Description: In the coming years, we must set a course that will allow as to protect our climate, reduce resource consumption, and preserve biodiversity. A profound ecological system change is on the horizon in all central areas of action of the economy and society, or transformation arenas. Digitalisation is a prerequisite for the success in this change and will impact these arenas at multiple levels: Digital technologies and applications will make it possible to improve current procedures, processes, and structures (Improve) and help us take the first steps towards new business models and frameworks (Convert). Despite this, digitalisation itself must be effective enough to facilitate a complete ecological restructuring of our society and lives to achieve more far-reaching economic transformation and value creation (Transform). The ability to obtain, link, and use data is a basic prerequisite for tapping into the potential of digitisation for sustainability transformation. However, data is not a homogeneous raw material. Data only gains value when we know the context in which it was collected and when we can use it for a specific purpose. The discussion on what structures and prerequisites are necessary for the system-changing use of data has only just begun. This study was conducted to serve as a starting point for this discussion as it describes the opportunities and prerequisites for a data-based sustainability transformation. This study focuses on environmental data, data from plants, machines, infrastructure, and IoT products. Our task will be to increase the use this data for systemic solutions (system innovation) within transformation arenas where different stakeholders are working together to initiate infrastructure, value chain, and business model transformation.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    Datenökosysteme für die Nachhaltigkeitstransformation : eine Studie im Auftrag von Huawei Technologies Deutschland GmbH (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-11
    Description: In den nächsten Jahren müssen die Weichen für Klimaschutz, zur Reduktion des Ressourcenverbrauchs sowie der Erhaltung der Artenvielfalt gestellt werden. In allen zentralen Handlungsbereichen von Wirtschaft und Gesellschaft - den sogenannten Transformationsarenen - steht ein tiefgreifender ökologischer Systemwandel an. Digitalisierung ist eine Erfolgsvoraussetzung für diesen Wandel und wirkt auf verschiedenen Ebenen: digitale Technologien und Anwendungen ermöglichen, gegenwärtige Verfahren, Prozesse und Strukturen zu verbessern (Improve) oder erste Schritte in eine neue Ausrichtung von Geschäftsmodellen oder Rahmenbedingungen zu gehen (Convert). Gleichzeitig muss die Digitalisierung aber auch für einen weitergehenden Umbau von Wirtschaft und Wertschöpfung sowie für die ökologische Neuorientierung von Gesellschaft und Lebensstilen wirksam werden (Transform). Die Fähigkeit zur Gewinnung, Verknüpfung und Nutzung von Daten ist eine Grundvoraussetzung, um die Potenziale der Digitalisierung für die Nachhaltigkeitstransformation zu erschließen. Daten sind dabei jedoch kein homogener Rohstoff - Daten erlangen erst einen Wert, wenn der Kontext, in welchem sie erhoben wurden, bekannt ist und sie für den angestrebten Zweck nutzbar gemacht werden können. Die Diskussion darüber, welche Strukturen und Voraussetzungen für die systemverändernde Nutzung von Daten erforderlich sind, hat erst begonnen. Die vorliegende Studie leistet hierzu einen ersten Beitrag und beschreibt die Möglichkeiten und Voraussetzungen für eine datenbasierte Nachhaltigkeitstransformation. Der Schwerpunkt liegt dabei auf Umweltdaten, Daten von Anlagen, Maschinen, Infrastrukturen oder von Produkten im Internet der Dinge (Internet of Things). Die Aufgabe ist, diese Daten stärker als bisher für systemische Lösungsansätze (Systeminnovationen) in den jeweiligen Transformationsarenen einzusetzen, bei denen unterschiedliche Stakeholder zusammenarbeiten und gemeinsam den Umbau von Infrastrukturen, Wertschöpfungsketten und Geschäftsmodellen einleiten.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Empirical Evidence of Frequency‐Dependent Directivity Effects From Small‐To‐Moderate Normal Fault Earthquakes in Central Italy (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-12-27
    Description: Rupture directivity and its potential frequency dependence is an open issue within the seismological community, especially for small‐to‐moderate events. Here, we provide a statistical overview based on empirical evidence of seismological observations, thanks to the large amount of high‐quality seismic recordings (more than 30,000 waveforms) from Central Italy, which represents an excellent and almost unique natural laboratory of normal faulting earthquakes in the magnitude range between 3.4 and 6.5 within the time frame 2008–2018. In order to detect an anisotropic distribution of ground motion amplitudes due to the rupture directivity, we fit the smoothed Fourier Amplitude Spectra (FAS) cleared of source‐, site‐ and path‐effects. According to our criteria, about 36% of the analyzed events (162 out of 456) are directive and the distribution of rupture direction is aligned with the strikes of the major faults of the Central Apennines. We find that the directivity is a band‐limited phenomenon whose width may extend up to five times the corner frequency. The results of this research provide useful insights to parameterize directivity, to be explicitly implemented in future ground motion modeling and scenario predictions.
    Description: Published
    Description: e2021JB023498
    Description: 5T. Sismologia, geofisica e geologia per l'ingegneria sismica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Deposit‐Derived Block‐and‐Ash Flows: The Hazard Posed by Perched Temporary Tephra Accumulations on Volcanoes; 2018 Fuego Disaster, Guatemala (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-06-17
    Description: The impact of hazardous pyroclastic density currents (PDCs) increases with runout distance, which is strongly influenced by the mass flux. This article shows that the mass flux of a PDC may derive not only from vent discharge during the eruption, but also from partly hot, temporary stores (accumulations) of aerated pyroclastic material perched high on the volcano. The unforeseen PDC at Fuego volcano (Guatemala) on 3 June 2018 happened c.1.5 hr after the eruption climax. It overran the village of San Miguel Los Lotes causing an estimated 400+ fatalities. Analysis of the facies architecture of the deposit combined with video footage shows that a pulsatory block-and-ash flow flowed down the Las Lajas valley and rapidly waxed, the runout briefly increasing to 12.2 km as it filled and then spilled out of river channels, entered a second valley where it devastated the village and became increasingly erosive, prior to waning. Paleomagnetic analysis shows that the PDC contained only 6% very hot (〉590°C) clasts, 39% moderately hot (∼200°C–500°C) clasts, and 51% cool (〈200°C) clasts. This reveals that the block-and-ash flow mostly derived from collapse of loose and partly hot pyroclastic deposits, stored high on the volcano, gradually accumulated during the last 2–3 years. Progressive collapse of unstable deposits supplied the block-and-ash flow, causing a bulk-up process, waxing flow, channel overspill and unexpected runout. The study demonstrates that deposit-derived pyroclastic currents from perched temporary tephra stores pose a particular hazard that is easy to overlook and requires a new, different approach to hazard assessment and monitoring.
    Description: Published
    Description: e2021JB023699
    Description: 1A. Geomagnetismo e Paleomagnetismo
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 32
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    Overview report on definition and concept of the circular economy in a European perspective : CICERONE D1.1 (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-10-24
    Description: On the basis of a literature research, this subtask develops a conceptional framework for a common understanding of CE within the project team and for the following work packages and tasks. After a brief introduction into the objectives and the context of a circular economy, a more elaborated look into the necessity of an explicit understanding of CE, the objectives, the spatial perspective of CE and the specific challenges within the CICERONE context will be done, in order to develop a basis for a common understanding within the project context. Circular economy can and has to be understood as an (eco-)innovation agenda. Therefore, the paper investigates the role policy has to play to support innovation for a CE transition, for creating the framework conditions and why CE has also to be build from the ground up. Finally, the paper looks from two perspectives at emerging trends and business models in a CE to sketch next steps towards the transition in a selection of central sectors. Conclusions are drawn on the basis of the insights gained by the preceding chapters.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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    Report on current state of the art & understanding of the circular economy : CICERONE D1.2 (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-10-24
    Description: The key objective of this deliverable is to gain insights on and assess how CE is being implemented and R&I is being funded at regional level, e.g., via the RIS3 strategy and Structural Funds. As such it sets the scope for the project and provides the background against which programmes and measures can be understood, assessed, developed and recommended in succinct tasks and work packages. The objective of this report is to provide a concise overview of the current R&I priorities, as expressed in running and newly introduced funding and legislative measures with respect to Circular Economy in European countries and regions.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    Fostering circular cities : a study on urban circularity hotspot frameworks for the Western Balkan region (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-10-24
    Description: A main goal of this study - which also functions as deliverable 210078-D07 of the Circular Economy Beacons (CEB) project - is to evaluate currently available frameworks that measure and operationalise Circular Economy (CE), with a particular focus on the urban context. The regional focus lies on the Western Balkan region, which is at the centre of the project. Such "Urban Circularity Hotspot Frameworks" (UCHF) aim at providing decision support for policy makers, companies, citizens etc. regarding the transition to CE within cities. Based on the analysis of different frameworks, suggestions are derived regarding UCHF suitable for the specific characteristics of Western Balkan municipalities, i.e. a Circular Economy Beacons Urban Circularity Hotspot Framework (CEB-UCHF) ready for short-term implementation.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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  • 35
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    Quantifizierung der Treibhausgasminderungspotenziale möglicher klimaschutzpolitischer Maßnahmen in Bayern für das Jahr 2030 : Studie im Auftrag der Fraktion BÜNDNIS 90/ DIE GRÜNEN im Bayerischen Landtag (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-10-24
    Description: Im Auftrag der Fraktion BÜNDNIS 90/DIE GRÜNEN im Bayerischen Landtag haben Forschende des Wuppertal Instituts wissenschaftlich überprüft, wie viele Treibhausgas-Emissionen im Jahr 2030 bestimmte landespolitische Klimaschutz-Maßnahmen potenziell einsparen können. Die vorliegende Studie schätzt dabei sowohl die Effekte der Maßnahmen auf die insgesamt verursachten Treibhausgas-Emissionen (Verursacherprinzip) als auch auf die in Bayern selbst statistisch erfassten Emissionen (Quellenprinzip) ab. Die Maßnahmen adressieren die folgenden fünf Bereiche: 1) Gebäude und Verkehrsmittel im Besitz der öffentlichen Hand. 2) Ausbau der Windenergie und Photovoltaik. 3) Energieeffizienz im Gebäudesektor. 4) Energieeffizienz und Verkehrsverlagerung im Transportsektor. 5) Landwirtschaft und Landnutzung. Zwei Beispiele der untersuchten Maßnahmen sind Verbesserungen der Rahmenbedingungen für den Bau neuer Windenergieanlagen und eine stärkere Nutzung des industriellen Abwärmepotenzials.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 36
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    Ensuring an effective global stocktake with a sectoral perspective (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-10-24
    Description: A sectoral perspective can help the Global Stocktake (GST) to effectively achieve its objective to inform Parties' in enhancing subsequent NDCs and in enhancing international cooperation. Specifically, granular and actionable sectoral lessons, grounded in country-driven assessments, should be identified and elaborated. To be effective, conversations on sectoral transformations need to synthesise key challenges and opportunities identified in the national analyses and link them to international enablers; focus on systemic interdependencies, involve diverse actors, and be thoroughly prepared including by pre-scoping points of convergences and divergence across transformations. We specifically recommend that: the co-facilitators of the Technical Dialogue use their (limited) mandate to facilitate an effective conversationon sectoral transformations e.g. by organising dedicated informal seminars in between formal negotiation sessions; key systemic transformations necessary toachieve net-zero by mid-century should be spelled out and included in the final decision or political declaration of the GST; and the political outcome of the GST should mandate follow-up processes at the regional level and encourage national-level conversations to translate the collective messages from GST into actionable and sector-specific policy recommendations.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: workingpaper , doc-type:workingPaper
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  • 37
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    Energetische Sanierung von Bestandsgebäuden oder Neubau : ökologische Bewertung hinsichtlich Materialbedarf, Primärenergieverbrauch und damit verbundenen Treibhausgas-Emissionen ; Endbericht (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-10-24
    Description: Die Bauindustrie und die Immobilienwirtschaft gehören zu den ressourcenintensivsten Sektoren der heutigen Zeit. Jährlich werden Millionen Tonnen mineralischer Rohstoffe, Metalle, Holz, Kunststoff, Glas und anderen Materialien für die Erstellung und Sanierung von Wohngebäuden genutzt. Auch die Herstellung von Zement ist als ein Hauptbestandteil von Beton mit enormen Treibhausgas-Emissionen verbunden. Der Neubau, die Sanierung und der Abriss von Gebäuden sorgt zudem für große Mengen Bau- und Abbruchabfälle. Für die Immobilienwirtschaft stellt sich daher die Frage, wie sie ihren Gebäudebestand ökologisch optimieren kann. Doch was wiegt ökologisch stärker: der Mehrbedarf an Rohstoffen und die anfallenden Abfallmengen bei Abriss und Neubau oder die ressourcenintensivere Nutzungsphase von sanierten Bestandsgebäuden, wenn deren energetische Qualität niedriger ist als bei Neubauten? Vor diesem Hintergrund hat das Wohnungsunternehmen LEG das Wuppertal Institut beauftragt, anhand von drei exemplarischen LEG-Gebäuden die energetische Gebäudesanierungen im Vergleich zur Alternative eines Abrisses und Neubaus ökologisch zu bewerten. Im Fokus der Untersuchung standen dabei der Primärenergieverbrauch, die damit verbundenen Treibhausgas-Emissionen der Nutzungsphase sowie die gespeicherte Graue Energie der Gebäude und den hiermit verbundenen Treibhausgas-Emissionen. Nun liegen die Studienergebnisse vor: Wird der gesamte Lebenszyklus berücksichtigt, verursacht die energetische Sanierung nur die Hälfte der CO2-Fußabdrücke eines Neubaus. Um das Ziel zu erreichen, müsse der Weg zur Elektrifizierung von Heizsystemen noch beschleunigt und damit die Abhängigkeit von fossilen Energieträgern verringert werden. Zwar gleicht der Neubau das Ungleichgewicht zwischen Angebot und Nachfrage aus und hat damit einen sozialen Wert, eine Alternative zur Sanierung in Beständen ist er aus ökologischer Sicht allerdings nicht.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 38
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    Overcoming information asymmetry in the plastics value chain with digital product passports : how decentralised identifiers and verifiable credentials can enable a circular economy for plastics (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: This paper analyses the potential of digital information technology to enable the reliable provision of product information along the plastics supply chain. The authors investigate the possible contribution of a product passport equipped with decentralised identifiers and verifiable credentials to overcome information deficits and information asymmetry in the circular plastics economy. Through this, high-quality plastics recycling could be enabled on a larger scale than currently possible.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: workingpaper , doc-type:workingPaper
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  • 39
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    Auslegung, Analyse und Bewertung von Direct Air Capture (DAC)-Anlagen zur Nutzung für Power-to-X-Prozesse und zur Erzielung "negativer Emissionen" in Deutschland (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Die direkte Abscheidung von Kohlenstoffdioxid (CO2) aus der Luft, das sogenannte Direct Air Capture (DAC), wird vermehrt als eine der Möglichkeiten zur Reduzierung von Treibhausgasen und damit der Begrenzung der Klimaerwärmung diskutiert. Vorteilhaft gegenüber anderen technischen Ansätzen zur Entnahme von atmosphärischen CO2 (Negativemissionstechnologien) ist die genaue Planbarkeit, die geringen Auswirkungen auf die Umwelt und die Ausgabe von CO2 in Reinform. Das CO2 kann anschließend dauerhaft gespeichert (Direct Air Capture and Sequestration) oder zur Erzeugung von bspw. synthetischen Brennstoffen (Direct Air Carbon Capture and Utilization) in Power-to-X-Routen (PtX) genutzt werden. Ziel dieser Arbeit ist es, im Kontext der deutschen Klimaneutralitätsziele bis 2045 beispielhaft eine Auslegung von DAC-Anlagen in Deutschland zu untersuchen. Dabei werden die unterschiedlichen Ressourcenverbräuche (Energie, Wasser, Fläche) sowie Kosten und mögliche Einsparungen durch eine Abwärmenutzung dargestellt und verglichen. Dabei soll diese Arbeit zur Beantwortung der folgenden Forschungsfragen beitragen: Welche technologischen DAC-Ansätze sind für Deutschland realisierbar? Welche Mengen an CO2 müssen in Deutschland umgesetzt werden, um den Bedarf an Negativemission zu decken? Welcher Ressourcenverbrauch entsteht in Deutschland, wenn die betrachteten Fallstudien umgesetzt werden? Welchen Infrastrukturaufwand hat dies zur Folge? Ist eine Implementierung in den notwendigen Größenordnungen realisierbar, und welche Faktoren wirken hierbei beschränkend? Für eine systematische Analyse wurden die DAC-, die PtX- und die elektrischen und Wärmeenergieerzeugungsanlagen modular für die Jahre 2020, 2030, 2040 und 2045 aufbereitet. Die Bezugsgrößen wurden so gewählt, dass sie dem DAC-Modul entsprechen. In vier Fallstudien wurden mögliche Kombinationsmöglichkeiten und Implementierungspfade bis 2045 zusammengestellt, analysiert und diskutiert. Es zeigt sich, dass ein großskaliger Einsatz von DAC in Deutschland realisierbar ist. Zentrale Herausforderungen ergeben sich allerdings aus dem hohen Flächen- und Energiebedarf. Der Flächenbedarf resultiert dabei vor allem aus den flächenintensiven erneuerbaren Energieerzeugern. Mit Fokus auf ertragreiche Standorte sind Nord- und Süddeutschland, mit Blick auf ihr Wind- bzw. Sonnenpotenzial, als vielversprechend bei der Implementierung der DAC- Technologie einzustufen. Eine Implementierung der DAC-Technologie mit dem Ziel der dauerhaften CO2-Speicherung ist an norddeutschen Küstengebieten im Vergleich zu Süddeutschland vorteilhafter. Die Installation der DAC-Technologie in Kombination mit der PtX-Route wird aufgrund des hohen elektrischen Energiebedarfs in Deutschland als nicht realisierbar eingeschätzt.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: masterthesis , doc-type:masterThesis
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  • 40
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    Die Kreislaufwirtschaft als neues Narrativ für die Textilindustrie : eine Analyse der textilen Wertschöpfungskette mit Blick auf Deutschlands Chancen einer kreislaufwirtschaftlichen Transformation (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Ende März 2022 veröffentlichte die Europäische Kommission ihre neue EU-Strategie für nachhaltige und zirkuläre Textilien. Die ambitionierte Vision: Textilabfälle sollen reduziert, zirkuläre Maßnahmen gefördert und negative Umweltfolgen der Textilindustrie minimiert werden. Doch wie sieht eine Textilwirtschaft, die Textilien im Kreislauf führt, aus und welche politischen Anforderungen ergeben sich daraus für Deutschland? Der vorliegende Zukunftsimpuls des Wuppertal Instituts zeigt, welche Position Deutschland in der Transformation hin zu einer zirkulären Textilindustrie einnehmen könnte.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: workingpaper , doc-type:workingPaper
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  • 41
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    Current approaches to the digital product passport for a circular economy : an overview of projects and initiatives (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: A large number and variety of activities are being undertaken to introduce Digital Product Passports (DPPs). However, only a few DPPs have made it into practice so far, so there is some uncertainty about which impact DPPs will actually have. With this paper, we aim to provide a structured overview of the current development of DPPs. We provide insights of 76 current corporate, policy, and research activities that exist and their objectives. To allow for a structured assessment and discussion of the diverse approaches we defined 13 criteria for a comparable description, categorization and evaluation. We expect that this overview will not only encourage feedback and contributions from the DPP community, as well as valuable discussions with and among experts. It is also intended to help promote and facilitate the adoption of DPPs for the Circular Economy by facilitating collaborations and suggestions for ongoing activities.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    Moving transport to net zero : what it takes to decarbonise the global transport sector (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: What is necessary to reach net zero emissions in the transport sector on a global level? To keep limiting global warming to 1.5° C within reach, the world has to decarbonise by mid-century, with every sector contributing as much as possible as soon as possible. This paper identifies what has to be done in road transport, aviation, and shipping to achieve net zero emission in the transport sector. For this purpose, it first sets the scene by providing an overview of the origins and impacts of the concept of net zero emissions in international climate policy as well as of the current state and future prospects of global transport emissions using currently available scenarios for low-emission and net zero transport. While for staying below 1.5° C, the basic approach to reducing transport emissions remains unchanged from what has been suggested in the past, the set, intensity and pace of actions as to shift fundamentally. Without first drastically reducing traffic volume and shifting transport demand to low-emission modes, reaching net zero transport will not be feasible: the amount of additional electricity required to fully electrify the sector with renewable energy is otherwise just too huge. After portraying key instruments for achieving net zero emissions in land transport, aviation, and shipping, this paper identifies key barriers for net zero transport. Based on this analysis, the authors recommend the following to be able to move transport to net zero: 1. Adapt Decarbonisation Strategies to Different Transport Sub-sectors 2. Prioritise and Significantly Increase Investment in Zero-/low-carbon Infrastructure 3. Massively Invest in the Development and Roll out of Zero-/low-emission Technologies 4. Focus on a Just Transition to Overcome Social and Political Barriers 5. Increase International Support and Cooperation
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    Ansatzpunkte suffizienten Wohnens im Lebensverlauf von Bewohnerinnen und Bewohnern in Deutschland : eine Sekundäranalyse der LebensRäume - Bevölkerungsumfrage des BBSR 2012 (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Das Wohnen in Deutschland wird schon seit einigen Jahren durch zwei bedeutende Entwicklungstendenzen bestimmt: Zum einen sinkt die durchschnittliche Haushaltsgröße, zum anderen vergrößert sich die mittlere Pro-Kopf-Wohnfläche. Infolgedessen steigt die Wohnraumnachfrage deutlich an, was besonders im urbanen Raum zu höheren Mieten und ungleichen Verteilungsprozessen des Wohnungsbestandes führt. Bislang ist dieser zunehmenden Nachfrage nach Wohnraum vielerorts mit einer Ausweitung der Neubautätigkeit begegnet worden, was jedoch mit einem schnelleren Verbrauch wertvoller und begrenzter Bodenressourcen verbunden ist. Ein Konzept, das erst seit Kurzem als mögliche Antwort auf die aktuellen sozialen und ökologischen Herausforderungen des Wohnens diskutiert wird, ist das sogenannte suffiziente Wohnen. Dabei geht es um die grundlegende Frage, wie viel Wohnfläche es braucht, um die jeweiligen Bedürfnisse eines Haushaltes angemessen befriedigen zu können und wie durch eine bessere Nutzung des vorhandenen Baubestandes auf eine Änderung dieser Bedürfnisse reagiert werden kann. Suffiziente Wohnkonzepte zielen somit sowohl auf die Berücksichtigung individueller Wohnraumbedarfe als auch auf die Vermeidung weiterer Flächenversiegelung. Diese Masterarbeit möchte das Potential des suffizienten Wohnens im Kontext der aktuellen gesellschaftlichen, ökologischen und wohnungspolitischen Herausforderungen hervorheben. In diesem Zusammenhang spielt die Betrachtung sich verändernder Wohnraumbedarfe im Lebensverlauf von Personen eine zentrale Rolle, da es an bestimmten Wendepunkten häufig zu einer subjektiven Unter- oder Überversorgung mit Wohnfläche kommt. Mittels einer hierarchisch-agglomerativen Clusteranalyse und der repräsentativen LebensRäume - Bevölkerungsumfrage des BBSR werden insgesamt acht Wohntypen identifiziert, die sich je nach Lebensverlaufsphase und Wohnsituation unterscheiden. Dabei wird neben relevanten Umbrüchen in der Wohnbiographie von Personen auch die herausragende Bedeutung von Wohneigentum für die durchschnittlichen Pro-Kopf-Wohnflächen in den einzelnen Clustern deutlich. In Bezug auf die Förderung des suffizienten Wohnens in Deutschland lassen sich zwei zentrale Analyseergebnisse formulieren. Zum einen eröffnen der Auszug der Kinder, die Verrentung sowie die Verwitwung wichtige Möglichkeitsräume für die Veränderung von Wohnsituationen. Zum anderen gilt es, den Einfluss des Wohneigentums als Chance zu begreifen und durch Veränderungen der Bestandsimmobilie eine suffizientere Art des Wohnens zu ermöglichen.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: masterthesis , doc-type:masterThesis
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    Schools transitioning towards more climate awareness : a multi-level analysis of climate protection projects in the German school system (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: This thesis conceptualizes the school as a socio-technical system, in which change towards sustainable development and a transition towards more climate awareness are necessary. The multi-level perspective (MLP) framework is applied to the German school system and to climate protection projects (CPPs) as examples of niche activities integrating climate protection (CP) in the school. The thesis utilizes the analytical levels of the MLP (landscape, regime, and niche) and the concept of regulative, cognitive, and normative rules and addresses the question: How do actors in CPPs perceive drivers and barriers for transitioning towards more climate awareness in the German school system? The data were collected through expert interviews and analyzed by conducting a qualitative content analysis. The results show that the German school system is characterized by an inherent rigidity, deep-set normative role dynamics, and an unappreciated role of schools in society. They also highlight the importance of public pressure, strategic CP orientation, and hands-on approaches. CPPs can be a driving force for this in individual schools, but, overall, CP needs to be addressed more systematically in the school and more substantial efforts and reforms are necessary. Highly motivated niche actors play an important role and represent key drivers for such developments. This thesis reveals the complex and systemic nature of the challenges the German school system is faced with. It highlights the difficulties of integrating CP and the importance of substantial and transformative political action. The thesis demonstrates the crucial need to recognize the significance of schools and their actors for society and to integrate new methods and approaches into the school. This thesis also contributes to the body of literature on socio-technical systems and sustainability transitions. It offers an operationalization of the MLP and reveals strengths and limits as well as future research outlooks.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: masterthesis , doc-type:masterThesis
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    First Pre‐Miocene Paleomagnetic Data From the Calabrian Block Document a 160° Post‐Late Jurassic CCW Rotation as a Consequence of Left‐Lateral Shear Along Alpine Tethys (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-08-16
    Description: The Calabrian block, along with Alboran, Kabylies, and Peloritani form isolated and enigmatic igneous/metamorphic terranes (AlKaPeCa) stacked over the Meso-Cenozoic sedimentary successions of the Apennines and Maghrebides. They are commonly interpreted as fragments of the Hercynian chain rifted apart from Europe during Jurassic Alpine Tethys spreading, drifted southward during Neogene roll-back of (Neo) Tethyan slab fragments for hundreds of kilometers on top of nappe piles. We report on the paleomagnetism of upper Triassic-lower Miocene sedimentary rocks from the Longobucco succession that is transgressive over the crystalline Sila Massif (NE Calabria). Well-defined magnetization directions carried by hematite were isolated in 10 sites (122 samples) in Jurassic rocks. Nine Toarcian and one Tithonian Ammonitico Rosso sites yielded a dual polarity “A” magnetization component whit a direction over 40° from the geocentric axial dipole (GAD) field direction, that supports a positive fold test. Five sites yielded a “B” normal polarity component NE (〈40°) of the GAD direction characterized by a negative fold test. We interpret the B component as a Miocene magnetic overprint later clockwise rotated by ∼20° during the well-known Pleistocene (1–2 Ma) rotation of Calabria. When corrected for such rotation, the A component defines a ∼160° counterclockwise (CCW) rotation of the Calabrian block with respect to Europe. Of these, ∼90° likely occurred along with Corsica-Sardinia block during its Eocene-Miocene rotation from the Provençal margin. Thus, the Calabrian block underwent an additional Cretaceous-Eocene 70° CCW rotation that we relate to Early-mid Cretaceous 〉500 km left-lateral transcurrent motion between Africa and Europe.
    Description: Published
    Description: e2021TC007156
    Description: 1A. Geomagnetismo e Paleomagnetismo
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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    Ionospheric Turbulence: A Challenge for GPS Loss of Lock Understanding (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-08-16
    Description: Ionospheric irregularities may affect electromagnetic signals propagating through the ionosphere and consequently contribute to the malfunctioning of the Global Navigation Satellite Systems hindering their accuracy and reliability. In this study, we use data recorded on board two of the three satellites of the Swarm constellation (namely, Swarm A and Swarm B) from July 15th, 2014 to December 31st, 2021 to assess the possible dependence of the Global Positioning System (GPS) signals loss of lock on the presence of a specific kind of ionospheric irregularities. To accomplish this task we study the scaling features of the electron density fluctuations through the structure function analysis simultaneously to the occurrence of loss of lock events through measurements recorded by the Langmuir probes and the precise orbit determination antennas on board Swarm A and Swarm B satellites. We find that the plasma density irregularities in a turbulent state characterized by intermittent structures and extremely high values of the Rate Of change of electron Density Index can lead to GPS loss of lock events. This is always true at mid- and high-latitudes, especially inside the auroral oval. In the equatorial belt, this happens in at least 75% of identified GPS loss of lock events that basically coincide with the occurrence of plasma bubbles.
    Description: Published
    Description: e2022SW003129
    Description: 2A. Fisica dell'alta atmosfera
    Description: JCR Journal
    Keywords: Turbulence ; ionosphere ; Loss of Lock events ; 01.02. Ionosphere
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Detecting volcano-related underground mass changes with a quantum gravimeter (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-08-23
    Description: We present the world’s first time series acquired in the summit area of an active volcano with an absolute atom interferometry gravimeter. The device was installed ~2.5 km from the active craters of Mt. Etna volcano and produced a continuous high–quality gravity time series, despite the unfavorable environmental conditions at the installation site and the occurrence of phases of high volcanic tremor during the acquisition interval. Comparison with data from other gravimeters installed elsewhere on Mt. Etna highlights correlated anomalies, demonstrating that the quantum device measured gravity variations driven by bulk mass changes. The latter are reflective of volcanic processes, involving the dynamics of magma and exsolved gas in the upper part of Mt. Etna's plumbing system. Our results confirm the operational possibilities of quantum gravimetry and open new horizons for the application of the gravity method in geophysics.
    Description: NEWTON-g project - H2020, FETOPEN-2016/2017 call (Grant Agreement No 801221)
    Description: Published
    Description: e2022GL097814
    Description: 4V. Processi pre-eruttivi
    Description: JCR Journal
    Keywords: 04.08. Volcanology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Tectonophysics Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science (2022)
    Wiley-AGU
    Details
    Publication Date: 2022-05-05
    Description: This article is composed of two independent opinion pieces about the state of integrated, coordinated, open, and networked (ICON) principles (Goldman et al., 2021, https://doi.org/10.1029/2021EO153180; Goldman et al., 2022, https://doi.org/10.1029/2021ea002099) in Tectonophysics and discussion on the opportunities and challenges of adopting them. Each opinion piece focuses on a different topic: (a) global collaboration, technology transfer and application, reproducibility, and data sharing and infrastructure; and (b) field, experimental, remote sensing, and real-time data research and application. Within tectonophysics science, ICON-FAIR principles are starting to be adopted and implemented, however they have not become frequent and there are still plenty of opportunities for further development. During the last decade, standardization reduced fragmentation, facilitated openly available databases, and enabled different modeling methods to be combined. On the other hand, integration and coordination remained insufficient as exemplified by numerous geophysical interpretation programs running on different platforms, lacking the proper documentation and with diverse output formats. We agree that adapting the principles of ICON-FAIR brings high efforts and risks, but in the end, it has great benefits and potential in the tectonophysics community.
    Description: Published
    Description: e2021EA002144
    Description: 1T. Struttura della Terra
    Description: JCR Journal
    Keywords: integrated, coordinated, open, and networked (ICON) science ; Databases ; Data sharing ; 04.07. Tectonophysics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Toolbox Transisi Berkeadilan untuk kawasan batu bara (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-07-12
    Description: Dengan semakin berkurangnya "anggaran karbon" atau carbon budget di seluruh dunia, berbagai negara sedang mencari solusi untuk mengurangi emisi gas rumah kaca. Karena produksi dan penggunaan batu bara dapat dikatakan sebagai salah satu penghasil emisi karbon yang sangat besar dan memicu perubahan iklim, oleh karena itu dapat diperkirakan bahwa wilayah penghasil batu bara akan sangat terdampak akibat transformasi energi dari sistem energi yang berbasis bahan bakar fosil menjadi energi terbarukan. Tantangan yang muncul tidak hanya di bidang produksi energi, perlindungan lingkungan, tetapi juga dalam aspek ekonomi dan sosial di kawasan kawasan batu bara yang tengah menghadapi transformasi - sering disebut dengan istilah "Transisi Berkeadilan". Para pengambil keputusan di wilayah penghasil batu bara, sangat membutuhkan alat pendukung untuk memulai langkah-langkah untuk mendiversifikasi ekonomi lokal yang disaat bersamaan juga mendukung pekerja dan masyarakat lokal. Transisi Berkeadilan ini membutuhkan perencanaan yang komprehensif, kebijakan baru dan penyesuaian serta keterlibatan semua pemangku kepentingan. Oleh karena itu, Wuppertal Institute merancang "Just Transition Toolbox" untuk memberikan dukungan bagi para praktisi di kawasan penghasil batu bara di seluruh dunia yang menggambarkan tantangan dan peluang dalam transisi berkelanjutan untuk audiens global. Toolbox Transisi Berkeadilan ini terdiri dari informasi tentang pengembangan strategi, rekomendasi untuk struktur tata kelola, mendorong lapangan kerja berkelanjutan, menunjukan pilihan teknologi dan menyoroti rehabilitasi lingkungan dan penggunaan kembali situs dan infrastruktur terkait batubara. Toolbox ini dikembangkan berdasarkan seperangkat alat yang dirancang oleh Wuppertal Institute melalui kerja sama dengan berbagai pemangku kepentingan atas inisiatif Uni Eropa untuk daerah-daerah kawasan Batubara yang berada dalam masa transisi. Toolbox ini juga menampilkan pelajaran yang diambil dari kawasan batu bara mitra SPIPA seperti India, Indonesia, Afrika Selatan, Jepang, Korea Selatan, Kanada, dan Amerika Serikat. Akronim SPIPA adalah kependekan dari "Kemitraan Strategis untuk Implementasi Perjanjian Persetujuan Paris" pada program UE-BMU yang dibiayai bersama oleh GIZ.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: Indonesian
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    Manual para una transición justa en regiones carboníferas (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-07-08
    Description: A medida que el presupuesto mundial de carbono disminuye rápidamente, los países de todo el mundo buscan soluciones para limitar las emisiones de gases de efecto invernadero. Dado que la producción y el uso del carbón son algunos de los procesos más intensivos en emisiones carbono, es previsible que las regiones que producen carbón se vean especialmente afectadas por las consecuencias de una transformación hacia la neutralidad climática. Estas regiones se enfrentan a retos en el ámbito de la producción de energía y la protección del medio ambiente, pero también a retos económicos y sociales, que se engloban en la necesidad de una "transición justa". Los responsables de la toma de decisiones en las regiones dependientes de la producción de carbón necesitan urgentemente herramientas de apoyo que ayuden a poner en marcha medidas para diversificar las economías locales y, al mismo tiempo, apoyar a los trabajadores y las comunidades locales. Wuppertal Institute busca apoyar a las regiones carboníferas de todo el mundo desarrollando una caja de herramientas para la transición justa, que ilustra los retos y las oportunidades de una transición sostenible para un público global. La caja de herramientas incluye recomendaciones para el desarrollo de estrategias y estructuras de gobernanza, líneas guía para la creación de empleo sostenible, el desarrollo de alternativas tecnológicas, la rehabilitación medioambiental y la reutilización de infraestructuras relacionados con el carbón. La caja de herramientas se basa parte del trabajo de Wuppertal Institute dentro de la Iniciativa de la UE para las Regiones Carboníferas en Transición y tiene en cuenta las circunstancias específicas de los países socios de la SPIPA: India, Indonesia, Sudáfrica, Japón, Corea del Sur, Canadá y Estados Unidos. El acrónimo SPIPA es la abreviatura de "Asociaciones Estratégicas para la Aplicación del Acuerdo de París", un programa UE-BMU cofinanciado por la GIZ.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: Spanish
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    Just transition toolbox for coal regions (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-07-04
    Description: As the worldwide remaining carbon budget decreases rapidly, countries across the globe are searching for solutions to limit greenhouse gas emissions. As the production and use of coal is among the most carbon-intensive processes, it is foreseeable that coal regions will be particularly affected by the consequences of a transformation towards a climate-neutral economy and energy system. Challenges arise in the area of energy production, environmental protection, but also for economic and social aspects in the transforming regions - often coined with the term "Just Transition". For the decision makers in coal regions, there is an urgent need for support tools that help to kick off measures to diversify the local economies while at the same time supporting the local workers and communities. The Wuppertal Institute aims to support coal regions worldwide by developing a Just Transition Toolbox, which illustrates the challenges and opportunities of a sustainable transition for a global audience. It comprises information about strategy development, sets recommendations for governance structures, fostering sustainable employment, highlights technology options and sheds light on the environmental rehabilitation and repurposing of coal-related sites and infrastructure. The toolbox builds on the work of the Wuppertal Institute for the EU Initiative for Coal Regions in Transition and takes into account country-specific findings from the SPIPA-partner countries India, Indonesia, South Africa, Japan, South Korea, Canada and the USA. The acronym SPIPA is short for "Strategic Partnerships for the Implementation of the Paris Agreement" an EU-BMU programme co-financed by the GIZ.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    Neue Urbane Produktion : ein Wegweiser für das Bergische Städtedreieck (2022)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-30
    Description: Regionale Produkte sind im Trend. Kreative Manufakturen, offene Werkstätten und moderne Fertigungsmethoden verhelfen dem Handwerk in der Stadt zu einer Renaissance. Was ist daran eigentlich das Neue? Und warum schlummert darin so ein großes Potenzial für einen nachhaltigen Wohlstand und für lebenswerte Quartiere? Knapp drei Jahre beforschte, förderte und vernetzte ein Projektteam aus Utopiastadt, dem Wuppertal Institut und dem transzent die Pioniere einer neuen Produktivität in der Region. Nun ist es an der Zeit, Bilanz zu ziehen - und nach vorne zu schauen, wo am Horizont die Visionen einer lebenswerten und produktiven Stadt von Morgen greifbar werden. Der vorliegende Wegweiser ist die Essenz aus drei Jahren Forschung, Praxis und Dialog. Er weist eine neue Richtung für die Region und ihre gestaltenden Akteure. Ob Wirtschaftsförderung, Stadtverwaltung, Zivilgesellschaft, Gründerszene, Unternehmen oder Wissenschaft: Wir laden dazu ein, den Weg gemeinsam zu beschreiten!
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Bewertung der Vor- und Nachteile von Wasserstoffimporten im Vergleich zur heimischen Erzeugung - Update : Studie für den Landesverband Erneuerbare Energien NRW e.V. (LEE-NRW) (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-04-12
    Description: Deutschlands Klimaschutzstrategie baut auf den Einsatz von grünem Wasserstoff aus erneuerbaren Energien. Doch wo soll der Wasserstoff herkommen, aus heimischer Produktion oder importiert aus dem Ausland? Eine Studie des Wuppertal Instituts und DIW Econ schafft einen Überblick über die aktuelle Datenlage und ermittelt Wertschöpfungs- und Beschäftigungseffekte beider Strategien. Das Resümee: Es trifft nicht zu, dass importierter Wasserstoff allgemein günstiger ist, entscheidend sind je nach Herkunftsland die tatsächlich realisierbaren Strom- und Transportkosten. Wird der grüne Wasserstoff stattdessen im eigenen Land produziert, wird dies zudem eine positive Beschäftigungswirkung und Wertschöpfung entfalten. Mit der Erreichung der Klimaziele 2050 betrüge die zusätzliche Wertschöpfung bei einer stark auf die heimische Erzeugung ausgerichtete Strategie bis zu 30 Milliarden Euro im Jahr 2050 und es könnten bis zu 800.000 Arbeitsplätze geschaffen werden.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    "Pfand auf alles" - eine Lösung für geschlossene Wertstoffkreisläufe in einer Kreislaufwirtschaft? : Studie im Auftrag der Bundestagsfraktion von Bündnis 90/Die Grünen (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Der Begriff "Pfand" umfasst in seinen konkreten Anwendungen ganz unterschiedliche Konzepte, die sich mit unterschiedlichen Zielsetzungen auf verschiedene Produktgruppen beziehen und dabei sehr unterschiedliche Effekte auslösen. Zentrales Ziel dieser Kurzstudie ist es, zu einer etwas differenzierteren Betrachtung von Pfandsystemen beizutragen und auf die Stärken und Schwächen in den verschiedenen Anwendungskontexten hinzuweisen. Mit diesem Ziel werden in Kapitel 2 verschiedene Best-Practice-Beispiele dargestellt, bei denen die Einführung von Pfandsystemen in verschiedenen Formen zur Umsetzung einer Kreislaufwirtschaft beigetragen haben. Kapitel 3 beschreibt die verschiedenen Kriterien, auf deren Basis sich unterschiedliche Pfandsysteme für konkrete Produktgruppen begründen lassen könnten; ein spezifischer Fokus wird hierbei auf Verpackungssysteme gelegt. Im abschließenden Kapitel 4 werden davon ausgehend Handlungsempfehlungen entwickelt, wie das Instrument Pfand in Deutschland in möglichst effizienter Form genutzt werden könnte.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    GLS Bank Carbon Footprint & Handprint : Projektbericht im Auftrag der GLS Gemeinschaftsbank eG (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Die GLS Bank finanziert gezielt nachhaltige Projekte und Unternehmen in den Bereichen erneuerbare Energien, nachhaltige Wirtschaft, Ernährung, Wohnen, Bildung & Kultur, Soziales & Gesundheit. Eine zentrale Herausforderung ist es, die Nachhaltigkeitswirkung der Finanz- und Anlagestrategie robust zu quantifizieren und transparent darzustellen. Die GLS Bank hat sich zum Ziel gesetzt, die hierfür notwendigen Methoden und Daten zur Bewertung der Nachhaltigkeitswirkungen ihres Finanz- und Anlagenportfolios schrittweise weiterzuentwickeln, um eine richtungssichere Portfoliosteuerung und Kundenbetreuung zu unterstützen. Ziel des Projektes ist zunächst, das Emissionsgeschehen der finanzierten Wertschöpfungskette abzubilden (Scope 3), aber auch die eingesparten Emissionen als einen Beitrag zum Klimaschutz zu bewerten (Scope 4). Es werden die Scope 3 Emissionen der GLS Bank in den folgenden Finanz- und Anlagebereichen für das Berichtsjahr 2019 bilanziert: 1. Aktien- und Klimafonds; 2. Kredite; 3. Unternehmensbeteiligung. Scope 4 Emissionen werden in Form vermiedener Emissionen (Carbon Handprint) dabei ausschließlich für Bereiche bilanziert, in denen THG-Reduktionspotentiale richtungssicher abgeschätzt werden können. Im vorliegenden Bericht wird der Untersuchungsrahmen, die vom Wuppertal Institut entwickelte Methodik sowie Lösungsstrategien für die Überbrückung geringer Datenqualität/-verfügbarkeit beschrieben. Die Robustheit der Ergebnisse wird durch Prüfungsmethoden reflektiert und dem Leser somit eine Interpretationsunterstützung gegeben. In einem Ausblick werden Weiterentwicklungsbedarfe und -möglichkeiten skizziert, um schrittweise eine zunehmend robuste und wissenschaftliche fundierte Methodik und Datengrundlage zur Bewertung der Klimawirkung sowie weiterer Nachhaltigkeitswirkungen des Finanz- und Anlageportfolios der GLS Bank in Zusammenarbeit mit relevanten Stakeholdern zu etablieren.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    A meta-analysis of fault slip rates across the central Apennines (2021)
    Wiley-AGU
    Details
    Publication Date: 2022-03-16
    Description: Several methods such as paleoseismic trenching, mapping of offset geomorphic markers, and dating of scarp profiles have been used to determine slip rates of normal faults in the central Apennines. Combining measurements obtained with different methods remains challenging because non-tectonic processes can introduce noise or spurious signals that are elusive to quantify, and these influence slip rate estimates. To this end, we meta-analyzed throw measurements with associated ages collected in the central Apennines with several methods to quantify such erratic fluctuations and method-related variances. We show that throw rates are overdispersed with respect to nominal uncertainties in throw and age; therefore, they are commonly affected by unmodeled noise processes. After comparing throw rate distributions sampling the same faults with different techniques, no clear spatiotemporal patterns appear, but only quasi-random noise. Assuming that field investigators sampled real tectonic features (i.e., fault scarps), we find that such erratic throw rates indicate total uncertainties are two to three times greater than the stated observation uncertainties. In this situation, a simple and robust null hypothesis is appropriate. We propose that most faults should be assumed to have uniform throw rate along their traces, except for possible tapering near unconnected ends. We also propose that models in which throw rates are time-dependent (within the last 25 ka) are not yet justified. Then, relying on the estimated total uncertainties, we determine the most probable long-term fault throw rate for each active fault by combining different throw-rate probability density functions.
    Description: Published
    Description: e2021JB023252
    Description: 2T. Deformazione crostale attiva
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Nutzung von Wasserstoffspeichern im europäischen Stromsystem 2050 : Teilbericht D16 im Rahmen des BMBF-Aufstockungsprojektes: Regenerative Stromversorgung & Speicherbedarf in 2050 plus (RESTORE2050_plus) (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Die vorangegangenen Analysen im RESTORE2050 Projekt, die im Rahmen dieses Berichts weitergeführt werden, haben gezeigt, dass der Einsatz von Wasserstoffspeichern zur Residuallastglättung nur bedingt geeignet ist. Zwar bietet die Technologie ein hohes technisches Potenzial hinsichtlich der Speicherkapazitäten und der installierbaren elektrischen Leistungen. Jedoch führt ein systemdienlicher Einsatz, bei dem positive Residuallastspitzen u. a. durch Anheben geringer Residuallasten gesenkt werden, wie er in den Modellrechnungen des RESTORE2050 Projektes implementiert ist, zu einer Absenkung der Deckungsraten von erneuerbaren Energien (EE) im europäischen Stromsystem. Dies ist dadurch begründet, dass die Umwandlung und Speicherung von EE-Strom als Wasserstoff (H2) im Vergleich zu anderen Speichertechnologien hohe Wandlungsverluste sowohl bei der H2-Erzeugung als auch bei der Rückverstromung aufweisen. Daher wird im Rahmen dieses Aufstockungsprojektes (RESTORE2050_plus) untersucht, welchen Beitrag alternative Einsatzstrategien der H2-Speicher zur Minimierung der negativen Residuallast, also potenzielle erneuerbaren Stromüberschüssen, und gleichzeitig zur Erhöhung der EE- Versorgungsanteile leisten kann.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Ergebnisse und Empfehlungen des BMBF-Forschungsprojektes Regenerative Stromversorgung & Speicherbedarf in 2050 - RESTORE 2050 : Teilbericht D13+D14 (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Das übergeordnete Ziel des Forschungs-Projektes RESTORE 2050 (Regenerative Stromversorgung & Speicherbedarf in 2050; Förderkennzeichen 03SF0439) war es, wissenschaftlich belastbare Handlungsempfehlungen für die Transformation des deutschen Stromsystems im europäischen Kontext zu geben. Dafür wurden auf Basis der zukünftig prognostizierten Entwicklung von Stromangebot und -nachfrage innerhalb des ENTSO-E Netzverbundes für den Zeithorizont des Jahres 2050 sowie mittels örtlich und zeitlich hoch aufgelöster meteorologischer Zeitreihen die Themenkomplexe (1) Nationale Ausbaustrategien für erneuerbare Energien, (2) Übertragungsnetzausbau und (3) Alternativmaßnahmen wie Lastmanagement, (4) Bedeutung des EE-Stromaustauschs mit Drittstaaten und (5) die Rolle von Stromspeichern auf Übertragungsnetzebene analysiert. Die aus den Untersuchungsergebnissen abgeleitenden Handlungsempfehlungen stellen wichtige Beiträge für die weitere Integration von erneuerbaren Energien dar und geben Hinweise für den Aufbau einer leistungsfähigen europäischen Infrastruktur.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Wirtschaftsförderung 4.0 : Abschluss- und Rahmenbericht ; Rahmenbericht des Projektes "Wirtschaftsförderung 4.0: Entwicklung und Umsetzung von Konzepten zur Stärkung kollaborativer Resilienzinitiativen in Kommunen" (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Das Konzept der "Wirtschaftsförderung 4.0" (Wf4.0) zielt darauf ab, die lokalen und regionalen Wirtschaftsstrukturen zu stärken. Wf4.0 initiert neue Wertschöpfung vor Ort, eröffnet lokale Investitionsmöglichkeiten, bindet regionale Kaufkraft, entfalten neue Wirtschaftsideen und stärkt lokale Vielfalt. Sie stärkt die Tauschwirtschaft für Ressourcen, Produkte oder Räume und fördert den Gemeinsinn. Mithin erhöht Wf4.0 die Widerstandsfähigkeit gegenüber globalen Wirtschaftskrisen. Wirtschaftsförderung 4.0 wirkt sich damit positiv aus auf den Stadtwohlstand und erhöht die Attraktivität für eine Stadt der kurzen Wege, der Diversität und des guten Lebens. Zugleich erhöht eine Stabilisierung der regionalen und lokalen Wirtschaft die Widerstandsfähigkeit der lokalen Ebene gegen weltweite Krisen. Die "Wirtschaftsförderung 4.0" ergänzt die klassischen Strategien der etablierten Wirtschaftsförderung. Nach und nach hat sich das Handlungsspektrum um die Bereiche Bestandspflege, Clustermanagement und Kreativwirtschaft erweitert. Zahlreiche Maßnahmen der Wf4.0 sind hier bereits verankert. So etwa die Förderung von Nachhaltigen Unternehmen. In dem Projekt wurde untersucht, inwiefern sich der gegenwärtige Leistungskatalog der Wirtschaftsförderung sinnvoll erweitern lässt.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    The 2004–2005 Mt. Etna Compound Lava Flow Field: A Retrospective Analysis by Combining Remote and Field Methods (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-15
    Description: Mapping lava flows frequently during effusive eruptions provides crucial parameters to better understand their dynamics, in turn improving our ability to model lava flow behavior. New photogrammetric methods have recently been developed, shifting the paradigm of photogrammetry from pure method to a multidisciplinary approach able to reduce the cost of volcanic monitoring and widen the potential spectrum of application. In this work, we demonstrate how multi-view and singleview photogrammetry methods can be used effectively to extract accurate quantitative information from photographs taken during routine surveys over an active lava flow. One intriguing advantage of these methods is that they can re-use images acquired previously to extract new data from past eruptions. In particular, we reconstructed quantitatively the evolution of the lava flow field emplaced during 2004–2005 at Mt. Etna, subdivided in five eruptive phases from the earliest simple lava flows to the final compound lava field about 6 months later. Our results show that, in the first week of eruption, lava field formation was characterized by an increasing lava length that followed a power law growth and by a decreasing front velocity that followed a power law as well. Thereafter, the length increasing became almost constant until the developed lava tube system was able to drain the lava for long distances, with the area inundated by lava that grew linearly in the first 20 days. Finally, we demonstrate the crucial role that the syn-eruptive DEMs acquisition could have to improve our understanding of the emplacement dynamics of complex lava fields.
    Description: Published
    Description: e2020JB020499
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Augmented Reality-Anwendungsmöglichkeiten im Refurbishment in einem Inklusionsumfeld : am Beispiel des Refurbishments von Elektro- und Elektronikaltgeräten ; explorative Kurzstudie "ARETE" (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Diese Kurzstudie beschäftigt sich mit der Frage, ob durch den Einsatz von Augmented Reality Anwendungen die Wiederaufbereitung (genauer das Refurbishment) von Produkten gesteigert werden kann. Gleichzeitig betrachtet sie, ob damit auch die Inklusion- und Re-Integration von Schwerbehinderten und langzeitarbeitslosen Menschen in den ersten Arbeitsmarkt unterstützt wird.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Technische Potenzialanalyse zur Steigerung des Kunststoffrecyclings und des Rezyklateinsatzes : Abschlussbericht (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Mit dem Ziel, das Kunststoffrecycling weiter zu steigern, wurden in diesem Vorhaben die Verfahren und Prozesse der werkstofflichen Verwertung von Kunststoffabfällen in den Blick genommen - von der Sortierung über die Aufbereitung bis hin zu einem erneuten Einsatz in der Produktion. Ausgehend von der Beschreibung des Standes der Technik wurden mögliche, innovative technische Optimierungspotenziale identifiziert und dargestellt, die zur Verbesserung der Rezyklatqualitäten und ihren Einsatzmöglichkeiten in Neuprodukten beitragen können. Für eine Bewertung der Umweltwirkungen der technischen Innovationen im Vergleich zum Stand wurden ökobilanzielle Berechnungen vorgenommen.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Chancen und Risiken im Gebäudesektor für die Umsetzung einer klimaneutralen und ressourceneffizienten zirkulären Wirtschaft : Vorstudie im Rahmen des Verbundvorhabens Circular Economy als Innovationsmotor für eine klimaneutrale und ressourceneffiziente Wirtschaft (CEWI) (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Diese Kurzstudie ist Teil des Verbundvorhabens "Circular Economy als Innovationsmotor für eine klimaneutrale und ressourceneffiziente Wirtschaft (CEWI)" der Stiftung 2°, dem WWF Deutschland und dem Wuppertal Institut und hat zum Ziel, die Potenziale des Gebäudesektors und der dazugehörigen Wertschöpfung im Hinblick auf die Umsetzung von zirkulären Ansätzen zu analysieren und den Beitrag zur Ressourceneinsparung und dem Klimaschutz zu bewerten. Das Ergebnis dieser Kurzstudie leitet sich aus einem intensiven Bewertungsprozess verschiedener Maßnahmen-Cluster ab und besteht aus sechs Handlungsfeldern, die ein Potenzial für den Ausbau von Klimaneutralität und Ressourceneffizienz im Gebäudesektor aufweisen. Diese Handlungsfelder bilden die Grundlage für den weiteren Projektverlauf von CEWI, in dem Industrieakteure in Workshops gemeinsam Pilotprojekte modellieren werden.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Chancen und Risiken im Automobilsektor für die Umsetzung einer klimaneutralen und ressourceneffizienten zirkulären Wirtschaft : Vorstudie im Rahmen des Verbundvorhabens Circular Economy als Innovationsmotor für eine klimaneutrale und ressourceneffiziente Wirtschaft (CEWI) (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Diese Kurzstudie ist Teil des Verbundvorhabens "Circular Economy als Innovationsmotor für eine klimaneutrale und ressourceneffiziente Wirtschaft (CEWI)" der Stiftung 2°, dem WWF Deutschland und dem Wuppertal Institut und hat zum Ziel, die Potenziale des Automobilsektors und der dazugehörigen Wertschöpfung im Hinblick auf die Umsetzung von zirkulären Ansätzen zu analysieren und den Beitrag zur Ressourceneinsparung und dem Klimaschutz zu bewerten. Das Ergebnis dieser Kurzstudie leitet sich aus einem intensiven Bewertungsprozess verschiedener Maßnahmen-Cluster ab und besteht aus sechs Handlungsfeldern, die ein Potenzial für den Ausbau von Klimaneutralität und Ressourceneffizienz im Automobilsektor aufweisen. Diese Handlungsfelder bilden die Grundlage für den weiteren Projektverlauf von CEWI, in dem Akteure aus der Praxis in Workshops gemeinsam Pilotprojekte modellieren werden.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Bioökonomie für die Region Stuttgart : Kurzstudie für die Wirtschaftsförderung Region Stuttgart GmbH (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Die Wirtschaftsförderung Region Stuttgart GmbH (WRS) unterstützt die Transformation der Region Stuttgart in Richtung Nachhaltigkeit und sieht die Bioökonomie als eine wichtige Strategie zu diesem Zweck. Die WRS hat das Wuppertal Institut mit dieser Kurzstudie mit dem Fokus auf die industrielle Bioökonomie beauftragt, um eine Informationsgrundlage für die Spezifikation weiterer Aktivitäten der WRS im Kontext der Bioökonomie zu schaffen. Die Studie gibt einen Überblick über definitorische Ansätze und Diskurslinien der Bioökonomie. Sie fasst Einschätzungen des deutschen Bioökonomierates zu Marktpotenzialen der Bioökonomie in verschiedenen Branchen zusammen, die u.a. für Automobil, Biotechnologie und IKT als gut eingeschätzt werden. Anschließend umreißt die Studie die Innovationsansätze Biomimikry und Biointelligenz. Für den Ansatz Biointelligenz zur biologischen Transformation der industriellen Wertschöpfung werden die in Studien von Dritten identifizierten Marktpotenziale der Biointelligenz zusammengefasst, u.a. in den Bereichen Unterstützungssysteme, Produktionssysteme/-technologien und Baumaterialien. Darüber hinaus stellt die Studie Schnittstellen relevanter Landesstrategien in Baden-Württemberg zu Bioökonomiethemen dar, die synergetisch genutzt werden könnten. Ergänzend gibt die Studie einen Überblick über die Akteurslandschaft in Baden-Württemberg. Der Überblick basiert insbesondere auf dem Bioökonomie Kompetenzatlas wissenschaftlicher Akteure, der von der Landeskoordinierungsstelle an der Universität Hohenheim herausgegeben wird, sowie einer Akteursanalyse aus dem Projekt "Bioökonomie in Baden-Württemberg", das am KIT durch das ITAS durchgeführt wurde und durch die BIOPRO Baden-Württemberg GmbH unterstützt wurde. Auf Basis dieser Informationssammlung entwirft die Studie weiterführende Fragen in Bezug auf mögliche weitere Aktivitäten der WRS im Kontext der Bioökonomie, u.a. die mögliche Nutzung von Innovationsansätzen aus dem Bereich der Living Lab und Reallaborforschung.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Augmented Reality-Anwendungsmöglichkeiten im Refurbishment in einem Inklusionsumfeld : am Beispiel des Refurbishments von Elektro- und Elektronikaltgeräten (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Diese Kurzstudie beschäftigt sich mit der Frage, ob durch den Einsatz von Augmented Reality Anwendungen die Wiederaufbereitung (genauer das Refurbishment) von Produkten gesteigert werden kann. Gleichzeitig betrachtet sie, ob damit auch die Inklusion- und Re-Integration von Schwerbehinderten und langzeitarbeitslosen Menschen in den ersten Arbeitsmarkt unterstützt wird.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Sustainable supply chains : global cooperative regional economies for prosperity and resilience (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-23
    Description: Two thirds of today's world trade is based on global value chains and supply networks. Purely regional supply chains have become less important in recent decades. The effects of these globalised structures are manifold. On the one hand, they promote employment and generate prosperity. On the other hand, they are beset by extreme social, ecological and economic imbalances. The COVID-19 pandemic has demonstrated the fragility of existing supply chain systems. The lockdown continues to disrupt complex supply chains and many problems of existing production and consumption continue to worsen. COVID-19 is one example of the crises that can shake globally networked supply chains in the short term. Other crises, such as climate change, develop more insidiously and are less immediately recognisable. Different as they are, such crises have one thing in common: they highlight the vulnerability of global social and economic structures and illustrate the impact of global trade on the regions and people of the world. This is precisely where global sustainability strategy comes in - it aims to fundamentally reduce differences and inequalities in opportunities and quality of life. The COVID-19 pandemic has forced the entire world into upheaval, creating an opportunity to make sustainability a central political resilience strategy. In the wake of the Corona pandemic, the discussion about resilient communities has flared up. In order to guarantee supply in the face of such crises, these should be more strongly regional and circular in their economic approach and global and sustainable in their perspective. The aim should be sustainable, transparent, non-exploitative supply chains that guarantee the security of supply to cover basic needs and public services despite sudden changes and crises. This discussion paper draws a future scenario of globally cooperative, circular regional economies that fundamentally reduce global inequalities in opportunities and quality of life, while at the same time permanently preserving the natural foundations of life.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    Post‐Seismic Deformation Related to the 2016 Central Italy Seismic Sequence From GPS Displacement Time‐Series (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-14
    Description: The 2016–2017 Central Italy earthquake sequence struck the central Apennines between August 2016 and October 2016 with Mw ∈ [5.9; 6.5], plus four earthquakes occurring in January 2017 with Mw ∈ [5.0; 5.5]. We study Global Positioning System time series including near- and far-field domains. We use a variational Bayesian independent component analysis technique to separate the post-seismic deformation from signals caused by variation of the water content in aquifers at hundreds of meters of depth and of the soil moisture. For each independent component, realistic uncertainties and a plausible physical explanation are provided. We focus on the study of afterslip on the main structures surrounding the mainshock, highlighting the role played by faults that were not activated during the co-seismic phase in accommodating the post-seismic deformation. We report aseismic deformation occurring on the Paganica fault, which hosted the Mw 6.1 2009 L'Aquila earthquake, suggesting that static stress transfer and aseismic slip influence the recurrence time of nearby (∼50 km further south of the mainshocks) segments. A ∼2–3 km thick subhorizontal shear-zone, clearly illuminated by seismicity, which bounds at depth the west-dipping normal faults where the mainshocks nucleated, also shows aseismic slip. Since afterslip alone underestimates the displacement in the far-field domain, we consider the possibility that the shear zone marks the brittle-ductile transition, assuming the viscoelastic relaxation of the lower crust as a mechanism contributing to the post-seismic displacement. Our results suggest that multiple deformation processes are active in the first 2 years after the mainshocks.
    Description: Published
    Description: e2021JB022200
    Description: 2T. Deformazione crostale attiva
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Determining the Effect of Varying Magmatic Volatile Content on Lunar Magma Ascent Dynamics (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-15
    Description: The Moon is not volcanically active at present, therefore, we rely on data from lunar samples, remote sensing, and numerical modeling to understand past lunar volcanism. The role of different volatile species in propelling lunar magma ascent and eruption remains unclear. We adapt a terrestrial magma ascent model for lunar magma ascent, considering different compositions of picritic magmas and various abundances of H 2 , H 2 O, and CO (measured and estimated) for these magmas. We also conduct a sensitivity analysis to investigate the relationship between selected input parameters (pre-eruptive pressure, temperature, conduit radius, and volatile content) and given outputs (exit gas volume fraction, velocity, pressure, and mass eruption rate). We find that, for the model simulations containing H2O and CO, CO was more significant than H2O in driving lunar magma ascent, for the range of volatile contents considered here. For the simulations containing H2 and CO, H2 had a similar or slightly greater control than CO on magma ascent dynamics. Our results showed that initial H2 and CO content has a strong control on exit velocity and pressure, two factors that strongly influence the formation of an eruption plume, pyroclast ejection, and overall deposit morphology. Our results highlight the importance of (a) quantifying and determining the origin of CO, and (b) understanding the abundance of different H-species present within the lunar mantle. Quantifying the role of volatiles in driving lunar volcanism provides an important link between the interior volatile content of the Moon and the formation of volcanic deposits on the lunar surface.
    Description: Published
    Description: e2021JE006939
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    A Lagrangian stochastic model of a volcanic eruption column (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-15
    Description: 13 pages, 4 figures
    Description: We develop a Lagrangian stochastic model (LSM) of a volcanic plume in which the mean flow is provided by an integral plume model of the eruption column and fluctuations in the vertical velocity are modelled by a suitably constructed stochastic differential equation. The LSM is applied to the two eruptions considered by Costa et al. (2016) for the volcanic-plume intercomparison study. Vertical profiles of the mass concentration computed from the LSM are compared with equivalent results from a large-eddy simulation (LES) for the case of no ambient wind. The LSM captures the order of magnitude of the LES mass concentrations and some aspects of their profiles. In contrast with a standard integral plume model, i.e. without fluctuations, the mass concentration computed from the LSM decays (to zero) towards the top of the plume which is consistent with the LES plumes. In the lower part of the plume, we show that the presence of ash leads to a peak in the mass concentration at the level at which there is a transition from a negatively buoyant jet to a positively buoyant plume. The model can also account for the ambient wind and moisture.
    Description: Published
    Description: e2020JD033699
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
    Keywords: Physics - Geophysics; Physics - Geophysics; Physics - Atmospheric and Oceanic Physics; Physics - Fluid Dynamics ; 04.08. Volcanology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Thermal Weakening Friction During Seismic Slip: Experiments and Models With Heat Sources and Sinks (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-16
    Description: Experiments that systematically explore rock friction under crustal earthquake conditions reveal that faults undergo abrupt dynamic weakening. Processes related to heating and weakening of fault surfaces have been invoked to explain pronounced velocity weakening. Both contact asperity temperature Ta and background temperature T of the slip zone evolve significantly during high-velocity slip due to heat sources (frictional work), heat sinks (e.g., latent heat of decomposition processes), and diffusion. Using carefully calibrated High-Velocity Rotary Friction experiments, we test the compatibility of thermal weakening models: (1) a model of friction based only on T in an extremely simplified, Arrhenius-like thermal dependence; (2) a flash heating model which accounts for the evolution of both V and T; (3) same but including heat sinks in the thermal balance; and (4) same but including the thermal dependence of diffusivity and heat capacity. All models reflect the experimental results but model (1) results in unrealistically low temperatures and model (2) reproduces the restrengthening phase only by modifying the parameters for each experimental condition. The presence of dissipative heat sinks in stage (3) significantly affects T and reflects on the friction, allowing a better joint fit of the initial weakening and final strength recovery across a range of experiments. Temperature is significantly altered by thermal dependence of (4). However, similar results can be obtained by (3) and (4) by adjusting the energy sinks. To compute temperature in this type of problem, we compare the efficiency of three different numerical approximations (finite difference, wavenumber summation, and discrete integral).
    Description: The authors acknowledge the support by ERC CoG No. 6145705 NOFEAR.
    Description: Published
    Description: e2020JB020652
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Frictional Melting in Hydrothermal Fluid-Rich Faults: Field and Experimental Evidence From the Bolfín Fault Zone (Chile) (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-16
    Description: Tectonic pseudotachylytes are thought to be unique to certain water-deficient seismogenic environments and their presence is considered to be rare in the geological record. Here, we present field and experimental evidence that frictional melting can occur in hydrothermal fluid-rich faults hosted in the continental crust. Pseudotachylytes were found in the 〉40 km-long Bolfín Fault Zone of the Atacama Fault System, within two ca. 1 m-thick (ultra)cataclastic strands hosted in a damage-zone made of chlorite-epidote-rich hydrothermally altered tonalite. This alteration state indicates that hydrothermal fluids were active during the fault development. Pseudotachylytes, characterized by presenting amygdales, cut and are cut by chlorite-, epidote- and calcite-bearing veins. In turn, crosscutting relationship with the hydrothermal veins indicates pseudotachylytes were formed during this period of fluid activity. Rotary shear experiments conducted on bare surfaces of hydrothermally altered rocks at seismic slip velocities (3 m s-1) resulted in the production of vesiculated pseudotachylytes both at dry and water-pressurized conditions, with melt lubrication as the primary mechanism for fault dynamic weakening. The presented evidence challenges the common hypothesis that pseudotachylytes are limited to fluid-deficient environments, and gives insights into the ancient seismic activity of the system. Both field observations and experimental evidence, indicate that pseudotachylytes may easily be produced in hydrothermal environments, and could be a common co-seismic fault product. Consequently, melt lubrication could be considered one of the most efficient seismic dynamic weakening mechanisms in crystalline basement rocks of the continental crust.
    Description: The authors would like to acknowledge the support of ERC CoG No 614705 NOFEAR. R. Gomila has received funding from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska- Curie grant agreement No 896346 – FRICTION.
    Description: Published
    Description: e2021GC009743
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: JCR Journal
    Keywords: Atacama fault system; fluid‐rich faults; frictional melting; tectonic pseudotachylytes; vesiculation
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Fault Friction During Simulated Seismic Slip Pulses (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-16
    Description: Theoretical studies predict that during earthquake rupture faults slide at non-constant slip velocity, however it is not clear which source time functions are compatible with the high velocity rheology of earthquake faults. Here we present results from high velocity friction experiments with nonconstant velocity history, employing a well-known seismic source solution compatible with earthquake source kinematics. The evolution of friction in experiments shows a strong dependence on the applied slip history, and parameters relevant to the energetics of faulting scale with the impulsiveness of the applied slip function. When comparing constitutive models of strength against our experimental results we demonstrate that the evolution of fault strength is directly controlled by the temperature evolution on and off the fault. Flash heating predicts weakening behavior at short timescales, but at larger timescales strength is better predicted by a viscous creep rheology. We use a steady-state slip pulse to test the compatibility of our strength measurements at imposed slip rate history with the stress predicted from elastodynamic equilibrium. Whilst some compatibility is observed, the strength evolution indicates that slip acceleration and deceleration might be more rapid than that imposed in our experiments.
    Description: This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement no 804685/“RockDEaF”) and under the European Community's Seventh Framework Programme (grant agreement n 614705/“NOFEAR”)
    Description: Published
    Description: e2021JB022149
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Volcano‐Tectonic Setting of the Pisciarelli Fumarole Field, Campi Flegrei Caldera, Southern Italy: Insights Into Fluid Circulation Patterns and Hazard Scenarios (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-16
    Description: Phreatic and hydrothermal eruptions are small energetic explosive events that generally have few to no precursors and represent a considerable hazard in tourist and urban areas. At the Campi Flegrei caldera, these events have occurred at the Solfatara volcano and have likely occurred at the nearby Pisciarelli site, where the most powerful hydrothermal phenomena are located. Here, increased hydrothermal activity has caused relevant morphological changes that has led local authorities to deny access to the site. Stratigraphic, structural, and geophysical investigations have allowed us to reconstruct the volcano-tectonic setting of the area. In particular, we have recognized a fault system and related damage zones that act as the preferred pathway for hydrothermal fluids in the caldera. At the surface, these faults control the migration and/or accumulation of deep-seated gases into the subsoil and the formation of fumaroles and mud pools. We have recognized two main fault systems with different ages that show variable displacements. The electrical anomalies identified by electrical resistivity tomography further highlight the main fault pattern and show the interplay between volcano-tectonic structures and fluid circulation. Host rocks and fault zones may be involved in self-sealing processes and/or rock failure phenomena capable of modifying the fluid pathways and establishing favorable conditions, leading to overpressure and/or rapid decompression of fluids and triggering an explosive event. Furthermore, stratigraphic mapping shows fossil mud pool sediments embedded in an old debris flow located above the modern hydrothermal system. This implies that they were at a higher elevation when they formed. The morphotectonic evolution and intense rock alterations in the area could promote further landslide episodes, producing debris-flow deposits that can cover the active area and possibly trigger hydrothermal/ phreatic events.
    Description: Published
    Description: e2020TC006227
    Description: 2V. Struttura e sistema di alimentazione dei vulcani
    Description: JCR Journal
    Keywords: fault system ; hydrothermal fluids ; geoelectrical image ; volcanic hazard ; 04.08. Volcanology ; 04.02. Exploration geophysics ; 04.04. Geology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Controls on Spatial and Temporal Patterns of Slope Deformation in an Alpine Valley (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-22
    Description: A comprehensive surface displacement monitoring system installed in the recently deglaciated bedrock slopes of the Aletsch Valley shows systematic reversible motions at the annual scale. We explore potential drivers for this deformation signal and demonstrate that the main driver is pore pressure changes of groundwater in fractured granitic mountain slopes. The spatial pattern of these reversible annual deformations shows similar magnitudes and orientations for adjacent monitoring points, leading to the hypothesis that the annually reversible deformation is caused by slope-scale groundwater elevation changes and rock mass properties. Conversely, we show that the ground reaction to infiltration from snowmelt and summer rainstorms can be highly heterogeneous at local scale, and that brittle-ductile fault zones are key features for the groundwater pressure-related rock mass deformations. We also observe irreversible long-term trends (over the 6.5 years data set) of deformation in the Aletsch valley composed of a larger uplift than observed at our reference GNSS station in the Rhone valley, and horizontal displacements of the slopes towards the valley. These observations can be attributed respectively to the elastic bedrock rebound in response to current glacier mass downwasting of the Great Aletsch Glacier and gravitational slope deformations enabled by cyclic groundwater pressure-related rock mass fatigue in the fractured rock slopes.
    Description: Published
    Description: e2021JF006353
    Description: 7A. Geofisica per il monitoraggio ambientale
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    Tephrochronology and Provenance of an Early Pleistocene (Calabrian) Tephra From IODP Expedition 374 Site U1524, Ross Sea (Antarctica) (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-14
    Description: We present a full characterization of a 20 cm-thick tephra layer found intercalated in the marine sediments recovered at Site U1524 during International Ocean Discovery Program (IODP) Expedition 374, in the Ross Sea, Antarctica. Tephra bedforms, mineral paragenesis, and major- and trace element composition on individual glass shards were investigated and the tephra age was constrained by 40Ar-39Ar on sanidine crystals. The 40Ar-39Ar data indicate that sanidine grains are variably contaminated by excess Ar, with the best age estimate of 1.282 ± 0.012 Ma, based on both single-grain total fusion analyses and step-heating experiments on multi-grain aliquots. The tephra is characterized by a very homogeneous rhyolitic composition and a peculiar mineral assemblage, dominated by sanidine, quartz, and minor aenigmatite and arfvedsonite-riebeckite amphiboles. The tephra from Site U1524 compositionally matches with a ca. 1.3 Ma, rhyolitic pumice fall deposit on the rim of the Chang Peak volcano summit caldera, in the Marie Byrd Land, located ca. 1,300 km from Site U1524. This contribution offers important volcanological data on the eruptive history of Chang Peak volcano and adds a new tephrochronologic marker for the dating, correlation, and synchronization of marine and continental early Pleistocene records of West Antarctica.
    Description: Published
    Description: e2021GC009739
    Description: 1V. Storia eruttiva
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 77
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    Reply to Comments by Lei et al. on the Paper “Poststorm Thermospheric NO Overcooling?” by A.V. Mikhailov and L. Perrone (2020) (2021)
    Wiley-AGU
    In:  Lei, J., Wang, W., Burns, A. G., Zhang, S.-R., & Dang, T. (2021). Comments on “poststorm thermospheric NO overcooling?” by Mikhailov and Perrone (2020). Journal of Geophysical Research: Space Physics, 126, e2020JA027992. https://doi.org/10.1029/2020JA027992
    Details
    Publication Date: 2021-12-24
    Description: Recently, our paper “Poststorm Thermospheric NO Overcooling?” has been published in JGR. Lei with colleagues (2012) who have proposed the “NO overcooling” concept have written Comments on this paper. Below is given our reply. Everywhere MP20 means the reference to the paper by Mikhailov and Perrone (2020). In the beginning to avoid misunderstanding, it is necessary to stress that in MP20 we did not touch on the well-documented process of the thermosphere NO cooling (e.g., Gordiets et al., 1982; Maeda et al., 1989; Mlynczak et al., 2018; Prölss, 2004, 2011; Roble, 1995; Weimer et al., 2011) which mainly takes place in the lower thermosphere. We only explained a decrease of neutral gas density at F2-layer heights during the recovery storm phase. The effect manifests seasonal dependence which is not explained by the “NO overcooling” mechanism
    Description: Published
    Description: e2020JA028096
    Description: 2A. Fisica dell'alta atmosfera
    Description: JCR Journal
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  • 78
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    Sensitivity of Tsunami Scenarios to Complex Fault Geometry and Heterogeneous Slip Distribution: Case‐Studies for SW Iberia and NW Morocco (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-23
    Description: The SW Iberian margin is one of the most seismogenic and tsunamigenic areas in W-Europe, where large historical and instrumental destructive events occurred. To evaluate the sensitivity of the tsunami impact on the coast of SW Iberia and NW Morocco to the fault geometry and slip distribution for local earthquakes, we carried out a set of tsunami simulations considering some of the main known active crustal faults in the region: the Gorringe Bank (GBF), Marquês de Pombal (MPF), Horseshoe (HF), North Coral Patch (NCPF) and South Coral Patch (SCPF) thrust faults, and the Lineament South strike-slip fault. We started by considering for all of them relatively simple planar faults featuring with uniform slip distribution; we then used a more complex 3D fault geometry for the faults constrained with a large 2D multichannel seismic dataset (MPF, HF, NCPF, and SCPF); and finally, we used various heterogeneous slip distributions for the HF. Our results show that using more complex 3D fault geometries and slip distributions, the peak wave height at the coastline can double compared to simpler tsunami source scenarios from planar fault geometries. Existing tsunami hazard models in the region use homogeneous slip distributions on planar faults as initial conditions for tsunami simulations and therefore underestimate tsunami hazard. Complex 3D fault geometries and non-uniform slip distribution should be considered in future tsunami hazard updates. The tsunami simulations also support the finding that submarine canyons attenuate the wave height reaching the coastline, while submarine ridges and shallow shelves have the opposite effect.
    Description: Published
    Description: e2021JB022127
    Description: 2T. Deformazione crostale attiva
    Description: 6T. Studi di pericolosità sismica e da maremoto
    Description: 2TR. Ricostruzione e modellazione della struttura crostale
    Description: 2IT. Laboratori analitici e sperimentali
    Description: JCR Journal
    Keywords: tsunami ; earthquake ; complex fault geometry ; heterogeneous slip distribution ; tsunami numerical modeling ; seismic and tsunami hazard ; 04.04. Geology ; 04.06. Seismology ; 05.08. Risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 79
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    Separation of Poroelastic and Elastic Processes of an Aquifer From Tectonic Phenomena Using Geodetic, Seismic, and Meteorological Data in the Pollino Region, Italy (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-14
    Description: Velocity variations obtained from ambient seismic noise are sensitive to many factors. We aimed to disentangle these processes in a 10-year-long recording of seismic noise from a single station in the Pollino region, in southern Italy. This region is characterized by aquifers and by a relatively short period of high seismic activity that included slow slip events and a urn:x-wiley:15252027:media:ggge22677:ggge22677-math-0001 earthquake that occurred on October 25, 2012. We apply two models that estimate the water level inside an aquifer, which show a good correlation with the measured urn:x-wiley:15252027:media:ggge22677:ggge22677-math-0002, showing that the velocity variations are inversely proportional to the pore pressure inside the aquifer. Our interpretation is further confirmed by geodetic measurements that show that in a direction parallel to the strike angle of the fault rupture, the expansion-contraction displacement of the zone follows the same patterns observed in the models and in the velocity variations, as a result of the pressure generated by the water on its interior. Going one step further, we analyze the nature of the small discrepancies between the measured and modeled velocity variations. These correlate well with the rainfall and with the vertical geodetic measures, which indicates an elastic response of the zone to the loading generated by the rainwater. Comparisons between these variables allow us to clearly identify the period of the seismic activity in the zone, which is represented by the characteristic drop in the seismic velocity in the period from the beginning of 2012 to mid-2013.
    Description: Published
    Description: e2021GC009742
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 80
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    Interseismic Strain Accumulation Near Lisbon (Portugal) From Space Geodesy (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-23
    Description: Abstract The Lisbon Metropolitan Area, Portugal, has been affected by several destructive earthquakes nucleating both along the offshore Africa-Eurasia plate boundary and on onshore inherited intraplate faults. Using a dense GNSS dataset coupled with PSInSAR analysis, we provide new evidence of sinistral simple shear driven by a NNE-SSW first-order tectonic lineament. PSInSAR vertical velocities corroborate qualitatively the GNSS strain-rate field, showing uplift/subsidence where the GNSS data indicate contraction/extension. We propose the presence of a small block to the W of Lisbon moving independently toward the SW with a relative velocity of 0.96 ± 0.20 mm/yr, whose boundaries are part of a complex and as yet poorly constrained strike-slip fault system, possibly rooting at depth into a simpler basement fault. Comparison between geodetic and seismic moment-rates indicates a high seismic coupling. We show that the contribution of intraplate faults to the seismic hazard in the LMA is more important than currently assumed.
    Description: FCT - Fundação para a Ciência e a Tecnologia, Lisbon. Grant Number: EXCL/GEO-FIQ/0411/2012 Agencia Española de Investigacion. Grant Number: RTI2018-093874-B-100 AGEO - Platform for Atlantic Geohazard Risk Management. Grant Number: EAPA_884/2018
    Description: Published
    Description: e2021GL096862
    Description: 2T. Deformazione crostale attiva
    Description: JCR Journal
    Keywords: Deformation ; Intraplate ; PISinSAR ; GNSS ; Portugal ; 04. Solid Earth ; 04.04. Geology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 81
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    A Model for Buoyant Tephra Plumes Coupled to Lava Fountains With an Application to the 29th of August 2011 Paroxysmal Eruption at Mount Etna, Italy (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-22
    Description: Explosive basaltic eruptions pose significant threats to local communities, regional infrastructures and international airspace. They produce tephra plumes that are often associated with a lava fountain, complicating their dynamics. Consequently, source parameters cannot be easily constrained using traditional formulations. Particularly, mass flow rates (MFRs) derived from height observations frequently differ from field deposit-derived MFRs. Here, we investigate this discrepancy using a novel integral plume model that explicitly accounts for a lava fountain, which is represented as a hot, coarse-grained inner plume co-flowing with a finer-grained outer plume. The new model shows that a plume associated with a lava fountain has higher variability in rise height than a standard plume for the same initial MFR depending on initial conditions. The initial grain-size distribution and the relative size of the lava fountain compared to the surrounding plume are primary controls on the final plume height as they determine the strength of coupling between the two plumes. We apply the new model to the August 29, 2011 paroxysmal eruption of Mount Etna, Italy. The modeled MFR profile indicates that the field-derived MFR does not correspond to that at the vent, but rather the MFR just above the lava fountain top. High fallout from the lava fountain results in much of the erupted solid material not reaching the top of the plume. This material deposits to form the proximal cone rather than dispersing in the atmosphere. With our novel model, discrepancies between the two types of observation-derived MFR can be investigated and understood.
    Description: Published
    Description: e2020JB021360
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
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  • 82
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    Tsunami Source of the 2021 Mw 8.1 Raoul Island Earthquake From DART and Tide‐Gauge Data Inversion (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-23
    Description: The tsunami source of the 2021 MW 8.1 Raoul Island earthquake in the Kermadec subduction zone was estimated by inverting the tsunami signals recorded by Deep-ocean Assessment and Reporting of Tsunamis (DART) bottom pressure sensors and coastal tide-gauges. The main asperity aftershock distribution and rapid back-projection analysis. Three earthquakes of M ∼8 or larger which also produced moderate tsunamis happened in the 20th century in the same portion of the subduction zone. This is the first great tsunamigenic event captured by the new New Zealand DART network in the South West Pacific, which proved valuable to estimate a robust image of the tsunami source. We also show a first proof of concept of the capability of this network to reduce the uncertainty associated with tsunami forecasting and to increase the lead time available for evacuation for future alerts.
    Description: Published
    Description: e2021GL094449
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: 6T. Studi di pericolosità sismica e da maremoto
    Description: 8T. Sismologia in tempo reale e Early Warning Sismico e da Tsunami
    Description: JCR Journal
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  • 83
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    Resilient, nachhaltig und zukunftsfähig : Leitlinien für die Stadtentwicklung von morgen (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-09
    Description: Städte und Kommunen mussten in den vergangenen Jahren einiges aushalten: eine weltweite Corona-Pandemie, Feuerkatastrophen wie in den USA sowie Hochwasser-Katastrophen wie in Deutschland. Das sind auch Folgen des menschen-gemachten Klimawandels, auf die Städte sich in Zukunft besser vorbereiten müssen. Denn gerade die Hochwasser-Katastrophe im Juli 2021 hat gezeigt, wie wenig Kommunen auf solche Ereignisse eingerichtet sind. Dieses Impulspapier zeigt, wie Städte resilienter, nachhaltiger und zukunftsfähiger werden können.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 84
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    Folgen der Corona-Krise und Klimaschutz : langfristige Zukunftsgestaltung im Blick behalten: wirtschaftliche Hilfen geschickt lenken und Synergiepotenziale für dringend notwendige Zukunftsinvestitionen ausschöpfen (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Autowerke stellen ihre Produktion ein, die Börse stürzt ab, überall sieht man leere Straßen und Cafés und plötzlich ist Homeoffice für einen Großteil der arbeitenden Bevölkerung in Deutschland die Empfehlung oder gar eine Vorgabe. Die Corona-Pandemie bestimmt unseren derzeitigen Alltag und trifft Deutschland, Europa und die Welt zu einer Zeit, in der es ohnehin eine Vielzahl an gewaltigen Herausforderungen zu lösen gilt. Wirtschaftliche Hilfen sind während und im Nachgang einer solchen Krise unerlässlich, primär gilt aber die Konzentration auf die Verhinderung der ungebremsten Ausbreitung der Pandemie und auf die Begrenzung der gesundheitlichen Folgen. Zur Überwindung der langfristigen wirtschaftlichen Folgen derart disruptiver Entwicklungen sind Konjunkturprogramme und strukturelle Hilfen ein probates Mittel. Sie dürfen aber nicht nach dem "Gießkannenprinzip" verteilt werden, finanzielle Unterstützung muss zukunftsgerichtet für dringend notwendige Investitionen erfolgen. Ziel muss sein, damit erforderliche nachhaltige Transformationsprozesse innerhalb unserer Wirtschaft und Gesellschaft wie den Klimaschutz voranzutreiben. Die Vorbereitungen dazu müssten jetzt schon getroffen werden, sagen Manfred Fischedick und Uwe Schneidewind. Welche Kriterien und Maßnahmen es dafür braucht, zeigt ihr vorliegendes Diskussionspapier.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 85
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    Die Rolle von Elektroautos in der Mobilität von morgen : ambitionierte Flottenemissionsnormen und flankierende Politikinstrumente helfen, deutsche Klimaschutzziele zu erreichen (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Im vergangenen Jahr waren die Zuwachszahlen im Bereich der Elektromobilität in Deutschland höher als jemals zuvor. Das enorme Wachstum ist vor allem der EU-Verordnung zur Flottenemissionsnorm zu verdanken. Die Elektromobilität hat damit einen wichtigen Schritt gemacht und gezeigt, dass sie das Potenzial hat, den Verbrennungsmotor bald zu verdrängen. Doch allein ein sehr hoher Marktanteil an Elektroautos genügt nicht, um die mittelfristigen deutschen Klimaschutzziele zu erreichen. Dies ist eine der zentralen Aussagen der Autoren des vorliegenden Impulspapiers. Sie empfehlen, dass die Europäische Union Herstellern weiterhin ambitionierte Zielvorgaben für emissionsarme Pkw machen sollte, damit schon im Jahr 2030 annähernd alle neu zugelassenen Pkw elektrisch angetrieben werden. Autos mit Hybridantrieb sind auf diesem Weg maximal eine wichtige Übergangstechnologie. Zentrale Voraussetzung ist zudem, dass die derzeitigen Ladevorgänge erleichtert werden, damit der Umstieg auf Fahrzeuge mit alternativem Antriebskonzept deutlich attraktiver wird.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 86
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    "Näher" - "Öffentlicher" - "Agiler" : Eckpfeiler einer resilienten "Post-Corona-Stadt" (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Welche Perspektiven haben zukunftsfähige und krisenfeste Städte nach der Corona-Pandemie? Antworten darauf skizzieren die Autorinnen und Autoren in dem vorliegenden Diskussionspapier. Ihre zentrale These: Städte der Zukunft müssen und werden "näher", "öffentlicher" und "agiler" sein. Dies erläutern sie anhand dieser drei Dimensionen und konkretisieren es anhand zahlreicher Beispiele.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 87
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    Transformation zur Nachhaltigkeit : warum wir eine Literacy für nachhaltigen Konsum brauchen (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Das Fortschreiten des Klimawandels und die Schädigung der Ökosysteme machen deutlich, dass die seit Jahrzehnten international geforderte nachhaltige Entwicklung zu den wichtigsten Herausforderungen gehören. Um die von den Vereinten Nationen in der Agenda 2030 festgeschriebenen Nachhaltigkeitsziele, den sogenannten Sustainable Development Goals (SDGs), zu erreichen, sind alle relevanten Akteurinnen und Akteure - die Politik, die Wirtschaft sowie jede und jeder Einzelne - gefragt. Eine nachhaltige Entwicklung, die zugleich Umweltschonung, stabile wirtschaftliche und gesellschaftliche Entwicklung sowie soziale Gerechtigkeit berücksichtigt, beruht damit auf der Kompetenz oder auch der "Literacy" der Einzelnen, für sich und im Kollektiv nachhaltiges Handeln auszuüben und im gegenseitigen Miteinander fördern zu können. Doch welche Fähigkeiten sind notwendig, um nachhaltig Handeln zu können? Welche Fähigkeiten brauchen insbesondere Konsumentinnen und Konsumenten, um ihre Produktions- und Konsummuster nachhaltiger (mit-)gestalten zu können? Antworten darauf liefert die "Literacy für nachhaltigen Konsum", die in dem vorliegenden Diskussionspapier entwickelt und vorgestellt wird.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
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  • 88
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    Konjunkturprogramm unter der Klimaschutzlupe : viele gute Impulse, aber Nachbesserungen für nachhaltige Wirkung erforderlich?! Eine erste Bewertung des Konjunkturprogramms der Bundesregierung unter besonderer Berücksichtigung des Klimaschutzes (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Die Wirtschaftsleistung von Deutschland ist durch die Corona-Pandemie stark beeinträchtigt. Um die Wirtschaft zu beleben, einigten sich die Regierungsparteien am 3. Juni 2020 in ihrem Koalitionsausschuss auf ein "Konjunktur- und Krisenbewältigungspaket" sowie ein "Zukunftspaket" in Höhe von insgesamt 130 Milliarden Euro. Für 2020 und 2021 sind fast 60 Maßnahmen vorgesehen, die von steuerlichen Vergünstigungen bei der Mehrwertsteuer bis hin zu konkreten Investitionen in Zukunftstechnologien reichen. Mit Blick auf den Klimaschutz beinhaltet das Maßnahmenpaket der Großen Koalition zwar gute Ansätze und viele wichtige Impulse, die allerdings zu verpuffen drohen, wenn sie nicht durch eine konsequente und nachhaltig ausgerichtete Klimapolitik flankiert werden. Zudem fehlen für den Klimaschutz wichtige Bereiche, wie Investitionen in die Kreislaufwirtschaft. Außerdem werden Maßnahmen zur Steigerung der Energieeffizienz nur unzureichend berücksichtigt. Gerade in diesen Bereichen hätten sich konjunkturbelebende Effekte und Klimaschutz in idealer Form ergänzen können, kritisiert das Wuppertal Institut. Dieses Diskussionspapier reagiert auf die vorliegenden Vorschläge und fasst zusammen, welche Maßnahmen im Rahmen der jetzt anstehenden Umsetzungsphase nachgebessert werden sollten und wo Ergänzungen notwendig sind.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
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  • 89
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    Der Digitale Produktpass als Politik-Konzept : Kurzstudie im Rahmen der Umweltpolitischen Digitalagenda des Bundesministeriums für Umwelt, Naturschutz und nukleare Sicherheit (BMU) (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Durch den "European Green Deal" und den "Circular Economy Action Plan" der Europäischen Union (EU) hat die EU-Produktpolitik 2019 und 2020 neue Impulse erhalten. In beiden Strategiepapieren der Europäischen Kommission wird ein elektronischer bzw. digitaler Produktpass als wesentliches Instrument für eine klimaschonende und ressourceneffiziente Wirtschaft genannt. Dieser soll unter anderem Informationen über Herkunft, Zusammensetzung, Reparatur- und Demontagemöglichkeiten eines Produktes sowie über die Handhabung am Ende seiner Lebensdauer liefern. Auch auf nationaler Ebene wird das Thema "digitaler Produktpass" diskutiert und insbesondere in der Umweltpolitischen Digitalagenda des Bundesumweltministeriums als zentrale Maßnahme genannt. Auch wenn das Thema derzeit stärker in den Mittelpunkt rückt, ist ein breit anwendbarer digitaler Produktpass in der Praxis bislang nicht etabliert. Erste Teilansätze bestehen, die allerdings bislang oftmals nicht durch verpflichtende Standarddatensätze oder zentrale Datenbanken institutionalisiert sind. Entsprechend sind auf politischer Ebene auch noch keine konkreten und umfassenden Konzepte vorhanden, wie ein solcher umfassender Produktpass in Zukunft ausgestaltet und implementiert werden soll. An diesem Punkt setzt diese Kurzstudie an. Sie greift hierbei auch Erfahrungen aus bestehenden Projekten und Initiativen auf, bei denen bereits Erkenntnisse hinsichtlich der (Teil-)Umsetzung von unterschiedlichen Konzepten rund um das Thema Produktpass gewonnen werden konnten. Diese Kurzstudie hat entsprechend das Ziel, den aktuellen Diskussionsstand zum Thema "digitaler Produktpass" kompakt darzustellen und Handlungsoptionen für eine mögliche Umsetzung zu skizzieren. Dabei hat sie nicht den Anspruch und die Möglichkeit ein umfassendes Konzept zu erarbeiten, sondern soll erste Ansätze und Optionen vermitteln, um weitere Diskussionen und Forschungsansätze anzuregen. Insbesondere soll die Kurzstudie Impulse für anschließende Initiativen auf nationaler und europäischer Ebene liefern.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Transformative Innovationen : die Suche nach den wichtigsten Hebeln der Großen Transformation (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Der hier vorliegende Zukunftsimpuls soll den Grundgedanken der Transformativen Innovationen und ihre Notwendigkeit beschreiben sowie erste Kandidaten für solche Transformativen Innovationen aus diversen Arbeitsbereichen des Wuppertal Instituts vorstellen. Er dient vor allem als Einladung, gemeinsam mit dem Wuppertal Institut über solche Innovationen zu diskutieren, die irgendwo zwischen den großen Utopien und kleinen Nischenaktivitäten liegen. Denn es braucht nicht immer den ganz großen Wurf, um Veränderungen in Gang zu setzen.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: workingpaper , doc-type:workingPaper
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  • 91
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    Wege in eine ökologische Machine Economy : wir brauchen eine "Grüne Governance der Machine Economy", um das Zusammenspiel von Internet of Things, Künstlicher Intelligenz und Distributed Ledger Technology ökologisch zu gestalten (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Im Zeitalter der Machine Economy ist der maschinelle Dialog allgegenwärtig - das bietet neue Chancen für Nachhaltigkeit, erhöht gleichzeitig aber durch die zugrundeliegenden Technologien auch den Druck auf unsere Umwelt. Internet of Things (IoT), Künstliche Intelligenz (KI) und Distributed Ledger Technology (DLT) sind das technologische Fundament der Machine Economy. Damit verbunden sind Infrastrukturen, Datenströme und Anwendungen, die hohe Energie- sowie Ressourcenaufwände erzeugen. Der derzeitige politische Diskurs sowie die Nachhaltigkeitsforschung fokussieren sich auf Umweltwirkungen durch digitale Infrastrukturen. Daten, Applikationen sowie die Rolle von Akteuren als Treiber der Umweltwirkung werden zu wenig beleuchtet. In diesem Papier sprechen sich die Autorinnen und Autoren für eine "Grüne Governance der Machine Economy" aus. Adressiert werden Annahmen zu systemübergreifenden Treibern von Umweltbelastungen und ihrer Wirkung. Ziel ist es, ein Gesamtsystem nachhaltiger Entscheidungen und ein ökologisches Zusammenspiel aller beteiligten Technologien in der Wertschöpfung zu ermöglichen. Zukünftige Forschung soll die hier vorgestellten Hypothesen weiter ausarbeiten und konkrete Handlungsoptionen für eine Stakeholder übergreifende Roadmap erarbeiten.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 92
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    Klimaneutralität in Unternehmen : zehn Empfehlungen für die Umsetzung (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Immer mehr Unternehmen verkünden, klimaneutral sein zu wollen und zahlreiche Firmen bieten bereits klimaneutrale Produkte oder Dienstleistungen an: Von der klimaneutralen Paketzustellung bis zur Flugreise. Doch was bedeuten die Neutralitätsziele der Unternehmen genau? Ist das gesetzte Ziel ambitioniert? Und welche Rolle spielt Offsetting, also der Ankauf von Klimaschutzzertifikaten und deren Anrechnung auf das eigene Klimaschutzziel? Die hinter den verkündeten Zielen stehenden Ansätze sind häufig nur schwer nachvollziehbar. Vor diesem Hintergrund gibt der vorliegende Zukunftsimpuls zehn Empfehlungen für die Festlegung und Umsetzung von Neutralitätszielen. Die Autorinnen und Autoren sprechen sich dabei unter anderem für die Nutzung einer robusten Datenbasis als Grundlage für Neutralitätsziele aus, betonen die Bedeutung einer transparenten Kommunikation und zeigen auf, welche Rolle Offsetting spielen sollte. So sollten angekaufte Klimaschutz-Zertifikate einen möglichst begrenzten Beitrag zur Zielerfüllung leisen und ausschließlich zum Ausgleich von Emissionen genutzt werden, die nicht reduziert oder vermieden werden können. Insgesamt sollten Neutralitätsziele nicht zum alleinigen Kriterium für ambitionierten Klimaschutz von Unternehmen gemacht werden, sie stellen vielmehr ein Baustein einer weitaus umfassenderen unternehmerischen Klimaschutzstrategie dar.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: workingpaper , doc-type:workingPaper
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  • 93
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    Blockchains nachhaltig gestalten : Vorschlag von nachhaltigkeitsorientierten Entscheidungskriterien und eines Verfahrenskonzepts für die Umsetzung staatlich geförderter oder initiierter Projekte im Bereich Blockchain ; Kurzstudie im Rahmen des Vorhabens "Umwelt und Digitalisierung" des Bundesministeriums für Umwelt, Naturschutz und nukleare Sicherheit (BMU) (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Mit der Blockchain - und allgemein mit Distributed-Ledger-Technologien (DLT) - werden große Erwartungen verknüpft, die Prozesse der digitalen Welt des 21. Jahrhunderts neu zu organisieren, effizienter zu gestalten und bislang ungekannte Möglichkeiten für Transaktionen zwischen Beteiligten in Wirtschaft, Gesellschaft und Verwaltung zu ermöglichen. Diese Chancen müssen genutzt werden. Gleichzeitig ist mit der Blockchain-Technologie wie mit allen anderen digitalen Lösungen die Herausforderung verbunden, die Technologien, Anwendungen und zugrundeliegenden Infrastrukturen nachhaltig zu gestalten und an Energieeffizienz, Klimaschutz und Ressourcenschonung auszurichten. Handlungsbedarf besteht auch bei Blockchain-Anwendungen. Der Energieverbrauch des derzeit größten Blockchain-Netzwerks Bitcoin wird auf bis über 130 TWh/Jahr abgeschätzt, womit eine Größenordnung in Höhe des gesamten Jahresstrombedarfs von Ländern wie Argentinien erreicht würde. Blockchain-Anwendungen sind somit schon heute umweltpolitisch relevante Einflussgrößen und die zu erwartende Wachstumsdynamik erhöht den Handlungsdruck. Es ist das Ziel dieser Kurzstudie, geeignete Nachhaltigkeitskriterien zur Bewertung der Energieverbräuche und Umweltwirkungen von Blockchain-Anwendungen zu identifizieren sowie ein erstes Konzept für deren Implementierung bei der Umsetzung und Vergabe staatlich geförderter oder initiierter Projekte vorzuschlagen.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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  • 94
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    Zukunftsfähige Ernährungssysteme und Konsummuster gestalten : aktuelle Erkenntnisse aus der Forschung zu nachhaltiger Ernährung am Wuppertal Institut (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Ernährung ist einer der wichtigen Bereiche für die große Transformation. Doch wie kann eine Umstellung auf ein nachhaltiges Ernährungssystem gelingen? Der vorliegende Zukunftsimpuls setzt sich mit dieser Frage auseinander - basierend auf über zehn Jahren Forschung zu nachhaltiger Ernährung am Wuppertal Institut. Einen Schwerpunkt setzt das Papier auf die Außer-Haus-Gastronomie, denn bereits kleine Umstellungen - etwa in der Zutatenauswahl - haben hier große Wirkung. Mit geeigneten Rahmenbedingungen kann die Außer-Haus-Gastronomie den Konsumierenden als leicht zugänglicher Erlebnisort für nachhaltigere Ernährung dienen und gleichzeitig Landwirtinnen und Landwirten ein zuverlässiger Abnehmer für biodiversitätsschonende und klimafreundliche Lebensmittel sein. Doch für eine Transformation des Ernährungssystems sind auch andere Akteure gefragt: Der Zukunftsimpuls adressiert Politik, (Land-)Wirtschaft, Wissenschaft und jeden und jede Einzelne - denn die Transformation des Ernährungssystems ist eine gesamtgesellschaftliche Aufgabe.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    CO2-neutrale Gebäude bis spätestens 2045 : ein Diskussionsbeitrag für eine ambitionierte und sozialverträgliche Politikstrategie (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Das vorliegende Papier zeigt, welche Weichen die Politik stellen muss, um den Gebäudebestand bis 2045 klimaneutral zu machen. Im Fokus stehen höhere Effizienzanforderungen für Bestands- und Neubauten, ein schnellerer Ausstieg aus Gas- und Ölheizungen, gleichzeitig aber auch höhere Anreize und bessere Unterstützung für Gebäudebesitzende sowie warmmietenneutrale Sanierungen, um Mietende vor einer Überlastung zu schützen. Dabei müssen bestehende Gebäude so renoviert werden, dass sie ähnlich wie Neubauten kaum noch Energie verbrauchen. Gleichzeitig müssen Heizenergie und Stromversorgung komplett auf erneuerbare Energien umgestellt werden. Zudem muss durch intelligentere Nutzungskonzepte der Anstieg der Gebäudeflächen gebremst werden. Die kommende Legislaturperiode ist somit entscheidend, damit Klimaneutralität im Gebäudesektor bis spätestens 2045 erreicht werden kann. Dieser Zukunftsimpuls schlägt daher ein 14 Maßnahmen umfassendes und konsistentes Politikpaket vor. Neben den oben genannten Maßnahmen des Förderns und Forderns gehören dazu insbesondere klare Vorgaben für eine bessere energetische Sanierung und ein deutliches Ziel für den Ausstieg aus fossilen Gas- und Ölheizungen, die allen Beteiligten Sicherheit geben. Individuelle Sanierungsfahrpläne für alle heute noch nicht effizienten Gebäude bis spätestens 2028 und kommunale Wärmepläne helfen den Gebäudebesitzenden bei der technischen Entwicklung ihrer Gebäude und der Investitionsplanung. Häufig sind es die nicht-monetären Hemmnisse, die maßgeblich für die geringe Sanierungsrate sind. One-Stop-Shops verringern die Hemmschwelle Maßnahmen umzusetzen. Darüber hinaus wirkt Quartiersmanagement unterstützend und hilft Kräfte zu bündeln.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Exnovationsprozesse als sozial-ökologische Transformation? : Eine vergleichende Analyse der Argumente von Gewerkschaften und Umweltverbänden zum Kohleausstieg in Deutschland (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Eine erfolgreiche Energiewende setzt nicht nur Innovationen voraus, sondern erfordert auch eine aktive Exnovation der fossilen Energieerzeugung. Die vorliegende Masterarbeit zielt deshalb darauf ab, Herausforderungen und Ansatzpunkte für eine Verständigung zwischen Gewerkschaften und Umweltverbänden zur der Zukunft Kohleenergie zu untersuchen. Leitend sind zwei Fragen: Erstens und empirisch: Welche Argumente vertreten Umweltverbände und Gewerkschaften hinsichtlich eines Kohleausstiegs? Zweitens und verbunden mit der gewählten theoretischen Perspektive der Sozialen Ökologie: Welche Bezogenheiten und Trennungen werden zwischen den jeweiligen Verständnissen von Natur, Gesellschaft und Ökonomie in den Argumenten der Akteure sichtbar? Dafür wurde im theoretischen Teil der Arbeit eine sozial-ökologische Perspektive auf die energetische Kohlenutzung und das sogenannte Jobs versus Environment Dilemma erarbeitet. Im empirischen Teil werden mittels einer qualitativen Inhaltsanalyse über 100 Veröffentlichungen verschiedener Gewerkschaften und Umweltverbände aus dem Zeitraum von Ende 2014 (erster politischer Vorstoß zur Reduzierung der Kohleverstromung) bis Anfang 2019 (Ende der Kommission "Wachstum, Strukturwandel und Beschäftigung") ausgewertet. Als Ergebnis legt die Arbeit die Argumente der Akteure vergleichend dar, zeigt auf, wie sich diese im Verlauf des Untersuchungszeitraums verändern und welche Gemeinsamkeiten und Unterschiede, Annäherungen und Distanzierungen zwischen den einzelnen Akteuren und Akteursgruppen bestehen. Darauf aufbauend wird der Umgang der Akteure mit dem Jobs versus Environment Dilemma aus der Perspektive der Sozialen Ökologie diskutiert und verglichen. Die Erkenntnisse der Forschungsarbeit legen nahe, dass der gewerkschaftliche Ansatz von Just Transition bzw. "gerechtem" Strukturwandel mit Klima- und Umweltgerechtigkeitskonzepten verknüpft werden muss, um einen umfassenden inter- und intragenerationellen Gerechtigkeitsanspruch zu erfüllen. Damit der Kohleausstieg und weitere Exnovationsprozesse als sozial-ökologische Transformation gestaltet werden können, ist es notwendig, sowohl die aktuelle ökonomische Abhängigkeit von Arbeitenden in betroffenen Branchen zu verstehen als auch den Klimawandel nicht nur als ökologische, sondern auch als soziale und ökonomische Frage anzuerkennen.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: masterthesis , doc-type:masterThesis
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    Der politische und wirtschaftliche Diskurs des Kohleausstiegs in Deutschland und die Rolle von Unternehmensstruktur und -strategie hierbei : eine Discourse Network Analysis (2021)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Angesichts des fortschreitenden Klimawandels ist eine Abkehr von der Nutzung fossiler Brennstoffe unausweichlich. Dies spiegelt sich nicht zuletzt auch in der politischen Entscheidung zum Ausstieg aus der Kohleverstromung in Deutschland wider, welche neben ökologischen Auswirkungen auch soziale und wirtschaftliche Effekte auf die Gesellschaft im Rahmen des Strukturwandels hat. Begleitet wird dieser Wandel von einer politischen und wirtschaftlichen Debatte, welche bisher in der Literatur noch nicht systematisch analysiert wurde. Folglich ist das erste Ziel der vorliegenden Masterarbeit die Analyse des politischen und wirtschaftlichen Diskurses relevanter Akteure zum deutschen Kohleausstieg. Die Analyse bezieht sich auf zwei ausgewählte Braunkohlereviere: das Rheinische und Lausitzer Revier. Das zweite Ziel der Masterthesis ist es zwei wirtschaftlich vermutlich stark vom Kohleausstieg betroffene Akteure der Region zu analysieren: Die Energieversorger RWE (Rheinisches Revier) sowie LEAG (Lausitzer Revier). Hierfür wurde untersucht, welche potenziellen Auswirkungen die Unternehmensstruktur und -strategie der Energieversorger der Reviere auf den Diskurs und folglich den Strukturwandel haben. Mittels einer Literaturrecherche wurde zunächst ein Überblick über die Entwicklung und Gründe des Kohleausstiegs in Deutschland sowie dessen Auswirkungen auf den Strukturwandel gegeben. Zudem wurden Unternehmensprofile zu RWE und LEAG mit einem Fokus auf Unternehmensstruktur sowie -strategie erstellt. Es folgte eine Analyse des politischen und wirtschaftlichen Diskurses mittels der Discourse Network Analysis, welcher als ein mixed-method Ansatz die Kombination einer qualitative Inhaltsanalyse mit einer quantitativen Netzwerkanalyse ermöglicht. Hiermit konnte zum einen analysiert werden, welche Themen Bestandteil der jeweiligen regionalen Diskurse sind und zum anderen welche inhaltlichen Positionen die Energieversorger im Diskurs einnehmen. Zudem konnte ausgewertet werden, mit welchen Akteuren die Energieversorger ähnliche sowie konkurrierende Haltungen gegenüber Diskursinhalten aufweisen. Anschließend wurden die Ergebnisse anhand der Erkenntnisse aus der Literaturrecherche zu regionalen soziökonomischen Gegebenheiten der Reviere sowie der jeweiligen Unternehmensstruktur und -strategie in Kontext gesetzt und bewertet. Ein zentrales Ergebnis dieser Arbeit ist, dass der Diskurs im Rheinisches Revier grundsätzlich optimistischer gegenüber dem Kohleausstieg sowie Strukturwandel geführt wird als im Lausitzer Revier. Ein weiteres zentrales Ergebnis ist, dass RWE im rheinischen Diskurs sehr aktiv ist, im Mittelpunkt der Diskurskoalitionen steht und eine positive Haltung gegenüber den für den Kohleausstieg relevanten Themen einnimmt. Auffällig ist hierbei die besonders hohe diskursive Schnittmenge zwischen RWE und den Grünen NRW. LEAG hingegen befindet sich im Lausitzer Diskurs in einer Braunkohle befürwortenden Koalition und verhält sich allgemein weniger proaktiv zu Themen, die den regionalen Strukturwandel fördern könnten; dem Kohleausstieg steht LEAG generell negativer gegenüber. Der kausale Zusammenhang zwischen der Unternehmensstruktur und -strategie sowie den Auswirkungen auf den jeweiligen regionalen Diskurs konnte mit der vorliegenden Methode nicht vollständig geklärt werden. Allerdings konnte mittels der Discourse Network Analysis die Rolle von RWE und LEAG im Kontext der jeweiligen Diskurse zum Kohleausstieg in Deutschland erstmals systematisch analysiert werden und schlussendlich zu einem besseren Verständnis der politischen Auseinandersetzung rund um den Kohleausstieg auf regionaler Ebene beitragen.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: masterthesis , doc-type:masterThesis
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    Final quantification report : D2.7 ; calculating and operationalising the multiple benefits of energy efficiency in Europe - COMBI (2020)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Any energy efficiency impact evaluation can be done from different analytical perspectives, e.g. the investor/end-user perspective, program administrator perspective or the societal perspective. COMBI applies the "societal perspective", as this is most relevant for policy-making. COMBI draws on a reference scenario until the year 2030 including existing (partially already ambitious) policies. By modelling 21 sets of "energy efficiency improvement" (EEI) actions, a second efficiency scenario was modelled amounting to additional energy savings of around 8% p.a. in 2030, that is comparable to the EUCO+33 to EUCO+35 scenario. This D2.7 quantification report summarises the quantification approaches applied in the COMBI project and main project findings. It therefore draws on other COMBI reports that contain this information in greater detail in order to summarise quantifications. The report is structured in three main sections: 1. The COMBI approach and methods, explaining key methodological approaches both for individual impact quantifications and for the aggregation of impacts 2. Quantification results, giving an overview on main figures of quantified indicators and 3. Insights from cross-impact analysis, which gives a comparison between monetised impacts and presents their use for Cost-Benefit calculations in the COMBI online tool.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    A sectoral perspective on climate clubs (2020)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: Much of the current literature on climate clubs sees mitigation costs creating free rider incentives as the main problem of climate policy. Climate clubs are supposed to solve this problem by creating additional incentives for mitigation. Looking more in detail, one sees that the situation differs from sector to sector. Some industry sectors indeed have substantial cost and competitiveness issues. In others such as electricity and transport, there are costs at micro level but balance for economy and society as a whole is rather positive. International climate policy in general and clubs in particular should therefore be tailored to sectoral specifics.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    Multiple impacts of energy efficiency in policy-making and evaluation : D8.2 ; policy report on COMBI results (2020)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: The COMBI project aimed at quantifying the multiple non-energy benefits of energy efficiency in the EU-28 area and incorporate those multiple impacts into decision-support frameworks for policy-making. Therefore, all multiple impacts of energy efficiency are analysed from an overall societal view in the project. The COMBI policy recommendations resulting from the evaluation outcomes are presented in this report. COMBI draws on a reference scenario until the year 2030 including existing policies. By modelling 21 sets of "energy efficiency improvement" (EEI) actions, a second efficiency scenario was modelled amounting to additional energy savings of around 8% p.a. in 2030, and that is comparable to the EUCO+33 to EUCO+35 scenario. All figures quantified by COMBI relate to additional values, i.e. additional impacts resulting from additional EEI actions beyond the reference scenario as a consequence of additional policies. The project quantified in total 31 individual impact indicators with appropriate state-of-the-art models.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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