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  • 1
    Publication Date: 2024-06-18
    Description: Der Bereich des Meßtischblattes 6311 Lauterecken im Saar-Nahe-Gebiet (SW-Deutschland) wurde anhand einer geologischen, ingenieurgeologischen, hydrogeologischen und morphologischen Untersuchung einer Stabilitätsanalyse der Hänge und Böschungen unterzogen, die durch die Verwertung klimatologischer Daten vervollständigt wurde. Das Ergebnis liegt in einer Stabilitätskarte sowie in einer Analyse der gesammelten Daten vor. Soweit die Untersuchung des Modellgebietes von ca. 130 km21 Größe (etwa 5% der Fläche des Saar-Nahe-Gebietes) eine Antwort zuläßt, sind Hänge und Böschungen im sedimentären Rotliegenden des Saar-Nahe-Gebietes bereits ab 7° Hangneigung potentiell rutschgefährdet. Das rutschgefährdete Areal umfaßt etwa 10% der untersuchten Fläche. Ca. 2,6% wurden von Massenbewegungen betroffen. Kriechen und Gleiten sind die häufigsten Arten der Massenbewegungen. Die beteiligten stratigraphischen Einheiten sind neben den Deckschichten die Quirnbacher, Jeckenbacher und Lautereckener Schichten des Unteren Rotliegenden. Künstliche Böschungs-, An- und Einschnitte in den für das Unterrotliegende charakteristischen Wechsellagerungen von Ton-, Schluff- und Sandsteinen, stellen ein permanentes Stabilitätsproblem dar.
    Description: Abstract: This report deals with the analysis of stability of slopes which occur on the map of Lauterecken, Saar-Nahe-area, SW-Germany. A geological, engineering geological, hydrogeological and morphological study was made, additionally, climatological data were taken into account; the results of it are analyzed and plotted in a stability map. Conclusions: Taking the regarded territory of approximately 130 km2 (about 5% of the area of the Saar-Nahe-area), it can be stated that slopes in the Saar-Nahe-area are potential landslide areas, if the inclination of the slopes is 7° or more. Within an area of 10% landslides are probable to take place. Within 2,6% mass movements happened or are going on. Creep and sliding are the most abundant forms of mass movements. Slope instability occours preferentially in weathered rocks, Quirnbach beds, Jeckenbach beds and Lauterecken beds of the Lower Permian. Steep roadcuts occurring in alternating sandstone and siltstone beds are very likely to cause stability problems.
    Description: research
    Keywords: ddc:550 ; Rutschungen ; Saar-Nahe-Becken ; TK 6311 ; Rotliegend
    Language: German
    Type: doc-type:article , publishedVersion
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  • 2
    Publication Date: 2024-06-18
    Description: Trotz der am 2. August 1518 erlassenen Bergordnung kam es in den Folgejahren immer wieder zu Auseinandersetzungen zwischen den Bergleuten und den Bergbeamten. Hintergrund waren neben der wachsenden Korruption auch Betrug, Misswirtschaft und Machtmissbrauch der Bergbeamten, dem durch den rasant wachsenden Bergbau Tür und Tor geöffnet war. Mutmaßlich inspiriert durch die Bauernkriege kam es am 20. Mai 1525 zu einem Aufstand der Bergleuten in Joachimsthal. Nach der raschen Beilegung der Auseinandersetzung wurde zu der weiterhin gültigen Bergordnung vom 2. August 1518 eine Ergänzung mit 35 Artikeln erlassen.
    Description: source
    Keywords: Graf Stefan Schlick zu Passaun ; Alexander Burggraf von Leisnig ; Rudolf II. von Bünau ; Apel IV. Vitzthum ; Urban Osan ; Anton Römhelt ; Hans Hausmann ; Joachimsthal/Jáchymov ; Freiberg ; Annaberg ; Falkenau/Sokolow
    Language: German
    Type: doc-type:book , updatedVersion
    Format: 14
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  • 3
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    Kraatz, Berlin
    In:  SUB Göttingen | KART B 140:3162, KART H 140:Kreuz
    Publication Date: 2024-06-18
    Description: Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften), erstellt durch das GDZ (Göttinger Digitalisierungszentrum), Karte aus dem Bestand der SUB Göttingen. Koordinaten Vorlage: Nullmeridian Ferro E 033 40 - 033 50 / N 052 54 - 052 48.
    Description: map
    Description: DFG, SUB Göttingen
    Keywords: ddc:554.3 ; ddc:912 ; Geologische Karte
    Language: German
    Type: doc-type:carthographicMaterial
    Format: 78
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  • 4
    Publication Date: 2024-06-18
    Description: Die biostratigraphische Aussagekraft organischwandiger Dinoflagella- tenzysten in Rupel-Sedimenten (Unter-Oligozän) des Mainzer Beckens wird anhand von Material aus fünf Kernbohrungen aus verschiedenen Ablagerungsräumen untersucht. Die Abfolge vom oberen Foraminiferenmergel bis in den unteren Schleichsand lässt sich durch das Aussetzen von Wetzeliella gochtii, Rhombodinium draco, Phtanoperidinium amomum, P. comatum, W. symmetrica und Enneadocysta pectiniformis in vier Abschnitte gliedern. Ein Vergleich mit Dinoflagellatenzysten-Zonierungen für den nordwesteuropäischen Raum ergibt die größten Übereinstimmungen mit der Zonierung von Köthe (1990). Dies weist auf eine enge paläozeanographische Verbindung zwischen dem Mainzer Becken und dem nordwestdeutschen Tertiärbecken zur Zeit des Rupels hin.
    Description: Abstract: The biostratigraphic significance of organic-walled dinoflagellate cysts from Rupelian (Lower Oligocene) sediments of the Mainz Basin (Southwest Germany) is investigated. The study material is derived from five boreholes drilled in different depo- sitional environments. The investigated succession can be subdivided into four intervals based on the last appearance data of Wetzeliella gochtii, Rhombodinium draco, Phtanope- ridinium amomum, P. comatum, W. symmetrica, and Enneadocysta pectiniformis. A comparison of dinoflagellate cyst ranges in the Mainz Basin with zonations from the Northwest European Tertiary Basin yields highest agreement with the zonation of Köthe (1990) which has been established for northern Germany. This indicates a close palae- oceanographic connection between the Mainz Basin and the Northwest European Tertiary Basin during Rupelian times.
    Description: research
    Keywords: ddc:560.47 ; Mainzer Becken ; Biostratigraphie ; Dinoflagellaten ; Oligozän
    Language: German
    Type: doc-type:article , publishedVersion
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  • 5
    Publication Date: 2024-06-18
    Description: In verschiedenen Hanglagen der Ortsgemeinde Essenheim in Rheinhessen (Rheinland-Pfalz) ist der Untergrund rutschgefährdet oder es sind fossile Rutschungen vorhanden. In einer dieser Hanglagen wurde die Erweiterung des Baugebietes „Domherrngärten" geplant. In der Folge dessen war zu klären, unter welchen Randbedingungen die Bebauung realisiert werden kann. Hierzu wurden in mehreren Kampagnen der geologische Untergrund mit Kernbohrungen untersucht und Inklinometermessstellen zur Beobachtung von Hangbewegungen eingerichtet. Die Untersuchungsergebnisse wurden im Rahmen einer Bachelorarbeit zur Durchführung von Standsicherheitsberechnungen genutzt. Auf der Basis aller Untersuchungsergebnisse werden Vorsorgemaßnahmen für die Bebauung in einem rutschgefährdetem Hang aufgezeigt.
    Description: Abstract: Various slopes in the village Essenheim in Rhinehessen/ Rhineland-Pala- tinate are prone to landslides. The planed extension of the building area „Domherrngärten II" is part of such an area. In succession it had to be discussed under which circumstances construction is possible. To analyze the geological features core drillings with rock sampling were executed as well as inclinometers (measurements to detect motion of the slope). The taken data was used in a Bachelor thesis to evaluate the slope stability. On the base of all results references for building on instable slopes are given.
    Description: research
    Keywords: ddc:624.151 ; Mainzer Becken ; Rutschungen ; Ingenieurgeologie ; TK 6014
    Language: German
    Type: doc-type:article , publishedVersion
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  • 6
    Publication Date: 2024-06-18
    Description: Der Mehrwegverband Deutschland e. V. ist gemeinsam mit dem Wuppertal Institut vom Umweltbundesamt beauftragt worden, die Grundlage für eine gemeinsame Wirkungsmessung der Mehrweg-Rückgabe-Piloten in Deutschland zu legen. Ziel war es, mit Initiator*innen und Beteiligten aus Pilotprojekten deren Ansätze zur Wirkungsmessung zu teilen, zu spiegeln, weiterzuentwickeln - und auf Praxistauglichkeit zu testen. Diese Handreichung gibt einen Überblick über die Projekte, definiert die Gestaltungsdimensionen, beschäftigt sich mit der Wirkungsmessung, zeigt die Ergebnisse auf und gibt erste Empfehlungen. Basis der Erarbeitung war eine Workshop-Reihe der Pilotprojekte in München/Haar, Mainz-Wiesbaden, Hamburg/Westfield, Berlin/Friedrichshain-Kreuzberg und München/Glockenbachviertel.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: workingpaper , doc-type:workingPaper
    Format: application/pdf
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  • 7
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    Research Institute for Sustainability (RIFS)
    In:  RIFS Discussion Paper | International Hydrogen Policy
    Publication Date: 2024-06-18
    Description: In this paper, the authors discuss the role of China in the emerging geopolitics of hydrogen. It begins with a review of China's external energy policy and its evolution over the past decades, highlighting China's transition to a net-energy importer as an important inflection point in that process. It then goes on to describe the main pillars of China's national hydrogen policy. Building on this the paper provides and overview of China's external hydrogen policy and how this aligns with both its broader energy foreign policy and its hydrogen policy objectives. The paper finds that China’s hydrogen strategy – both internal and external – are still at an emergent stage. National targets remain modest, and policy remains ambiguous regarding the preferred production pathway. China’s long-term vision clearly emphasizes the role of renewable hydrogen to help balance an energy system dominated by wind and solar energy. However, current policy provides ample space for the promotion of other forms of hydrogen production. Rather, than a strong, centralized policy approach, local and provincial governments along with SOEs have been driving investment and policy experimentation in the sector, which includes efforts to boost fossil-based hydrogen production.
    Language: English
    Type: info:eu-repo/semantics/workingPaper
    Format: application/pdf
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  • 8
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    Research Institute for Sustainability (RIFS)
    In:  RIFS Discussion Paper | International Hydrogen Policy
    Publication Date: 2024-06-18
    Description: This chapter reviews Japan’s hydrogen strategy with a particular focus on its international elements. It begins by outlining Japan’s international commitment to reduce economy-wide greenhouse gas emissions. The chapter then reviews Japan's domestic policy settings designed to support the deployment of hydrogen in power generation, transport, and industrial uses. The chapter then reviews the strategy that the government is using to enable the development of international supply chains to enable the required imports to satisfy projected hydrogen use in the country. It outlines bilateral technology partnerships and international activities within multilateral forums. It concludes with a short discussion of the geopolitical implications of Japan's hydrogen strategy. Japan has been at the forefront of global efforts to increase the role of hydrogen and ammonia as an option for supporting decarbonization. Japan’s government is positioning hydrogen to play a large role in its overall decarbonisation strategy in support of its mid-century, net zero emissions reduction goal. In this context, the Japanese government is supporting the development of technologies on both the supply and demand side, informed by its understanding of feasible decarbonization pathways domestically and the industrial policy opportunities it has identified to promote Japan's technological leadership. Key features of Japan’s strategy are the central focus on the need to import hydrogen and ammonia and the emphasis domestically on the use of hydrogen and ammonia co-combustion in existing thermal power generation as a transition technology, which is not emphasised in other countries’ national hydrogen strategies. In addition, the Japanese government is championing hydrogen and ammonia internationally through forums such as AZEC, which includes proposing ammonia as a technology option for reducing emissions from the power sector in the Asia-Pacific. A key near-term focus on the supply-side is testing the feasibility of different technology options for hydrogen transport, based on the strong emphasis on hydrogen and ammonia imports within Japan’s hydrogen strategy. Coupled with the potential for exporting technologies for hydrogen use, this suggests that new patterns of trade and investment may emerge, although there remain crucial questions about commercial feasibility in addition to technical challenges. Indeed, Japan’s hydrogen strategy is predicated on the ability to build international supply chains at scale. These are currently being enabled by public investment in early-stage projects. These testing different technology options to enable the export of hydrogen to Japan to support domestic decarbonization. Another challenge lies in unlocking hydrogen demand given that processes using hydrogen and ammonia remain more expensive than alternatives in most cases. A case in point is FCVs, in which consumer demand remains far lower than envisioned. In response, the Japanese government is developing a series of policies to reduce the gap between hydrogen and ammonia and best available technologies. The revised 2023 NHS also signalled a shift towards emphasising Japan’s technology leadership in fuel cells and taking a more neutral approach towards end-use sectors. We can expect Japan’s national hydrogen strategy to continue to develop in response to the effectiveness of policies implemented domestically and internationally to increase the demand for, and supply of hydrogen and associated vectors.
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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  • 9
    Publication Date: 2024-06-18
    Description: High-resolution thermospheric mass density low Earth orbit (LEO)-based measurements are valuable for accurately estimating short-term atmospheric abrupt disturbances triggered by solar flux forcing. To investigate the enhancing status of solar cycle 25 between August 29 and December 31, 2020, we processed Gravity Recovery and Climate Experiment Follow-on (GRACE-FO) 10-s accelerometer-derived thermospheric mass density (TMD) measurements normalized at 500 km altitude by the NRLMSIS-2.0 empirical model. These 4-month enhancing disturbance observations suggest a shift from relative quiescence to a much more active solar phase, revealing unexpected dependencies on temporal and spatial characteristics. The results indicated that the dominant driver is solar extreme ultraviolet radiation (EUV) during this ascending phase. Density enhancement was symmetric in both hemispheres around the autumn equinox. After the equinox, the neutral density enhancement intensity in the Southern Hemisphere surpasses that in the Northern Hemisphere. Density maxima occurred from high to low latitudes, accompanied by a 2–3 h time lag. The Wygant function was applied to model the response to solar wind geomagnetic field changes and quantify the impact of geomagnetic activities on upper atmosphere density, verifying the time lag of density disturbances. All these findings could potentially improve our understanding of the solar cycle and LEO orbital drag.
    Language: English
    Type: info:eu-repo/semantics/article
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  • 10
    Publication Date: 2024-06-18
    Description: Uraninite [UO2] is an increasingly recognized accessory mineral for geochronological studies of the mid to upper crust. Similar to what is seen for zircon and monazite, the U-Pb system of uraninite can become reset under relatively low temperatures in certain domains via the action of fluids through the process of coupled dissolution-reprecipitation. Whether or not the uraninite geochronometer is reset will be dependent on the chemistry of the fluid it interacts with as opposed to being purely dependent on P-T. This makes uraninite a mineral of interest for the dating of low- to mid-temperature, fluid-controlled geological processes. In order to better understand which factors cause the recrystallization and/or metasomatic alteration of uraninite, a set of 5 metasomatism experiments have been performed in cold seal autoclaves on a hydrothermal line involving a natural uraninite from Příbram, Czech Republic and a series of Na-, Ca-, OH-, and F-bearing fluids at 600°C and 200 MPa for 21 days. A second set of the same 5 experiments, to which elemental sulfur was added, were subsequently run at 450°C and 200 MPa for 66 days. Generally, little textural alteration of the starting material was observed in any of the experiments, which was independent of the fluid chemistry and temperature, except for an increase in the apparent porosity of the reacted grains. In the second set of experiments galena formed as small grains in four of the runs, indicating that Pb had migrated out from the uraninite into the solution and reacted with the sulfur to form galena. The excessive depletion of Pb in the metasomatized uraninite to negligible amounts in some of these fluids is especially evident if the solutions were NaF + H2O and 2M NaOH. This suggests that interaction of uraninite with F- or high pH Na-bearing fluids can metasomatically reset the uraninite geochronometer at 450 °C and mid to upper crustal pressures and by analogy to even lower temperatures given sufficient time.
    Language: English
    Type: info:eu-repo/semantics/article
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