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  • Books  (1)
  • Articles  (17)
  • 2015-2019  (15)
  • 1980-1984  (3)
  • 1
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    3D thermohydraulic modelling of shallow-deep interactions in the subsurface of Berlin, Germany (2017)
    In:  Tagungsband
    Details
    Publication Date: 2020-02-12
    Description: The main goal of this study is to deepen the understanding of coupled processes in the subsurface of Berlin, capital city of Germany. The study area is located in the North-east German Basin, which displays a sedimentary infill of several kilometers. These sediments are composed of a sequence of alternating aquifers and aquitards, which include the local Oligocene Rupelian aquitard. This unit is characterized by a comparatively low hydraulic conductivity, thus separating the overlying fresh water aquifers, from whom Berlin produces 100% of its drinking water, from the underlying saline aquifers. In this context, newly available hydraulic data were integrated into 3D thermohydraulic models of the sub-surface, specifically investigating the coupling of surface water bodies to the subsurface. These models also serve as a basis for future thermohaline simulations as there is evidence of highly mineralized waters in the subsurface which indicates the vulnerability of shallow groundwater utilization beneath the city. The resulting thermal and hydraulic configuration shows, that the coupling of surface water bodies and groundwater might lead to significant modifications of predicted subsurface temperatures and fluid velocities. These modifications are most drastic in areas where the hydraulic head of surface water bodies is highly different compared to the sur-rounding aquifer. Consequently, differences in the predicted groundwater flow field also result in differences in predicted temperatures because of advective heat transport. In this context, the presence of major lakes might account for temperature differences up to 5°C and major rivers in the model area lead to temperature differences on the order of 1°C.
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  • 2
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    77. Jahrestagung der Deutschen Geophysikalischen Gesellschaft : 27.–30. März 2017 in Potsdam (2017)
    Deutsches GeoForschungsZentrum GFZ
    Details
    Publication Date: 2020-02-12
    Language: German , English
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  • 3
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    Are Superplumes a Myth? (2017)
    In:  Tagungsband
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    Publication Date: 2020-02-12
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  • 4
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    Can a single plume explain widespread volcanism in the North Atlantic / Greenland region around 60 Ma? (2017)
    In:  Tagungsband
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    Publication Date: 2020-02-12
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  • 5
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    Die vielfältigen Anwendungsfelder der Seismologie (2016)
    In:  System Erde
    Details
    Publication Date: 2020-02-12
    Description: Seismology is often associated with the investigation of earthquake processes and indeed this is a very important target of the science. However, seismology is also the primary means by which we can obtain images of the internal structure of the Earth on all scales, ranging from the deep interior, i.e. the Earth’s core and lower mantle over the mantle lithosphere and crust, the scale at which plate tectonics ‘happens’ all the way to the unconsolidated material in the near-surface. Seismology uses earthquakes and artificial sources as signal generators but also the ambient background wavefield, previously considered to be merely noise. Methodological and instrumental innovations have allowed ever more detailed investigations of the earthquake process and the seismic structure, and opened up new targets such as as the monitoring of geomorphological events and investigations of the time-dependency of seismic structure. Finally seismology is not restricted to waveform analysis and the instrumental period but draws on historical data and, in the field of paleoseismology, geological markers to constrain seismic activity in the pre-instrumental past. Direct societal benefits from seismology accrue for example from improved seismic hazard estimates and early-warning technologies in the area of natural hazards, from improved recovery and usage of natural resources, including geothermal energy as a sustainable energy source and much more, e.g. the possibility to monitor and thus enforce compliance with the nuclear test ban treaty.
    Language: German
    Type: info:eu-repo/semantics/article
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  • 6
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    Editorial : Seismologie – Geophysik mit Weitblick (2016)
    In:  System Erde
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    Publication Date: 2020-02-12
    Language: German
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  • 7
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    Foreland uppermost crustal deformation: High resolution thermo-mechanical models of intra-plate collision in Central Andes (2017)
    In:  Tagungsband
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    Publication Date: 2020-02-12
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  • 8
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    Series available for loan
    Geschichte der Seismologie, Seismik und Erdgezeitenforschung : Tagung in Eisenach vom 5. bis 7. Dezember 1979 ; Vorträge (1981)
    Potsdam : Zentralinstitut Physik der Erde
    Associated volumes
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    Call number: 21/SR 90.0917(64) ; 21/SR 22.19544(64)
    In: Veröffentlichungen des Zentralinstituts Physik der Erde, Nr.64
    Type of Medium: Series available for loan
    Pages: 218 Seiten , Diagramme, Illustrationen, Fotos, Karten , 30 cm
    Edition: Als Manuskript gedruckt
    ISSN: 0514-8790
    Series Statement: Veröffentlichungen des Zentralinstituts Physik der Erde Nr. 64
    URL: (CC BY 4.0)
    Language: German
    Note: Vorwort Adlung, A. Die Entwicklung der Fernübertragung in der Seismologie und Seismik Bormann, P. : Der Beitrag Immanuel KANTs zur Entwicklung wissenschaftlicher Vorstellungen über die Natur der Erdbeben Elstner, C. : Beiträge von Erdgezeitenuntersuchungen zu Vorstellungen über die Struktur des Erdkörpers Germann, D. : Die seismische Station an der Universität Jena und die Neugründung einer deutschen Zentralstation für Erdbebenforschung 1923 Heckeler, V. : Registrierung und Auswertung von Erdbebenwechselwellen zur Erforschung des Tiefbaus der Erdkruste Hurtig, E. Ernst August v. Rebeur-Paschwitz und seine Bedeutung für die Entwicklung der Seismologie Kessler, J. ; Rotter, D. : Entwicklung der Untersuchung und Bekämpfung von Gas-Salz-Ausbrüchen in der DDR Kowalle, G. : Entwicklung der Vorstellungen über den Bau des Erdinnern Kozâk, J. ; Schmidt P. : Abbildungen seismologischen Inhalts in europäischen Drucken des 15. bis 18. Jahrhunderts Kühn, P. : Zur Geschichte der Erforschung der Seismotektonik des Nordatlantik Meinhold, R. : Von den Anfängen der angewandten Seismik in Deutschland Meyer, H. : Die Erdbebenstation Leipzig (1902 - 1934) Meyer, H. ; Jacobs, F. : Zur Entwicklung der Angewandten Seismik an der Karl-Marx-Universität Leipzig Neunhöfer, H. ; Weidermann, V. : Seismische Überwachung von Bergbaugebieten, dargestellt am Beispiel der Mansfelder Mulde Pätz, H. : Zur Geschichte der Seismik beim Nachweis von Erdöl- und Erdgaslagerstätten - Versuch einer gesellschaftsbezogenen Wichtung Reinhardt, H.-G. : Zur Entwicklung der seismischen Erkundung im VEB Geophysik Savarenski, E. F. : Abriß der 60jährigen Entwicklung der sowjetischen Seismologie (1917 bis 1977) Schneider, M. M. : Über die Vorgeschichte der experimentellen Erdgezeitenforschung bis zum Ausgang des 19. Jahrhunderts ( Zusammenfassung) Sponheuer, W. ; Grünthal, G. : Das Mitteldeutsche Erdbeben vom 6. März 1872 Teupser, Ch. : Seismologische Forschungen in Jena seit 1923 Tittel, B. : Fortschritte des seismologischen Meßprogramms am Geophysikalischen Observatorium Collm (Zusammenfassung) Wilsdorf, H. ; Schmidt, P. : Erdbebentheorien und Prodigia in der griechisch-römischen Antike und einige Aspekte ihrer Rezeption in späterer Zeit
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  • 9
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    Geschichte der Seismologie, Seismik und Erdgezeitenforschung Tagung in Eisenach vom 5. bis 7. Dezember 1979 Vorträge (1981)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
    Details
    Publication Date: 2023-02-01
    Description: Vorwort Adlung, A. Die Entwicklung der Fernübertragung in der Seismologie und Seismik Bormann, P. : Der Beitrag Immanuel KANTs zur Entwicklung wissenschaftlicher Vorstellungen über die Natur der Erdbeben Elstner, C. : Beiträge von Erdgezeitenuntersuchungen zu Vorstellungen über die Struktur des Erdkörpers Germann, D. : Die seismische Station an der Universität Jena und die Neugründung einer deutschen Zentralstation für Erdbebenforschung 1923 Heckeler, V. : Registrierung und Auswertung von Erdbebenwechselwellen zur Erforschung des Tiefbaus der Erdkruste Hurtig, E. Ernst August v. Rebeur-Paschwitz und seine Bedeutung für die Entwicklung der Seismologie Kessler, J. ; Rotter, D. : Entwicklung der Untersuchung und Bekämpfung von Gas-Salz-Ausbrüchen in der DDR Kowalle, G. : Entwicklung der Vorstellungen über den Bau des Erdinnern Kozâk, J. ; Schmidt P. : Abbildungen seismologischen Inhalts in europäischen Drucken des 15. bis 18. Jahrhunderts Kühn, P. : Zur Geschichte der Erforschung der Seismotektonik des Nordatlantik Meinhold, R. : Von den Anfängen der angewandten Seismik in Deutschland Meyer, H. : Die Erdbebenstation Leipzig (1902 - 1934) Meyer, H. ; Jacobs, F. : Zur Entwicklung der Angewandten Seismik an der Karl-Marx-Universität Leipzig Neunhöfer, H. ; Weidermann, V. : Seismische Überwachung von Bergbaugebieten, dargestellt am Beispiel der Mansfelder Mulde Pätz, H. : Zur Geschichte der Seismik beim Nachweis von Erdöl- und Erdgaslagerstätten - Versuch einer gesellschaftsbezogenen Wichtung Reinhardt, H.-G. : Zur Entwicklung der seismischen Erkundung im VEB Geophysik Savarenski, E. F. : Abriß der 60jährigen Entwicklung der sowjetischen Seismologie (1917 bis 1977) Schneider, M. M. : Über die Vorgeschichte der experimentellen Erdgezeitenforschung bis zum Ausgang des 19. Jahrhunderts ( Zusammenfassung) Sponheuer, W. ; Grünthal, G. : Das Mitteldeutsche Erdbeben vom 6. März 1872 Teupser, Ch. : Seismologische Forschungen in Jena seit 1923 Tittel, B. : Fortschritte des seismologischen Meßprogramms am Geophysikalischen Observatorium Collm (Zusammenfassung) Wilsdorf, H. ; Schmidt, P. : Erdbebentheorien und Prodigia in der griechisch-römischen Antike und einige Aspekte ihrer Rezeption in späterer Zeit
    Language: German
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  • 10
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    Instrumental magnitude constraints for the 11 July 1889, Chilik earthquake (2015)
    Geological Society (of London)
    Details
    Publication Date: 2015-11-22
    Description: A series of large-magnitude earthquakes above 6.9 occurred in the northern Tien-Shan between 1885 and 1911. The Chilik earthquake of 11 July 1889, has been listed with a magnitude of 8.3, based on sparse macroseismic intensities, constrained by reported damage. Despite the existence of several juvenile fault scarps in the epicentral region, that are possibly associated with the 1889 earthquake, no through-going surface rupture having the dimensions expected for a magnitude 8.3 earthquake has been located – a puzzling dilemma. Could the magnitude have been overestimated? This would have major implications not only for the understanding of the earthquake series, but also for regional hazard estimates. Fortunately, a fragmentary record from an early Rebeur–Paschwitz seismometer exists for the Chilik event, recorded in Wilhelmshaven (Germany). To constrain the magnitude, we compare the late coda waves of this record with those of recent events from Central Asia, recorded on modern instruments in Germany and filtered with Rebeur–Paschwitz instrument characteristics. Additional constraints come from disturbances of historic magnetograms that exist from the Chilik and the 1911 Chon-Kemin earthquakes. Scaling of these historic records confirm a magnitude of about 8 for the 1889 Chilik earthquake, pointing towards a lower crustal contribution to the fault area.
    Print ISSN: 0305-8719
    Electronic ISSN: 2041-4927
    Topics: Geosciences
    Published by Geological Society (of London)
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  • 11
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    Miscellanea (2015)
    Deutsches GeoForschungsZentrum GFZ
    In:  System Erde
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    Publication Date: 2022-01-28
    Language: German
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  • 12
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    Shallow thermal field variations across continental volcanic passive margins that significantly contrast in the breakup age (2017)
    In:  Tagungsband
    Details
    Publication Date: 2020-02-12
    Description: The aim of this research is to analyze the variations of the shallow thermal field across two volcanic continental passive margins contrasting in the breakup age; the Southwest (SW) African margin and the Norwegian margin. The SW African passive margin is significantly (around 75 Ma) older than the Norwegian. By comparing these two differently aged passive volcanic margins, we test the hypothesis if the present-day thermal field is different for the two settings. In this regard, we consider two previously published 3D lithospheric-scale and conductive thermal models for the SW African and the Norwegian passive margins. To compare these thermal models, we respect the surface of the upper thermal boundary as a reference surface for the both models and subsequently extract the temperature-depth distribution in a certain depth (1 km) interval down to 6 km below the upper thermal boundary surface. Finally, we calculate the geothermal gradient for the two settings at 1, 2, 3, 4, 5 and 6 km below the surface of the upper thermal boundary. We interpret the geothermal gradient variations concerning the 3D geological structural models to show how radiogenic heat production, sediment thermal blanketing, and the Lithosphere-Asthenosphere Boundary (LAB) depth play the major roles in the shallow thermal field pattern. Our results indicate that the shallow thermal field con-siderably differs comparing the two margins. In the Nor-wegian margin, the thermal field is mostly dominated by the lithosphere age. In contrast, over the SW African passive margin, the crustal configuration is dominating the pattern of the equilibrated shallow thermal field.
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  • 13
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    Source parameters of the Sarez Pamir earthquake of February 18, 1911. (2016)
    In:  Geophysical Journal International
    Details
    Publication Date: 2020-02-12
    Description: The Ms ∼ 7.7 Sarez-Pamir earthquake of 1911 February 18 is the largest instrumentally recorded earthquake in the Pamir region. It triggered one of the largest landslides of the past century, building a giant natural dam and forming Lake Sarez. As for many strong earthquakes from that time, information about source parameters of the Sarez-Pamir earthquake is limited due to the sparse observations. Here, we present the analysis of analogue seismic records of the Sarez-Pamir earthquake. We have collected, scanned and digitized 26 seismic records from 13 stations worldwide to relocate the epicentre and determine the event's depth (∼26 km) and magnitude (mB7.3 and Ms7.7). The unusually good quality of the digitized waveforms allowed their modelling, revealing an NE-striking sinistral strike-slip focal mechanism in accordance with regional tectonics. The shallow depth and magnitude (Mw7.3) of the earthquake were confirmed. Additionally, we investigated the possible contribution of the landslide to the waveforms and present an alternative source model assuming the landslide and earthquake occurred in close sequence.
    Language: English
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  • 14
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    Symposium of Digital Data Acquisition and Processing in Seismology GDR Reinhardsbrunn, March 14th -19th, 1983 (1983)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
    Details
    Publication Date: 2021-01-29
    Language: English
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  • 15
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    System Erde : Schwerpunkt Geo-Bio-Wechselwirkungen im System Erde (2015)
    Deutsches GeoForschungsZentrum GFZ
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    Publication Date: 2020-02-12
    Language: German
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  • 16
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    System Erde : Schwerpunkt Seismologie – Geophysik mit Weitblick (2016)
    Deutsches GeoForschungsZentrum GFZ
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    Publication Date: 2020-02-12
    Description: Die vorliegende Ausgabe des GFZ-Journals „System Erde“ soll einen Einblick in die am GFZ betriebene Forschung zur Seismologie geben.
    Language: German
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  • 17
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    The 3D thermal field of the Upper Rhine Graben (2017)
    In:  Tagungsband
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    Publication Date: 2020-02-12
    Description: The Upper Rhine Graben (URG) has a large socioeconomic relevance as it provides a great potential for geothermal energy production in Germany and France. For the utilisation of this energy resource it is crucial to understand the structure and the observed temperature anomalies in the rift basin. In the framework of the EU-funded “IMAGE” project (Integrated Methods for Advanced Geothermal Exploration, grant agreement no. 608553), we apply a data-driven numerical modelling approach to quantify the processes and properties controlling the spatial distribution of subsurface temperatures. Typically, reservoir-scale numerical models are developed for predictions on the subsurface hydrothermal conditions and for reducing the risk of drilling non-productive geothermal wells. One major problem related to such models is setting appropriate boundary conditions that define, for instance, how much heat enters the reservoir from greater depths. Therefore, we first build a regional lithospheric-scale 3D structural model, which covers not only the entire URG but also adjacent geological features like the Black Forest and the Vosges Mountains. In particular, we use a multidisciplinary dataset (e.g. well data, seismic reflection data, existing structural models, gravity) to construct the geometries of the sediments, the crust and the lithospheric mantle that control the spatial distribution of thermal conductivity, radiogenic heat production, permeability, and hence temperatures in the URG. By applying a data-based and lithology-dependent para-meterisation of this lithospheric-scale 3D structural model and a 3D finite element method, we calculated in a first step the steady-state conductive thermal field for the entire region. Available measured temperatures (down to depths of 5 km) were used to validate this physics-based 3D thermal model, but also 137 revealed heat trans-port by hydrothermal convection. In a second step we performed numerical simulations of coupled fluid and heat transport on a smaller-scale and higher resolved model, for which the lithospheric-scale model provides the thermal boundary conditions. We show that the Variscan upper crustal domains with their different radiogenic heat production controls the regional thermal field. Highest temperatures are predicted for the URG, where a thermal blanketing effect due to thick thermally low-conductive sediments is locally modified by additional fluid flow.
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  • 18
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    Trends in seismologischer Instrumentierung (2016)
    In:  System Erde
    Details
    Publication Date: 2020-02-12
    Description: Significant scientific findings are often directly related to innovations in measurement technology. For investigating the Earth’s interior the invention of the seismography played the most important role. Starting with the first seismograph suitable for scientific investigations by Ewing, Gray and Milne in the 1870s and its improvement by Wiechert around 1900, seismic instrumentation was available in the beginning of the last century to reveal the layered structure of our planet. Since then, instruments were steadily improved, and controlled source experiments and seismic networks significantly contribute today to our understanding of the Earth’s structure and the ongoing dynamic processes as well as to the exploration of resources as oil, gas, water and minerals. At the GFZ German Research Centre for Geosciences we work on technical innovations and apply them in experiments around the world and at a variety of scales. We develop highly portable, low-cost, high-performance seismic data recording systems, which are designed to be used in “large-N” array configurations (〉1000 receivers) and on the sea floor (shallow water). Distributed accoustic sensors (DAS) based on fibre-optic cables allow extremely dense sampling of the seismic wavefields. Seismic sources and receivers integrated in borehole tools illuminate in high-resolution the subsurface during drilling operations (Seismic prediction while drilling, SPWD).
    Language: German
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