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  • European Geosciences Union
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  • 1
    Journal cover
    Unknown
    Copernicus | European Geosciences Union
    Online: 1.2019 –
    Publisher: Copernicus , European Geosciences Union
    Corporation: European Geosciences Union (EGU)
    Description: Geochronology (GChron) is a not-for-profit open-access open-review journal providing a unified outlet for high-quality basic and applied research in geochronology, independent of technique used or timescale considered. Geochronology publishes research in all aspects of geoscience that aim to determine times or rates of geologic events and processes: basic research into fundamental physics and chemistry of geologic dating methods; novel applications across the full range of geosciences; and developments in standardization and intercomparison, statistical methods, data management, and computational infrastructure. Geochronology aims to encourage and sustain innovation in geochronology by providing a centralized communication platform that transcends specific fields of application and focuses on the common theme of quantifying geologic time.
    Print ISSN: 2628-3697
    Electronic ISSN: 2628-3719
    Topics: Geosciences
    Acronym: GChron
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  • 2
    Monograph available for loan
    Monograph available for loan
    European Geosciences Union
    Call number: M 09.0260
    Type of Medium: Monograph available for loan
    Pages: getr. Zählung
    Series Statement: Natural Hazards and Earth System Sciences : Special issue 2005 - 2006, 2008
    Classification:
    B..
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    European Geosciences Union
    Call number: M 09.0261
    Type of Medium: Monograph available for loan
    Pages: S. 299-402
    Series Statement: Natural Hazards and Earth System Sciences : Special Issue 3, 2003
    Classification:
    B..
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 4
    Publication Date: 2021-06-25
    Description: The International Association for Promoting Geoethics (IAPG: http://www.geoethics.org) was founded on August 2012 to unite global geoscientists to raise the awareness of the scientific community regarding the importance of the ethical, social and cultural implications of geoscience research, education, and practice. IAPG is an international, multidisciplinary and scientific platform for discussion on ethical problems and dilemmas in Earth Sciences, promoting geoethical themes through scientific publications and conferences, strengthening the research base on geoethics, and focusing on case-studies as models for the development of effective and operative strategies. IAPG is legally recognized as a not-for-profit organization. It is a non-governmental, non-political, non-party institution, at all times free from racial, gender, religious or national prejudices. Its network continues to grow with more than 900 members in 103 countries, including 20 national sections. IAPG operates exclusively through donations and personal funds of its members. The results achieved since inception have been recognized by numerous international organizations. In particular, IAPG has obtained the status of affiliated organization by the International Union of Geological Sciences (IUGS), American Geosciences Institute (AGI), Geological Society of America (GSA), and the Geological Society of London (GSL). IAPG has enlarged its official relationships also through agreements on collaboration with other organizations, such as the American Geophysical Union (AGU), EuroGeoSurveys (EGS), European Federation of Geologists (EFG), Association of Environmental & Engineering Geologists (AEG), International Geoscience Education Organisation (IGEO), African Association of Women in Geosciences (AAWG), and others. IAPG considers publications as an indispensable activity to strengthen geoethics from a scientific point of view, so members are active in the publication of articles and editing of books on Geoethics with a peer-review process. Moreover, IAPG organizes sessions/symposia on geoethics in national and international congresses, thus encouraging a wide participation of the scientific community in the discussion on geoethical topics. This presentation provides an update on new results and numerous ongoing activities carried out by the IAPG with a brief look to future initiatives.
    Description: Published
    Description: Vienna (Austria)
    Description: 7IT. Educazione e divulgazione scientifica
    Description: 9IT. Geoetica
    Description: open
    Keywords: geoethics ; geoscientists ; geosciences ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Poster session
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  • 5
    Publication Date: 2020-06-11
    Description: To date, observations on a single location indicate that cryogenic gypsum (Ca{SO4} *2H2O) may constitute an efficient but hitherto overlooked ballasting mineral enhancing the efficiency of the biological carbon pump in the Arctic Ocean. In June–July 2017 we sampled cryogenic gypsum under pack ice in the Nansen Basin north of Svalbard using a plankton net mounted on a remotely operated vehicle (ROVnet). Cryogenic gypsum crystals were present at all sampled stations, which suggested a persisting cryogenic gypsum release from melting sea ice throughout the investigated area. This was supported by a sea ice backtracking model, indicating that gypsum release was not related to a specific region of sea ice formation. The observed cryogenic gypsum crystals exhibited a large variability in morphology and size, with the largest crystals exceeding a length of 1 cm. Preservation, temperature and pressure laboratory studies revealed that gypsum dissolution rates accelerated with increasing temperature and pressure, ranging from 6%d-1 by mass in polar surface water (-0.5 °C) to 81%d-1 by mass in Atlantic Water (2.5°C at 65 bar). When testing the preservation of gypsum in formaldehyde-fixed samples, we observed immediate dissolution. Dissolution at warmer temperatures and through inappropriate preservation media may thus explain why cryogenic gypsum was not observed in scientific samples previously. Direct measurements of gypsum crystal sinking velocities ranged between 200 and 7000md-1, suggesting that gypsum-loaded marine aggregates could rapidly sink from the surface to abyssal depths, supporting the hypothesized potential of gypsum as a ballasting mineral in the Arctic Ocean.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
    Format: application/pdf
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  • 6
    Publication Date: 2017-02-27
    Description: Past warm periods provide an opportunity to evaluate climate models under extreme forcing scenarios, in particular high ( 〉  800 ppmv) atmospheric CO2 concentrations. Although a post hoc intercomparison of Eocene ( ∼  50  Ma) climate model simulations and geological data has been carried out previously, models of past high-CO2 periods have never been evaluated in a consistent framework. Here, we present an experimental design for climate model simulations of three warm periods within the early Eocene and the latest Paleocene (the EECO, PETM, and pre-PETM). Together with the CMIP6 pre-industrial control and abrupt 4 ×  CO2 simulations, and additional sensitivity studies, these form the first phase of DeepMIP – the Deep-time Model Intercomparison Project, itself a group within the wider Paleoclimate Modelling Intercomparison Project (PMIP). The experimental design specifies and provides guidance on boundary conditions associated with palaeogeography, greenhouse gases, astronomical configuration, solar constant, land surface processes, and aerosols. Initial conditions, simulation length, and output variables are also specified. Finally, we explain how the geological data sets, which will be used to evaluate the simulations, will be developed.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 7
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    European Geosciences Union
    In:  EPIC3GEO - The Quarterly Newsletter of the European Geosciences Union, European Geosciences Union, (3), pp. 29-32, ISSN: 
    Publication Date: 2016-03-18
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , notRev
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  • 8
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    European Geosciences Union
    In:  EPIC3EGU General Assembly, Vienna, 2017-04-26European Geosciences Union
    Publication Date: 2017-05-04
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 9
    Publication Date: 2017-04-04
    Description: During the summer of 2005, we performed a 2-month lasting experiment (29 July - 29 September), using two spring gravimeters installed side-by-side at Mt. Etna. Two LaCoste & Romberg gravimeters were utilized (G594 and G1190), each equipped with an Aliod 100 electronic feedback system. Data were acquired at a sampling rate (2 Hz) higher than that normally used for gravimetric recordings. Apparent fluctuations (i.e. instrumental, not due to actual changes of the gravity field) dominated by a component with period of about 20 seconds appear over the gravity recordings when both high-frequency (local earthquakes) and low-frequency (teleseisms) components dominate the ensuing seismic wavefield. Though it has only an instrumental character, the outcome of this study represent an important further step towards the development of any a-priori or a-posteriori system aimed at reduce the effect of seismic shocks on the signal from continuously recording gravimeters.
    Description: Published
    Description: Vienna
    Description: 2.6. TTC - Laboratorio di gravimetria, magnetismo ed elettromagnetismo in aree attive
    Description: open
    Keywords: gravimeters ; earthquakes ; seismic-induced effects ; gravity fluctuations ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Poster session
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  • 10
    Publication Date: 2017-04-04
    Description: In the last decades the use of the Bottom Pressure Recorder (BPR) in a deep ocean environment for tsunami detection has had a relevant development. A key role for an early warning system based on BPRs is played by the tsunami detection algorithms running in real time on the BPR itself or at installation site. We present a new algorithm for tsunami detection that is based on real time pressure data analysis, consisting in tide removing, spike removing, low pass filtering and linear prediction: the output is then matched against a given pressure threshold allowing the detection of anomalous events. Different configurations of the algorithm, consisting for instance in a real time band pass filtering of the pressure signal in place of linear prediction, are also tested for comparison. The algorithm is designed to be used in an autonomous early warning system, with a finite set of input parameters that can be reconfigured in real time. A realistic benchmark scheme is developed in order to characterize the algorithm features with particular regards to false alarm probability, sensitivity to the amplitude and wavelength of the tsunami and detection earliness. The algorithm behaviour in real operation is numerically estimated performing statistical simulations where a large number of synthetic tsunami waves with various amplitude, period, shape and phase is generated and superimposed to time series of real pressure data recorded in different environmental conditions and locations.
    Description: Published
    Description: Vienna
    Description: 1.8. Osservazioni di geofisica ambientale
    Description: open
    Keywords: tsunami ; detection ; algorithm ; 05. General::05.01. Computational geophysics::05.01.05. Algorithms and implementation ; 05. General::05.04. Instrumentation and techniques of general interest::05.04.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Abstract
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