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  • Bucharest  (5)
  • 04. Solid Earth::04.08. Volcanology::04.08.01. Gases  (4)
  • 27.80.+w 190 ⩽ A ⩽ 219
  • 38.20
  • Springer  (10)
  • Birkhauser Verlag, Basel  (1)
  • Essen : Verl. Glückauf
  • Krefeld : Geologischer Dienst Nordhein-Westfalen
  • 2015-2019
  • 2005-2009  (11)
  • 2007  (2)
  • 2005  (9)
Sammlung
Schlagwörter
Verlag/Herausgeber
Erscheinungszeitraum
  • 2015-2019
  • 2005-2009  (11)
Jahr
  • 1
    facet.materialart.
    Unbekannt
    Fault-controlled soil CO2 degassing and shallow magma bodies: summit and lower east rift of Kilauea volcano (Hawai’i) (2007)
    Birkhauser Verlag, Basel
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: Soil CO2 flux measurements were carried out along traverses across mapped faults and eruptive fissures on the summit and the lower East Rift Zone of Kilauea volcano. Anomalous levels of soil degassing were found for 44 of the tectonic structures and 47 of the eruptive fissures intercepted by the surveyed profiles. This result contrasts with what was recently observed on Mt. Etna, where most of the surveyed faults were associated with anomalous soil degassing. The difference is probably related to the differences in the state of activity at the time when soil gas measurements were made: Kilauea was erupting, whereas Mt. Etna was quiescent although in a pre-eruptive stage. Unlike Mt. Etna, flank degassing on Kilauea is restricted to the tectonic and volcanic structures directly connected to the magma reservoir feeding the ongoing East Rift eruption or in areas of the Lower East Rift where other shallow, likely independent reservoirs are postulated. Anomalous soil degassing was also found in areas without surface evidence of faults, thus suggesting the possibility of previously unknown structures.
    Beschreibung: Gruppo Nazionale per la Vulcanologia, C.N.R., Italy
    Beschreibung: Published
    Beschreibung: 853-867
    Beschreibung: open
    Schlagwort(e): soil CO2 ; Kilauea ; volcanic degassing ; tectonic structures ; geochemical surveying ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Format: 466706 bytes
    Format: application/pdf
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    ARTIKEL (OA)
  • 2
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    Unbekannt
    Global methane emission through mud volcanoes and its past and present impact on the Earth's climate. Comment. (2007)
    Springer
    Details
    Publikationsdatum: 2022-02-16
    Beschreibung: The role of mud volcanoes (MVs) as a source of methane(CH4) flux to the atmosphere and the ocean has been increasingly recognised in the last several years (Milkov 2000; Dimitrov 2002, 2003; Etiope and Klusman 2002; Kopf 2002, 2003; Milkov et al. 2003; Etiope and Milkov 2004). In one of the most recent papers, Kopf (2003) claims to report a reliable estimate of the global CH4 emission from MVs. However, the significance and usefulness of the estimate presented by Kopf (2003) are rather poor. The used dataset is smaller than in previous studies (although the author makes a reverse claim), and some previously published works are misquoted and misinterpreted. Numerous arithmetic mistakes made during simple calculations and data manipulations lead to confusing results and conclusions. In this comment, we highlight some of the most significant problems with the estimates published by Kopf (2003).
    Beschreibung: Published
    Beschreibung: 490-492
    Beschreibung: 4.5. Degassamento naturale
    Beschreibung: JCR Journal
    Beschreibung: reserved
    Schlagwort(e): Methane ; mud volcanoes ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Unbekannt
    Characterization of volcanic thermal anomalies by means of sub-pixel temperature distribution analysis (2005)
    Springer
    Details
    Publikationsdatum: 2020-11-23
    Beschreibung: Abstract: The simultaneous solution of the Planck equation (involving the widely used “dual-band” technique) using two shortwave infrared (SWIR) bands allows for an estimate of the fractional area of the hottest part of an active lava flow (fh), and the background temperature of the cooler crust (Tc). The use of a high spectral and spatial resolution imaging spectrometer with a wide dynamic range of 15 bits (DAIS 7915) in the wavelength range from 0.501 to 12.67 µm resulted in the identification of crustal temperature and fractional areas for an intra-crater hot spot at Mount Etna, Italy. This study indicates the existence of a relationship between these Tc and fh extracted from DAIS and Landsat TM data. When the dual band equation system is performed on a lava flow, a logarithmic distribution is obtained from a plot of the fractional area of the hottest temperature versus the temperature of the cooler crust. An entirely different distribution is obtained over active degassing vents, where increases in Tc occur without any increase in fh. This result indicates that we can use scatter plots of Tc vs. fh to discriminate between different types of volcanic activity, in this case between degassing vents and lava flows, using satellite thermal data.
    Beschreibung: Published
    Beschreibung: 641–651
    Beschreibung: 4V. Processi pre-eruttivi
    Beschreibung: JCR Journal
    Beschreibung: open
    Schlagwort(e): Mount Etna ; remote-sensing ; lava-flow ; degassing vent ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Format: 1347669 bytes
    Format: application/pdf
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  • 4
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    Changes in eruptive style during the A.D. 1538 Monte Nuovo eruption (Phlegrean Fields, Italy): the role of syn-eruptive crystallization (2005)
    Springer
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: The Monte Nuovo eruption is the most recent event that occurred at Phlegrean Fields (Italy) and lasted from 29 September to 6 October 1538. It was characterized by 2 days of quasi-sustained phreatomagmatic activity generating pumice-bearing pyroclastic density currents and forming a 130-m-high tuff cone (Lower Member deposits). The activity resumed after a pause of 2 days with two discrete Vulcanian explosions that emplaced radially distributed, scoria-bearing pyroclastic flows (Upper Member deposits). The juvenile products of Lower and Upper Members are, respectively, phenocryst-poor, light-coloured pumice and dark scoria fragments with K-phonolitic bulk compositions, identical in terms of both major and trace elements. Groundmass is formed by variable proportions of K-feldspar and glass, along with minor sodalite and Fe-Ti oxide present in the most crystallized samples. Investigations of groundmass compositions and textures were performed to assess the mechanisms of magma ascent, degassing and fragmentation along the conduit and implications for the eruptive dynamics. In pumice of the Lower Member groundmass crystal content increases from 13 to 28 vol% from the base to the top of the sequence. Products of the Upper Member consist of clasts with a groundmass crystal content between 30 and 40 vol% and of totally crystallized fragments. Crystal size distributions of groundmass feldspars shift from a single population at the base of the Lower Member to a double population in the remaining part of the sequence. The average size of both populations regularly increases from the Lower to the Upper Member. Crystal number density increases by two orders of magnitude from the Lower to the Upper Member, suggesting that nucleation dominated during the second phase of the eruption. The overall morphological, compositional and textural data suggest that the juvenile components of the Monte Nuovo eruption are likely to record variations of the magma properties within the conduit. The different textures of pumice clasts from the Lower Member possibly reflect horizontal gradients of the physical properties (P, T) of the ascending magma column, while scoriae from the second phase are thought to result from the disruption of a slowly rising plug crystallizing in response to degassing. In particular, crystal size distribution data point to syn-eruptive degassing-induced crystallization as responsible for the transition in eruptive style from the first to the second phase of the eruption. This mechanism not only has been proved to profoundly affect the dynamics of dome-forming calc-alkaline eruptions, but may also have a strong influence in driving the eruption dynamics of alkaline magmas of intermediate to evolved compositions.
    Beschreibung: Published
    Beschreibung: 601-621
    Beschreibung: reserved
    Schlagwort(e): Phlegrean Fields ; Vulcanian explosion ; Degassing ; Groundmass crystallization ; Eruption dynamics ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.02. Experimental volcanism ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Format: 1175329 bytes
    Format: application/pdf
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  • 5
    Digitale Medien
    Digitale Medien
    Neutron and light-charged-particle productions in proton-induced reactions on 208Pb at 62.9 MeV (2005)
    Springer
    The European physical journal 23 (2005), S. 49-60 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 27.80.+w 190 ⩽ A ⩽ 219 ; 25.40.-h Nucleon-induced reactions ; 25.40.Sc Spallation reactions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract. Neutrons and light charged particles produced in 62.9MeV proton-induced reactions on 208Pb were measured during a single experiment performed at the CYCLONE facility in Louvain-la-Neuve (Belgium). Two independent experimental set-ups were used to extract double differential cross-sections for neutrons, protons, deuterons, tritons, 3He and alpha-particles. Charged particles were detected using a set of Si- Si- CsI telescopes from 25° to 155°, by step of 10 degrees. Neutrons were measured using shielded DeMoN counters, liquid NE213 scintillators, at 24°, 35°, 55°, 80° and 120°. These data allowed the determination of angle differential, energy differential and total production cross-sections. A comparison with theoretical calculations (MCNPX, FLUKA and TALYS) has been performed. It shows that the neutron and proton production rates are well predicted by MCNPX, using the INCL4 option. All the other codes underestimate the neutron production whereas they overestimate the proton one. For composite particles, which represent 17% of the charged particle total reaction cross-section, neither the shape nor the amplitude of the cross-sections are correctly predicted by the models.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1140/epja/i2004-10073-1
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    Artikel (Nationallizenzen)
    Volltext
  • 6
    Digitale Medien
    Digitale Medien
    Coexisting oblate and strongly triaxial structures in 191Pt (2005)
    Springer
    The European physical journal 23 (2005), S. 69-78 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 29.30.Kv X- and γ-ray spectroscopy ; 23.20.Lv γ transitions and level energies ; 21.60.Ev Collective models ; 27.80.+w 190 ⩽ A ⩽ 219
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract. Excited states in 191Pt have been populated using the reaction 186W + 11B at 85MeV beam energy. Gamma-ray coincidences were measured using the EUROGAM-II spectrometer array. The level scheme has been extended considerably. Evidence for favoured structures of highly triaxial shape with γ ∼ -90° coexisting with oblate structures has been obtained by comparison with total Routhian surface and cranked shell model calculations. The presence of proton excitations in both positive- and negative-parity states has been confirmed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1140/epja/i2004-10065-1
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  • 7
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    The Dead Sea fault and its effect on civilization (2005)
    Springer
    In:  Professional Paper, Perspectives in Modern Seismology, Dordrecht, Springer, vol. 65, no. 16, pp. 145-168, (ISBN 0080419208)
    Details
    Publikationsdatum: 2005
    Schlagwort(e): paleo ; Seismicity ; Fault zone ; DSTF ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 8
    facet.materialart.
    Unbekannt
    Velocity field of the Aegean-Anatolian region from 3D finite element models (2005)
    Springer
    In:  Bull., Polar Proj. OP-O3A4, Perspectives in Modern Seismology, London, Springer, vol. 201, no. XVI:, pp. 169-184, (ISBN: 3-540-23712-7)
    Details
    Publikationsdatum: 2005
    Schlagwort(e): Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geodesy ; Finite Element Method ; Modelling ; Three dimensional ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 9
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    Unbekannt
    Nonlinear seismology - the seismology of the XXI century (2005)
    Springer
    In:  Bull., Polar Proj. OP-O3A4, Perspectives in Modern Seismology, Dordrecht, Springer, vol. 20, no. 4, pp. 47-65, (ISBN 0080419208)
    Details
    Publikationsdatum: 2005
    Schlagwort(e): Non-linear effects ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 10
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    Unbekannt
    Small-scale mantle plumes: Imaging and geodynamic aspects (2005)
    Springer
    In:  Bull., Open-File Rept., Perspectives in Modern Seismology, Arnsberg-Neheim, Springer, vol. 10, no. 87-17, pp. 69-94, (ISBN 0080419208)
    Details
    Publikationsdatum: 2005
    Schlagwort(e): Plate tectonics ; hot ; spots ; GeodesyY ; Tomography ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
  • 11
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    An earthquake early warning system for the Romanian capital (2005)
    Springer
    In:  Professional Paper, Open-File Rept., Perspectives in Modern Seismology, Berlin, Springer, vol. 1, no. 16, pp. 1-12, (ISBN 0080419208)
    Details
    Publikationsdatum: 2005
    Schlagwort(e): Review article ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
    Standort Signatur Erwartet Verfügbarkeit
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    BIBLIOGRAFIE SEISMOLOGIE
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