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  • Deutsches GeoForschungsZentrum GFZ  (28)
  • English  (28)
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  • 1
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    Infrared-Spectrometry on Cutting Samples of the KTB Main Hole (Drill Section HB1), 7-5590 m. (2010)
    Deutsches GeoForschungsZentrum GFZ
    Details
    Publication Date: 2021-08-13
    Description: Abstract
    Description: Infrared-Spectrometry on Cutting Samples of the KTB Main Hole (Drill Section HB1), 7-5590 m.
    Keywords: German Continental Deep Drilling Program ; Land based ; CO2 ; H2O ; infrared spectrometry ; total carbon
    Language: English
    Type: Dataset , Dataset
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    DATA GFZ
  • 2
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    XRD of Cuttings of the KTB Pilot Hole HB1 (2010)
    Deutsches GeoForschungsZentrum GFZ
    Details
    Publication Date: 2021-08-13
    Description: Abstract
    Description: The qualitative and quantitative phase analyses were performed in the KTB field laboratory by x-ray powder diffraction using SIEMENS D 500 diffractometer. During early stages of the KTB project a new method for quantitative phase analysis was developed (see references below). The method is based on the comparison of the diffraction spectrum of the unknown sample with those of pure minerals. The powder diffraction data of the minerals are stored in a database built up of 250 natural minerals separated from various types of igneous and metamorphic rocks. The complete analyses (radiation: Cu K alpha, lambda: 1,5405Å, stepwidth: 0,01°, counting time 2 sec/step, angle 2-80°) was carried out automatically including computations. The results of this quantitative phase analysis were used e.g. to check thin section petrography (and vice versa) and to construct a \"mineralogical rock composition log\".
    Keywords: German Continental Deep Drilling Program ; Land based ; Accessories ; Al2SiO5 ; Amphiboles ; Biotites ; Carbonates ; Chlorite ; Clinopyroxene ; Date of Sampling ; Epidote ; Garnet ; Olivine ; Orthopyroxene ; Oxyde Ores ; Plagioclases ; Potassium Feldspars ; Quartz ; Serpentine ; Spinels ; Sulfidic Ores ; White Mica ; X-ray diffraction ; Zeolite
    Language: English
    Type: Dataset , Dataset
    Format: 60459 DataPoints
    Format: text/tab-separated-values
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    DATA GFZ
  • 3
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    GPS meteorology with single frequency receivers (2012)
    Deutsches GeoForschungsZentrum GFZ
    In:  Scientific Technical Report
    Details
    Publication Date: 2020-02-12
    Description: [...] In this thesis it is shown that the epoch-differenced ionospheric delay correction is sufficient for estimating the tropospheric delay, e.g., the Zenith Total Delay (ZTD), from SF GPS data. Based on this result, the Satellite-specific Epoch-differenced Ionospheric Delay model (SEID) was developed. In the SEID model the ionospheric corrections for SF data are generated from the observations of surrounding reference stations equipped with DF receivers. With the derived ionospheric corrections and the SF data, pseudo L2 data are generated, which can be processed using existing GPS processing software packages without any changes. [...]
    Language: English
    Type: info:eu-repo/semantics/doctoralThesis
    Format: application/pdf
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  • 4
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    Earthquake model for the European-Mediterranean Region for the purpose of GEM1 (2010)
    Deutsches GeoForschungsZentrum GFZ
    In:  Scientific Technical Report STR
    Details
    Publication Date: 2020-02-12
    Description: The seismicity data file used for this study is represented by the earthquake catalogue CENEC for Europe north of 44°N (Grünthal et al. 2009a). This paper describes in detail how this homogeneous data file in terms of moment magnitudes Mw (with Mw greater than 3.5) has been derived. The degree of harmonization achieved in CENEC is quantitatively analysed in Grünthal et al. (2009b).
    Language: English
    Type: info:eu-repo/semantics/report
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  • 5
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    Granites of the Erzgebirge : relation of magmatism to the metamorphic and tectonic evolution of the Variscan Orogen ; guidebook to Eurogranites 2012 fieldtrip October 7 to October 13, 2012 (2012)
    Deutsches GeoForschungsZentrum GFZ
    In:  Scientific Technical Report
    Details
    Publication Date: 2020-02-12
    Description: The guidebook contains a thematic description an background information for each field day. The overall setting and development of the Saxo-Thuringian zone within the Variscan orogen is presented in Kroner and Romer (2010). This material is not included in this guide book (because of copyright reasons) and will be handed out to field trip participants as separate handout.
    Language: English
    Type: info:eu-repo/semantics/report
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  • 6
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    Geological Conditions and Capacities (2012)
    Deutsches GeoForschungsZentrum GFZ
    In:  Geologische Speicherung von CO2
    Details
    Publication Date: 2021-03-30
    Description: Film 2: "Geological Conditions and Capacities" (Length 06:00) "Porous rocks with good permeability have, in Germany and world-wide, the highest potential for geological CO2 storage. ..." Where do these rocks occur? And which further criteria need potential CO2 storage sites to meet? Production Year: 2010-2012
    Language: English
    Type: info:eu-repo/semantics/other
    Format: video/mpeg
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  • 7
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    Ketzin Pilot Site (2012)
    Deutsches GeoForschungsZentrum GFZ
    In:  Geologische Speicherung von CO2
    Details
    Publication Date: 2021-03-29
    Description: Film 5: "Ketzin Pilot Site" (Length 05:05) "At the Ketzin pilot site in Brandenburg, Germany, CO2 has been injected into an underground storage formation since June, 2008. ...". The monitoring methods used at the pilot site Ketzin are among the most comprehensive in the field of CO2 storage worldwide. Important is the combination of different monitoring methods, each with different temporal and spatial resolutions. Which methods are used? And what have we already learned? Production Year: 2011-2012
    Language: English
    Type: info:eu-repo/semantics/other
    Format: video/mpeg
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  • 8
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    Proceedings of the DENDROSYMPOSIUM 2009, April 16th - 19th, 2009 in Otočec, Slovenia (2010)
    Deutsches GeoForschungsZentrum GFZ
    In:  Scientific Technical Report
    Details
    Publication Date: 2020-02-12
    Description: This volume contains 23 short papers which summarise the main subjects of talks and posters presented at the eighth TRACE (Tree Rings in Archaeology, Climatology and Ecology) conference organized by Jožica Gričar, Tom Levanič, Špela Jagodic, Robert Krajnc and Polona Hafner and held in Otočec, Slovenia on April 16th - 19th, 2009.
    Language: English
    Type: info:eu-repo/semantics/report
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  • 9
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    Solid Earth - Basic Science for the Human Habitat - ILP’s Second Potsdam Conference 2010 - Abstracts (2010)
    Deutsches GeoForschungsZentrum GFZ
    Details
    Publication Date: 2020-02-12
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 10
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    A global survey of sporadic E layers based on GPS radio occultations by CHAMP, GRACE and FORMOSAT–3 / COSMIC (2010)
    Deutsches GeoForschungsZentrum GFZ
    In:  Scientific Technical Report STR
    Details
    Publication Date: 2020-02-12
    Description: The ionosphere is a part of the upper atmosphere stretching from a height of about 60 km to more than 1 000 km. A certain fraction of the gas particles in that region is ionised by solar extreme ultra violet radiation. Since electromagnetic waves are influenced and significantly modified by ionospheric free charge carriers, the altitude range is of great scientific interest. GPS satellites emit electromagnetic waves on L – band frequencies travelling through the ionosphere and lower neutral atmosphere. Subsequently, they are received by low–Earth orbiting satellites. Consequently, the signals are affected by strong electron density gradients at altitudes above approximately 80km and by atmospheric density, pressure and water vapour content in the troposphere and stratosphere. This measurement method is termed radio occultation technique and it allows to receive a global picture of ionospheric and lower neutral atmospheric conditions. This study focusses on the detection and analysis of sporadic E layers from GPS radio occultation measurements on a global scale. Sporadic E layers are localised patches of relatively high electron density appearing in the E region of the ionosphere. They are represented in GPS signals as intense fluctuations. This work reveals that global sporadic E occurrence rates underlie variations on different time scales. It is demonstrated that the sporadic E occurrence depends on several geophysical parameters and it is subject to coupling processes between the neutral atmosphere and ionosphere. For example, the global sporadic E occurrence is oriented along Earth’s magnetic field. It is shown additionally that sporadic E altitudes are subject to tidal winds and that its annual cycle varies with meteor influx.
    Language: English
    Type: info:eu-repo/semantics/other
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