11 research outputs found

    Model optimization in exploration geophysics Program and abstracts

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    SIGLEAvailable from Berlin Freie Univ. (DE). Inst. fuer Geophysikalische Wissenschaften / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman

    Erstellung der Eingabedaten fuer das SAI-Airshed-Modell Abschlussbericht. Teil 4

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    TIB: AC 9939 (4) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

    Das SAI-Airshed-Modell Modelltheoretische Einordnung und technische Beschreibung. Abschlussbericht. Teil 3

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    TIB: AC 9939 (3) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

    Anwendung eines komplexen Ausbreitungsmodells zur Simulation einer Episode saurer Deposition ueber Europa

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    With 47 refs., 42 figs.SIGLEAvailable from TIB Hannover: FR 6340 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman

    Geowissenschaftliche Untersuchungen off- und on-shore Zentralanden an der aktiven suedostpazifischen Subduktionszone: CINCA 95 (Crustal Investigations NAZCA/Central Andes). Teilprojekt: Weitwinkelmessungen Onshore

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    During the CINCA-95 experiment airgun-shots fired by the research vessel Sonne as well as chemical explosions (borehole shots, mining explosions and sea shots) were recorded along three W-E onshore profiles with lengths of 200 to 300 km. The records show different qualities, in average they show a good or very good quality. The dense sequence of airgun pulses (about 100 m) gave the possibility to record the complete wavefield of the several wavegroups. Due to the eastward down dipping Nazca-plate the refection points of the wave recorded onshore are situated offshore between the trench and the coast. Besides the typical P_g-phase the wave group reflected at the oceanic Moho is clearly recognisable in the record sections. The oceanic Moho dips down east with about 15 . An intracrustal discontinuity with an eastward dip of 20 -25 is well evidenced by overcritical reflections. The nature of this discontinuity is still unclear. The records of the chemical explosions fired at both ends and inside the profiles enabled the tracing of the Nazca-Moho beneath the Precordillera between the coast and the Preandean depression. Beneath the Longitudinal Valley the oceanic Moho is situated at a depth between 55 and 60 km. (orig.)SIGLEAvailable from TIB Hannover: DtF QN1(54,34) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung, Wissenschaft, Forschung und Technologie, Bonn (Germany)DEGerman
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