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  • 1
    Monograph available for loan
    Monograph available for loan
    Bern : Hallwag
    Call number: O 2777
    Type of Medium: Monograph available for loan
    Pages: 284 S. : zahlr. graph. Darst.
    Language: German
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 2
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    Unknown
    PANGAEA
    In:  Supplement to: Weber, Max Carl Wilhelm (1902): Siboga-Expeditie, Introduction et Description de l'Expédition (1899-1900) = Siboga Expedition. Introduction and description of the expedition (1899-1900). Uitkomsten op zoologisch, botanisch, oceanografisch en geologisch gebied verzameld in Nederlandsch Oost-Indië 1899-1900 aan boord H. M. Siboga; E.J. Brill, Leiden, 1, 176 pp, https://archimer.ifremer.fr/doc/1902/publication-4745.pdf
    Publication Date: 2023-08-28
    Description: This work writen in French describes the Dutch zoological and hydrographic expedition to Indonesia from March 1899 to February 1900 which was headed by Max Carl Wilhelm Weber. During the expedition, Weber, has found manganese nodules on one spot between the islands of Letti and Timor, at a depth of 1224 metres, in a mud containing a strong proportion of terrigenous material, far from being a pelagic deposit as was expected by the preceeding results from J. Murray and others.
    Keywords: Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Elevation of event; Event label; Identification; Latitude of event; Longitude of event; Malay Archipelago, Indian Ocean; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Page(s); Position; Quantity of deposit; Sediment type; SIBOGA-177; SIBOGA-251; SIBOGA-253; SIBOGA-280; Size; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 32 data points
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 23 (1952), S. 1-5 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary Based on the recordings of the free oscillations of a seismometer, an approximate method is developed for calculating the non-linear terms of the corresponding indicator equation. An equivalent linear indicator equation is calculated with the results.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 32 (1955), S. 12-18 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary The travel-time surface for multiple reflections has been calculated, under the assumption that the wave-velocityc is an arbitrary function of the depthz and that the surface of the elastic body has an arbitrary curvature.
    Notes: Zusammenfassung Es wird die Laufzeitfläche einer mehrfach reflektierten Wellenfront in einem vollkommen elastischen Körper, in dem die Frontgeschwindigkeitc eine stückweise stetige Funktion der Tiefez ist, und der eine beliebig gekrümmte Oberfläche besitzt, berechnet.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 34 (1956), S. 1-20 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary The theory of the interpretation of seis mic travel-time surfaces for refracted rays in parallel structures is treated in a new manner, under the assumption that the depth-velocity function of any bed can be expanded in a power serie.
    Notes: Zusammenfassung Es wird gezeigt wie man seismische Refraktionmessungen, unter der Voraussetzung, dass die zur Frontgeschwindigkeit c(z) inverse Funktion z=ζ(c) schichtweise in eine Potenzreihe entwickelbar ist, direkt interpretieren kann. Abschliessend wird die neue Theorie mit der bekannten vonHerglotz-Wiechert undSlichter verglichen.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 40 (1958), S. 19-35 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary Under the assumption, that the travel-time function ψ (r) or ψ2 (r) can be represented by a restricted power serie, the problem of the reflection seismic in a uniaxial inhomogeneous medium is generally and exactly treated. Furthermore an approximate solution for inclined surfaces of discontinuity and an example are given.
    Notes: Zusammenfassung Es wird unter der Voraussetzung, dass die Laufzeitfunktion ψ (r) oder ψ2 (r) durch eine abgebrochene Potenzreihe dargertellt werden kann, das Problem der Reflexionsseismik in einem einachsig inhomogenen Körper allgemein und exakt gelöst. Weiter wird für geneigte Sprungflächen eine Näherungslösung angegeben und ein Beispiel behandelt.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 53 (1962), S. 10-12 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary A new method is developed for calculating the wave-velocities in the earth.
    Notes: Zusammenfassung Es wird eine neue Methode zur Berechnung der Frontgeschwindigkeiten im Bereich der Erdbebenherde entwickelt und dabei die Erde als ein einachsig inhomogener Körper betrachtet.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 30 (1955), S. 27-32 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary Based on a recorded travel-time curve $$\bar \psi _2 $$ (η), a simple direct method is developed for calculating the functionz=z (c), under the asumption that the wave velocityc is a regularly monotone increasing function of the depthz. Finally a rumerical example is given.
    Notes: Zusammenfassung Unter der Voraussetzung, dass die Frontgeschwindigkeitc eine stetige und monoton wachsende Funktion von der Tiefez ist, wird dargelegt, wie man aus einer gemessenen Laufzeitkurve $$\bar \psi _2 $$ (η) die zuc inverse Funktionz=z (c) auf einfache Weise berechnen kann. Weiter wird die Eindringtiefez m in Funktion von η ermittelt und abschliessend ein Beispiel gegeben.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 32 (1955), S. 7-11 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary Under the assumption that the measuring surfacez=ξ(x,y) and the reflection horizon of a structurez=f(x,y) have an arbitrary curvature a simple method is developed for calculating the surfacef from seismic reflection data measured along the surface ξ. In addition the general solution is discussed and some special cases are treated.
    Notes: Zusammenfassung Es wird dargelegt wie man eine beliebig gekrümmte Schichtgrenze aus seismischen Reflexionsmessungen längs einer beliebig gekrümmten Messfläche berechnen kann. Dazu wird vorausgesetzt, dass die Flächez=f(x,y), die die Schichtgrenze darstellt und die Messflächez=ξ(x,y) zusammen eine glatte geschlossene Fläche bilden und, dass das eingeschlossene Material homogen und isotrop ist.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 43 (1959), S. 167-181 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary The interpretation-problem of the refraction seismic in a uniaxial inhomogeneous medium is generally treated and exactly solved.
    Notes: Zusammenfassung Es wird das Interpretationsproblem der Refraktionsseismik in einem einachsig inhomogenen Körper allgemein behandelt und exakt gelöst.
    Type of Medium: Electronic Resource
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