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  • 1
    Monograph available for loan
    Monograph available for loan
    Advanced Numerical Models for Simulating Tsunami Waves and Runup (2008)
    New Jersey [u.a.] : World Scientific Publishing
    Details Availability
    Call number: M 09.0029
    Description / Table of Contents: Contents: Modeling Runup with Depth-Integrated Equation Models (G Pedersen); High-Resolution Finite Volume Methods for the Shallow Water Equations with Bathymetry and Dry States (R J LeVeque & D L George); SPH Modeling of Tsunami Waves (B D Rogers & R A Dalrymple); A Large Eddy Simulation Model for Tsunami and Runup Generated by Landslides (T-R Wu & P L-F Liu); Free-Surface Lattice Boltzmann Modeling (J B Frandsen); Description of Benchmark Problems (P L-F Liu et al.); Tsunami Runup onto a Plane Beach (Z Kowalik et al.); Nonlinear Evolution of Long Waves over a Sloping Beach (U Kanoglu); Amplitude Evolution and Runup of Long Waves, Comparison of Experimental and Numerical Data on a 3D Complex Topography (A C Yalciner et al.); Numerical Simulations of Tsunami Runup onto a Three-Dimensional Beach with Shallow Water Equations (X Wang et al.); 3D Numerical Simulation of Tsunami Runup onto a Complex Beach (T Kakinuma); Evaluating Wave Propagation and Inundation Characteristics of the Most Tsunami
    Type of Medium: Monograph available for loan
    Pages: xix, 322 S.
    ISBN: 9789812700124
    Series Statement: Advances in Coastal and Ocean Engineering 10
    Classification:
    B..
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    The 1994 Shikotan earthquake tsunamis (1995)
    Springer
    Pure and applied geophysics 144 (1995), S. 855-874 
    Details
    ISSN: 1420-9136
    Keywords: Earthquake ; tsunamis ; runup ; South Kuril Islands ; numerical simulation ; tide gage ; subsidence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The 1994 Shikotan earthquake was one of the greatest earthquakes in recent years with a magnitude ofM s 8.0. A tsunami survey was conducted by Russian and U.S. geophysicists from October 16–30, 1994, less than two weeks after the earthquake. The survey results and a numerical hindcast simulation are reported. Tsunami focusing effect at locations supposedly sheltered by the island chain is discussed. Based on the obtained data, tsunamis which attacked Shikotan Island are characterized as long waves (the order of 10–20 min wave period) with a positive leading wave. Possible consequences of the positive leading wave form are discussed in relation to the observed minimal destruction of beach vegetation and relatively small transport of marine sediment onto the shore. The high-quality tide-gage record in Malokurilskaya Bay indicates the occurrence of a 53 cm subsidence at the site.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00874398
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  • 3
    Electronic Resource
    Electronic Resource
    The generation of edge waves by a wave-maker (1996)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 8 (1996), S. 2060-2065 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A theory is developed to describe the generation of edge waves on a uniform beach by a wave-maker. The theory is based on the linear shallow-water equations. The wave-maker is a vertical plate spanning between the shoreline and the paddle axis offshore, and oscillates periodically in the alongshore direction. It is found theoretically that only propagating modes exist; the evanescent modes are always accompanied by incoming waves from offshore and are not permissible in this case. For each propagation mode the cross-shore variation is described by the Laguerre polynomial with an exponentially decaying amplitude. Laboratory experiments are performed and experimental data are compared with theoretical solutions. Since the viscous damping is ignored in the theory, the wave amplitudes for the experimental data are usually lower than the theoretical predictions. However, the cross-shore variations of the wave form are predicted well by the theory. Furthermore, from both theoretical and experimental data, it is shown that wave fields are dominated by the Stokes edge-wave mode in the low frequency range, f〈0.5 Hz. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.869008
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  • 4
    Electronic Resource
    Electronic Resource
    On turbulence in bores (1990)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 2 (1990), S. 821-828 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Turbulence generated in bores is found to be sporadic and three dimensional when the Froude number is less than approximately 2.0. The turbulence characteristics behind the front are strongly affected by the behavior of the surface roller; the turbulence is created by intermittent advection of the recirculating flow of the surface roller. Although the one-dimensional approximation of a bore motion is identical to that of a hydraulic jump in an inviscid fluid, there are fundamental differences in a real fluid environment. When the Froude number is less than approximately 1.7, the difference in the shear-flow field between a bore and hydraulic jump affects their turbulence spreading rates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.857630
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  • 5
    Electronic Resource
    Electronic Resource
    Disaster on Flores Island (1993)
    [s.l.] : Nature Publishing Group
    Nature 361 (1993), S. 686-686 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THREE weeks after the tsunami hit Flores Island, Indonesia (see Okal's article above), an international tsunami survey team of scientists and engineers from five countries visited the location. They found that, at the site of the village of Riangkrok, located on the northern tip of the easternmost ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/361686b0
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  • 6
    Electronic Resource
    Electronic Resource
    Propagation and amplification of tsunamis at coastal boundaries (1994)
    [s.l.] : Nature Publishing Group
    Nature 372 (1994), S. 353-355 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Babi Island has a conical shape, with a diameter of approxi-mately 2 km and a summit elevation of 351 m (see Fig. 1); the surrounding waters are deep with a steep sea-bottom slope. The north shore faces the Flores Sea and has a wide coral reef. The destroyed villages (Kampungbaru and Pagaraman) ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/372353a0
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  • 7
    Electronic Resource
    Electronic Resource
    Composition and microstructure of silicon carbide whiskers (1989)
    Springer
    Journal of materials science 24 (1989), S. 1617-1622 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The bulk and surface chemistries of four sets of commercially available SiC whiskers made by three manufacturers were determined. The oxygen content varied significantly, ranging in the bulk from 1.9 to 0.6 at.% and on the surface from 35 to 15 at.%. Surface analysis as obtained by X-ray photoelectron spectroscopy also indicated that the oxygen species differed significantly with whisker supplier; each of three of the whisker sets contained a surface species that is very similar to that found in a Si-O-C glass, while one whisker surface appeared to have a silica-rich surface. Surface carbon concentrations varied significantly, while silicon concentrations did not. Scanning transmission electron micrographs indicate significant morphological variations (i.e., twinning, branching, kinks, surface roughness, etc.) occur in all of the whisker types.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01105681
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  • 8
    Electronic Resource
    Electronic Resource
    Tsunami bore runup (1991)
    Springer
    Natural hazards 4 (1991), S. 209-220 
    Details
    ISSN: 1573-0840
    Keywords: Bore ; turbulence ; wave runup ; tsunami ; long wave ; coastal zone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract Nearshore behaviors of tsunamis, specifically those formed as a single uniform bore, are investigated experimentally in a laboratory environment. The transition process from tsunami bore to runup is described by the ‘momentum exchange’ process between the bore and the small wedge-shaped water body along the shore: the bore front itself does not reach the shoreline directly, but the large bore mass pushes the small, initially quiescent water in front of it. The fluid motions near the runup water line appear to be complex. The complex flow pattern must be caused by irregularities involved in the driving bore and turbulence advected into the runup flow. Those experimental results suggest that the tsunami actions at the shoreline involve significant mean kinetic energy together with violent turbulence. Even though the behaviors of bore motion were found to be different from those predicted by the shallow-water wave theory, the maximum runup height appears to be predictable by the theory if the value of the initial runup velocity is modified (reduced). Besides the friction effect, this reduction of the initial runup velocity must be related to the transition process as well as the highly interacting three-dimensional runup motion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00162788
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  • 9
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    Composition and microstructure of silicon carbide whiskers (1989)
    Springer
    Details
    Publication Date: 1989-05-01
    Print ISSN: 0022-2461
    Electronic ISSN: 1573-4803
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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  • 10
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    Long-Wave Penetration through a Laterally Periodic Continental Shelf (2020)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2020-04-01
    Description: The transformation of long waves—such as tsunamis and storm surges—evolving over a continental shelf is investigated. We approach this problem numerically using a pseudo-spectral method for a higher-order Euler formulation. Solitary waves and undular bores are considered as models for the long waves. The bathymetry possesses a periodic ridge-valley configuration in the alongshore direction which facilitates a means by which we may observe the effects of refraction, diffraction, focusing, and shoaling. In this scenario, the effects of wave focusing and shoaling enhance the wave amplitude and phase speed in the shallower regions of the domain. The combination of these effects leads to a wave pattern that is atypical of the usual behavior seen in linear shallow-water theory. A reciprocating behavior in the amplitude on the ridge and valley for the wave propagation causes wave radiation behind the leading waves, hence, the amplitude approaches a smaller asymptotic value than the equivalent case with no lateral variation. For an undular bore propagating in one dimension over a smooth step, we find that the water surface resolves into five different mean water levels. The physical mechanisms for this phenomenon are provided.
    Electronic ISSN: 2077-1312
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Molecular Diversity Preservation International
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