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  • 1
    Electronic Resource
    Electronic Resource
    Array analysis of the large-aperture array of the 1988–89 PASSCAL Basin and Range Passive-Source Seismic Experiment (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 116 (1994), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: The 1988–89 PASSCAL Basin and Range Passive-Source Seismic Experiment consisted of two array deployments, the large- and small-aperture arrays. The large-aperture array consisted of seven stations with three-component mid-period seismometers, and independently triggered prototype PASSCAL data recorders with GOES clocks. The array spatial distribution and the synchronized data have permitted us to employ simple beamforming operations to improve receiver-function estimation from single teleseismic events. The beamforming reinforces the coherent teleseismic P wave and the deterministic portions of the P-wave coda, primarily generated by interactions at major lithospheric interfaces. Microseismic background noise is incoherent across the array, and is attenuated by beamforming. Beamforming also diminishes those portions of the coda due to scattering by inhomogeneities, that appear random on the scale of the array aperture. The enhanced signal-to-noise ratio of the teleseismic recording dramatically improves the single-event receiver function deconvolution results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1994.tb03285.x
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Active foundering of a continental arc root beneath the southern Sierra Nevada in California (2004)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 431 (2004), S. 41-46 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Seismic data provide images of crust–mantle interactions during ongoing removal of the dense batholithic root beneath the southern Sierra Nevada mountains in California. The removal appears to have initiated between 10 and 3 Myr ago with a Rayleigh–Taylor-type instability, but ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature02847
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Implications of crustal property variations for models of Tibetan plateau evolution (1997)
    [s.l.] : Macmillan Magazines Ltd
    Nature 387 (1997), S. 37-43 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Shear-coupled teleseismic P waves sampling the interior of the Tibetan plateau provide evidence of systematic variations in crustal structure. The crust thins by up to 20 km from south to north with a concomitant increase in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/387037a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    P-waveform analysis for local subduction geometry south of Puget Sound, Washington (1990)
    Springer
    Pure and applied geophysics 133 (1990), S. 349-365 
    Details
    ISSN: 1420-9136
    Keywords: Cascadia ; subduction ; receiver functions ; P-waves ; converted phases ; seismic structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The local subduction geometry at a site south of Puget Sound in western Washington is investigated using teleseismicP-waveforms recorded on a three-component event triggered seismograph. The data are processed using source equalization deconvolution in order to isolate locally convertedP-to-S arrivals and stacked to improve the signal-to-noise ratio. Stable arrivals in the radial component indicate an oceanic Moho within the subducted slab at a depth of about 53 km beneath the station. Observed amplitude variations with azimuth in the radial data, as well as qualitative aspects of the tangential data, are used to establish a slab dip of 16° to the southeast. Our results are compatible with previous results from a site 60 km to the west, and further confirm a substantial warp in the regional geometry of the subducted Juan de Fuca plate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00877168
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    Paper (German National Licenses)
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  • 5
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    Seismic evidence for an ancient rift beneath the Cumberland Plateau, Tennessee: A detailed analysis of broadband teleseismic P waveforms (1984)
    AGU (American Geophysical Union) | Wiley
    In:  Journal of Geophysical Research: Solid Earth, 89 (B9). pp. 7783-7795.
    Details
    Publication Date: 2020-06-19
    Description: Broadband receiver functions developed from teleseismic P waveforms recorded on the midperiod passband of Regional Seismic Test Network station RSCP are inverted for vertical velocity structure beneath the Cumberland Plateau, Tennessee. The detailed broadband receiver functions are obtained by stacking source‐equalized horizontal components of teleseismic P waveforms. The resulting receiver functions are most sensitive to the shear velocity structure near the station. A time domain inversion routine utilizes the radial receiver function to determine this structure assuming a crustal model parameterized by many thin, flat‐lying, homogeneous layers. Lateral changes in structure are identified by examining azimuthal variations in the vertical structure. The results reveal significant rapid lateral changes in the midcrustal structure beneath the station that are interpreted in relation to the origin of the East Continent Gravity High located northeast of RSCP. The results from events arriving from the northeast show a high‐velocity midcrustal layer not present in results from the southeast azimuth. This velocity structure can be shown to support the idea that this feature is part of a Keweenawan rift system. Another interesting feature of the derived velocity models is the indication that the crust‐mantle boundary beneath the Cumberland Plateau is a thick, probably laminated transition zone between the depths of 40 and 55 km, a result consistent with interpretations of early refraction work in the area.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/JB089iB09p07783
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 6
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    Unknown
    Structure of the Sierra Nevada from receiver functions and implications for lithospheric foundering (2011)
    Geological Society of America (GSA)
    Details
    Publication Date: 2011-08-01
    Description: Receiver functions sampling the Sierra Nevada batholith and adjacent regions exhibit significant variations in the structure of the crust and upper mantle. Crustal Vp/Vs values are lower in the core of the batholith and higher in the northern Sierra Nevada, portions of the Basin and Range, and near young volcanic fields in the eastern Sierra Nevada and Owens Valley. P- to S-wave conversions from the Moho vary from high amplitude and shallow (〉25% of the direct P-arrival amplitude, 25-35 km depth) along the eastern Sierra Nevada to low amplitude and deep (
    Electronic ISSN: 1553-040X
    Topics: Geosciences
    Published by Geological Society of America (GSA)
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