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Monday, August 10, 2020 | History

2 edition of 1986 GLIMPCE seismic reflection survey stacked data found in the catalog.

1986 GLIMPCE seismic reflection survey stacked data

1986 GLIMPCE seismic reflection survey stacked data

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Published by Dept. of the Interior, U.S. Geological Survey, [Books and Open-file Reports Service, distributor] in [Denver, Colo.?] .
Written in English

    Subjects:
  • Seismic reflection method -- Data processing.,
  • Seismology -- Great Lakes Region.

  • Edition Notes

    Other titlesGLIMPCE seismic reflection survey stacked data.
    Statementby W.F. Agena ... [et al.].
    SeriesU.S. Geological Survey open-file report -- 88-386.
    ContributionsAgena, W. F., Geological Survey (U.S.)
    The Physical Object
    FormatMicroform
    Pagination3 microfiches
    ID Numbers
    Open LibraryOL17836401M

    Seismic Amplitude is an invaluable day-to-day tool for graduate students and industry professionals in geology, geophysics, petrophysics, reservoir engineering, and all subsurface disciplines making regular use of seismic by: By geophysical signals, they mean seismic reflection data exclusively. In this reviewer's opinion, the book is successful in providing a bridge, but only for a restricted range of topics which have been so well-trodden that the existence of the gap for them is open to doubt, The book is exceptionally well produced having a wealth of diagrams.

      Geometrics, Inc. - - September r4a 8 Survey geometry – coordinates • At a minimum, relative x, y spacing is required – Easiest to save to the file header at time of acquisition, but can also be assigned in data analysis software – Set y equal to zero, and vary x values only (or vice versa) – Some deviation from. Traces from different shot records with a common reflection point, such as common midpoint (CMP) data, are stacked to form a single trace during seismic processing. Stacking reduces the amount of data by a factor called the fold.

    Initial goals of the seismic survey were to characterize the seismic response of the site and to collect reflection profile data coincident with specific lines of the more densely spaced GPR data. Previous work in coastal plain sedimentary environments (Miller, et al., ) suggested that most. This study uses seismic refraction data from the Great Lakes International Multidisciplinary Program on Crustal Evolution (GLIMPCE) experiment. Part of the GLIMPCE experiment included the recording of a km long, wide- angle refraction profile which extended across Lake Superior from north to south (Figure 1).


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1986 GLIMPCE seismic reflection survey stacked data Download PDF EPUB FB2

GLIMPCE seismic reflection survey stacked data; Great Lakes region. Get this from a library. GLIMPCE seismic reflection survey stacked data. [W F Agena; Geological Survey (U.S.);]. During August and September ofkm of deep crustal marine multichannel seismic reflection data were collected in the Great Lakes region as part of the Great Lakes International Multidisciplinary Program on_Crustal Evolution (GLIMPCE).Author: W.F.

Agena, M.W. Lee, D.R. Hutchinson, John C. Behrendt, W.F. Cannon, A.G. Green. Seismic reflection surveys by the Great Lakes International Multidisciplinary Program on Crustal Evolution in imaged much of the deep structure of the rift beneath the lake in detail.

GLIMPCE Seismic reflection evidence of deep-crustal and upper-mantle intrusions and magmatic underplating associated with the Midcontinent Rift system of North America Author links open overlay panel J.C. Behrendt 1 D.R. Hutchinson 2 M. Lee 1 C.R. Thornber 1 A. Tréhu 3 W. Cannon 4 A. Green 5Cited by: Data acquisition and processing GLIMPCE seismic reflection data were gener- ated using a tuned airgun array of approximately litres ( in3), a m streamer with 25 m hydrophone arrays, and a channel data acquisition system.

A shot point spacing of 50 or m resulted in or fold by: Activities in the Lake Superior region included seismic reflection and refraction surveys conducted in and aeromagnetic surveys in These surveys provided new information on the character of the Midcontinent Rift System around and beneath Lake : W.

Cannon. The Great Lakes International Multidisciplinary Program on Crustal Evolution (GLIMPCE) was initiated in late by Canadian and U.S. scientists who share a. Seismic Refraction. The seismic refraction method is based on the measurement of the travel time of seismic waves refracted at the interfaces between subsurface layers of different velocity.

Seismic energy is provided by a source ('shot') located on the surface. For shallow applications this normally comprises a hammer and plate.

Seismic 2D Reflection Processing and Interpretation of Shallow Refraction Data ABSTRACT Posiva Oy takes care of the final disposal of spent nuclear fuel in Finland. In year Olkiluoto was selected for the site of final disposal.

Currently construction of the underground research facility, ONKALO, is going on at the Olkiluoto site. Line F of the GLIMPCE deep marine reflection seismic survey has been reprocessed according to a data-dependent strategy aimed at enhancing the fine structural features of the Midcontinent Rift System in eastern Lake by: 3.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

The GLIMPCE experiment (Great Lakes International Multidisciplinary Program for Crustal Evolution) was a combined on‐ship seismic reflection and onshore seismic refraction experiment designed to Cited by: Location map of GLIMPCE seismic reflection profiles in Lake Superior overlain on a simplified geological map (after Trehu et al., ).

The thick solid line shows seismic reflection. Crustal Evolution (GLIMPCE). They are described in Behrendt and others (). During the seismic-reflection survey, channel data were recorded to 20 seconds (s) at a 4-ms sample rate.

The system utilized a 3,m streamer configured with a airgun tuned array, and had a capacity of liters ( in.).Author: John C. Behrend, Alan G. Green. Simultaneous inversion of reflection and refraction seismic data and application to field data from the northern Rio Grande rift B.

Wang. Department of Earth and Atmospheric Sciences, Civil Engineering Building, Purdue University. Results from GLIMPCE deep seismic reflection profiles,Cited by: Static corrections for seismic reflection surveys Author(s) supplemented with many data examples.

This book details differences in approaches that must be considered among 2D, 3D, and crooked-line recordings as well as between P-wave and S-wave surveys.

Static corrections for seismic reflection surveys. Author(s): Mike Cox. Seismic Reflection: Analysis of seismic refraction data is primarily based on interpretation of critical refraction travel times.

Source for a seismic survey source has to be chosen bearing in mind the possible signal attenuation that can occur, often a function of the geology. C Seismic refraction – single horizontal interface The P-wave is refracted at the interface between the two layers.

Since v1 > v2 the wave is refracted towards the horizontal. As the angle of incidence is increased, the geometry results in a head wave travelling horizontally in layer 2.

From Snell’s Law we can write: 1 2 sin sin 90 v v o File Size: 2MB. Abstract. Water depth variations in marine reflection seismic profiling cause velocity push-down and, in regions of rapid fluctuations of the water-bottom slope, stack degradation.

Static corrections are a very satisfactory and practical solution to these problems under typical survey conditions with water depths not exceeding a few hundred metres Cited by: 1.

The reprocessing of line F of the GLIMPCE deep marine reflection seismic survey according to controlled-amplitude principles provides new insights on the crustal structure of Cited by: 6.The profiles were collected in September by the U.S. Geological Survey (USGS) and the Geological Survey of Canada under contract as part of the Great Lakes International Multidisciplinary Program on Crustal Evolution (GLIMPCE).

The USGS has provided these data to NGDC (now NCEI) for public dissemination. During the seismic reflection survey, channel data .Reflection seismology (or seismic reflection) is a method of exploration geophysics that uses the principles of seismology to estimate the properties of the Earth's subsurface from reflected seismic method requires a controlled seismic source of energy, such as dynamite or Tovex blast, a specialized air gun or a seismic vibrator, commonly known by the trademark .