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Field comparison of shallow P-Wave seismic sources near Houston, Texas
Miller, Richard D. Pullan, Susan E. Steeples, Don W. Hunter, James A.
Miller, Richard D.
Pullan, Susan E.
Steeples, Don W.
Hunter, James A.
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Abstract
A shallow P‐wave seismic source comparison was conducted at a site near Houston, Texas where the depth to the water table was approximately 7 m, and near‐surface materials consisted of clays, sands, and gravels. Data from twelve different sources during this November 1991 comparison are displayed and analyzed. Reflection events are interpretable at about 40 ms on some 220-Hz analog low‐cut filtered field files, and at 60 ms on most 110‐ and 220-Hz analog low‐cut filtered field files. Calculations and local water well information suggest the 40-ms event is from the top of the water table. Subsurface explosive sources seem to possess the highest dominant frequency, broadest bandwidth, and recorded amplitudes and, therefore, have the greatest resolution potential at this site. Our previous work and that of our colleagues suggests that, given a specific set of site characteristics, any source could dominate the comparison categories addressed here.
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This is the publisher's version, also available electronically from "http://library.seg.org".
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1994-11-01
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Society of Exploration Geophysicists
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Richard D. Miller, Susan E. Pullan, Don W. Steeples, and James A. Hunter (1994). ”Field comparison of shallow P‐wave seismic sources near Houston, Texas.” Field comparison of shallow P‐wave seismic sources near Houston, Texas, 59(11), 1713-1728. http://dx.doi.org/10.1190/1.1443558