Simplified method of deep-tow seismic profiling |
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Authors: | James M Robb Richard E Sylwester Ronald Penton |
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Institution: | (1) U.S. Geological Survey, 02543 Woods Hole, MA;(2) ORE, Inc., 02541 Falmouth, MA |
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Abstract: | To improve resolution of seismic-reflection profiles in continental slope water depths of 900 to 1500 m, a single hydrophone
was towed about 150 m off the bottom to receive reflected signals from a surface-towed sparker sound source. That deep-towed
hydrophone data show that valleys which appear V-shaped in records from a surface-towed hydrophone are flat-bottomed, and
that subbottom reflections from an erosional unconformity can be much better resolved. The data produced by this technique
are very hepful when used in conjunction with records from conventional surface-towed seismic-profiling equipment. |
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