An Ocean Bottom Hydrophone instrument for seismic refraction experiments in the deep ocean |
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Authors: | Donald E Koelsch G M Purdy |
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Institution: | (1) Department of Geology and Geophysics, Woods Hole Oceanographic Institution, 02543 Woods Hole, Massachusetts, USA |
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Abstract: | Tests of a new Ocean Bottom Hydrophone (obh) instrument have recently been completed at Woods Hole Oceanographic Institution. This instrument is designed to float 3 m above the seafloor at depths of up to 6100 m for periods of up to 10 days and continuously records the output of a single hydrophone on a four-channel 0.064 cm/s (1/40 in./s) analog magnetic tape recorder. This instrument has an acoustic transponder and release system and is designed primarily for multiple deployments as a fixed ocean bottom receiver for seismic refraction work.Contribution No. 4174 of the Woods Hole Oceanographic Institution. |
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