Bottom-mounted profiling winch
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A winch has been developed which can be free-dropped to the ocean bottom in full ocean depths. The winch is powered by self-contained batteries and can be programmed to cycle self-recording instruments from close to the bottom to 100 meters above the bottom continuously or in steps. A typical scenario is envisioned as one complete cycle per day for one year with the instruments pausing each five meters for two minutes while measurements of current, temperature and conductivity are made. The upper section of the tripod contains the winch and instrumentation and is recovered by sending an acoustic command to a release mechanism allowing it to come to the surface.
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Berteaux, Henri O.; Bocconcelli, Alessandro; Koelsch, Donald E.; Stephen, Ralph A. (Woods Hole Oceanographic Institution, 1990-12)The following report describes the scientific motivations for the use of a Sea Floor Winch System for Wireline Re-entry of Deep Sea Boreholes and presents a conceptual design for the winch system.
Berteaux, Henri O.; Walden, Robert G.; Bonde, Leslie W.; Bird, J. D. (Woods Hole Oceanographic Institution, 1985-03)The following is a report on the findings of a study conducted by the Woods Hole Oceanographic Institution to assess the needs and the means for improving the conventional intermediate winches used in the oceanographic ...
Balmforth, Neil J.; Llewellyn-Smith, Stefan; Hendershott, Myrl; Garrett, Christopher (Woods Hole Oceanographic Institution, 2005-07)The summer of 2004 saw the GFD program tackle “Tides”. Myrl Hendershott (Scripps Institution of Oceanography) gave a fabulous introduction to the subject in the first week of the course, laying the foundations from ...