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Bioluminescence bathyphotometer

  • US 5,264,906 A
  • Filed: 07/08/1992
  • Issued: 11/23/1993
  • Est. Priority Date: 07/08/1992
  • Status: Expired due to Fees
First Claim
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1. A vertical profiling oceanic survey system, including a bioluminescence bathyphotometer which comprises:

  • a longitudinal axis;

    a tubular detector chamber, extending along the axis, having an inlet at one end, an outlet at an opposite end, and a capacity of at least 11 liters;

    pumping means, disposed adjacent the detector chamber outlet, for drawing seawater through the detector chamber at a selected rate of flow, the pumping means having a maximum rate of flow of at least 30 liters per second;

    flowmeter means for measuring the flow rate of seawater through the bathyphotometer;

    a calibrated hydromechanical stimulus means, disposed adjacent the detector chamber inlet, for generating a defined turbulence field at the detector chamber inlet to stimulate bioluminescent plankton in the seawater flowing therethrough to generate light; and

    light sensing means for sensing light emitted by bioluminescent plankton in the seawater flowing through the detector chamber.

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