Method and apparatus for detection of insoluble sinking pollutan

Details Method and apparatus for detection of insoluble sinking pollutan Method and apparatus for detection of insoluble sinking pollutan

1981-05-08

1983-10-18

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Echo systems

367106, 367113, G01S 1502, G01S 752

Patent

active

044109660

ABSTRACT:
A method and apparatus for locating and mapping a pool of a pollutant (12) in a body of water (11) comprising the steps of scanning the bottom of said body of water with ultrasonic energy using a transducer (10) periodically pulsed to project pulse envelopes of acoustic energy downwardly to the bottom (14) of the body of water and receiving echo returns from the bottom preceded by echo returns from a reflective interface (13) with a pool of pollutant, if present. The presence of an echo return from an interface (13) as a precursor to an echo return from the bottom indicates the presence of the pool of pollutant at the navigational position of the transducer as the process of scanning continues. Locating and marking the perimeter of the pool permits rapid clean up operations to be directed.

REFERENCES:
patent: 3332056 (1967-07-01), Drenkelfort
patent: 3388377 (1968-06-01), Folsom et al.
patent: 3742438 (1973-06-01), Brede et al.
patent: 3746121 (1973-07-01), Niklas
patent: 4001764 (1977-01-01), Holland et al.
Meyer et al., Proc. 1980 National Confer. on Control of Hazardous Material Spills, May 13-15, 1980, pp. 168-173.
Heath Co. Manual, Depth Sounders MI-1030 and MI-2900, pp. 1-31.

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