Method of detecting oil spills at sea using a shipborne navigati

Details Method of detecting oil spills at sea using a shipborne navigati Method of detecting oil spills at sea using a shipborne navigati

1989-05-30

1990-06-12

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

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342 26, G01S 1300

Patent

active

049336789

ABSTRACT:
A method is provided wherein standard shipborne navigational radar is used for the purpose of detecting oil-spills on the sea. A homogenous sea-return image is obtained by selectively reducing the sea-clutter, rain, and haze filters of the radar while selectively increasing the gain of the radar. Because oil-spills on the surface of the water minimize the backscatter of radar waves, the location of an oil-spill may be determined by identifying characteristic distortions in the form of zones of diminished sea-return in the homogenous sea-return image. A moving oil spill may be tracked with repeated observations.

REFERENCES:
patent: 3016529 (1962-01-01), Kramp
patent: 3893110 (1975-07-01), Drake
patent: 4172255 (1979-10-01), Barrick et al.

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