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OPTIMIZATION AND EVALUATION OF A FLUORESCENCE OIL SPILL DETECTOR. VOLUME 1. LABORATORY MEASUREMENTS AND FIELD EVALUATION
William A. Webb, Herman G. Eldering
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Abstract
The work described in this report was directed at maximizing the detection range of an automatic fluorescence oil spill detector and evaluating the detection capabilities of this detector against a wide range of petroleum oils. On the basis of this evaluation, a Scanning Oil Spill detector was designed. Corrected fluorescence spectra of 22 petroleum oils at several film thicknesses are presented, and fluorescence spectral distribution and intensity of these oils are compared. A detection algorithm which discriminates oil from marine fluorescence on the basis of fluorescence measurements in two spectral regions is described. Laboratory and field tests demonstrated that oil fluorescence may be automatically and consistently discriminated from marine fluorescence.