Abstract

The paper concerns experimental investigation of the dynamics in laser-induced fluorescence spectra emitted by various types of oil pollution (light and heavy petroleum distillates, crude oil) on the earth surface, using an eye-safe 0.355 µm fluorescence induction wavelength. We show that in terms of time, the signal of laser-induced fluorescence generated by oil pollution on the earth surface diminishes more slowly than that generated on the water surface in the same circumstances. However, even though the signal of laser-induced fluorescence on the earth surface (after oil pollution) takes more time to diminish, in a few hours or days after oil spillage (depending on the type of petroleum product) the signal of laser-induced fluorescence generated by oil pollution becomes comparable to that of natural objects (such as various vegetation types) on the earth surface

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