Solar-stimulated inelastic light scattering in clear seawater

Chuanmin Hu; Kenneth John Voss

doi:10.1117/12.266453

6 February 1997 Solar-stimulated inelastic light scattering in clear seawater

Chuanmin Hu, Kenneth John Voss

Proceedings Volume 2963, Ocean Optics XIII; (1997) https://doi.org/10.1117/12.266453
Event: Ocean Optics XIII, 1996, Halifax, Nova Scotia, Canada

Abstract

Solar Fraunhofer lines are used as indicators of the inelastic light scattering in the sea water. Data from both in-shore and off-shore are presented and compared with results of theoretical modeling. Very good agreement is found between the modeled and measured proportion of inelastic to elastically scattered and direct light at 589 nm when the Raman scattering coefficient of Marshall and Smith is used, as opposed to that of Slusher and Derr. At 656 nm the agreement is not as good, indicating possible interference from other sources such a Chlorophyll fluorescence. Recent work has extended the measurements of include smaller absorption lines, such as 689 nm, where significant filling has been measured at the surface due to the Chlorophyll fluorescence. This technique allows the natural fluorescence to be measured, even at the surface where there is still a significant amount of direct solar light.

Citation Download Citation

Chuanmin Hu and Kenneth John Voss "Solar-stimulated inelastic light scattering in clear seawater", Proc. SPIE 2963, Ocean Optics XIII, (6 February 1997); https://doi.org/10.1117/12.266453

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