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Illuminating Ocean Optics: The Role of In Situ VSF Measurements in Understanding Light Scattering

July 9, 2025

Light scattering in the ocean is described by the Volume Scattering Function (VSF)—an Inherent Optical Property (IOP) that describes how light is scattered at different angles in water. For oceanographers, in situ measurements of the VSF are essential for decoding the underwater light field and improving our understanding of ocean optics.

Several Sequoia instruments measure (part of) the VSF. For example the LISST-VSF, LISST-200X, LISST-Deep, and Hyper-bb. Learn more in our article here!

LISST-VSF in excellent company on the North Pole: Håkon Sandven, Bjørnar Hallaråker Røsvik & Henrik Hellem