Water column reflectivity refers to the fraction of incident electromagnetic radiation (typically acoustic or optical) that is backscattered or reflected by the water column as opposed to being absorbed, transmitted, or scattered forward, and is a key parameter in remote sensing and underwater acoustics. It arises from spatial and temporal variations in temperature, salinity, suspended particles, bubbles, and biological constituents, which create impedance or refractive index contrasts. Quantification of water column reflectivity underpins interpretation of sonar returns, lidar and ocean color signals, and is critical for characterizing water mass structure, suspended sediment plumes, gas seeps, and biological layers in the water column.
Science never stops. Get notified about trending stories.
