estimating geoacoustic properties of sediments with a wide grain-size distribution using sediment organic content and the viscous grain shearing model
Interstitial organic matter (OM) is a common component of marine sediment and is frequently measured across a variety of fields.
It is especially common in sediments with high silt/clay fractions. OM hasn't been accounted for in sediment acoustics models despite the fact that it suspends silt and clay particles in the sediment matrix, adheres to mineral surfaces, and typically lives between mineral contacts, all of which are thought to affect geoacoustic characteristics.
Recent research on sediments from the Baltic Sea, Texas, seagrass-bearing sediments, and mud banks in Brazil has demonstrated that OM content (OC) corresponds strongly with sediment geoacoustic characteristics, including porosity and index of impedance.
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