Application of the composite roughness model to high‐frequency bottom backscattering

摘要: The composite roughness model is applied to bottom backscattering in the frequency range 10–100 kHz. For angles near normal incidence, replaced by Kirchhoff approximation which gives better results. In addition, sediment volume scattering treated, with account taken of refraction and reflection at randomly sloping interface. applying published data it found that dominant soft sediments except small large grazing angles. coarse sand bottoms, dominates over a wide Implications for acoustic remote sensing are discussed.