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    Characterizing biogenous sediments using multibeam echosounder backscatter data - Estimating power law parameter utilizing various models

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    J_Acoust_Soc_India_29_282.pdf (204.5Kb)
    Date
    2001
    Author
    Chakraborty, B.
    Kodagali, V.N.
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    Abstract
    In this paper, Helmholtz-Kirchhoff (H-K) roughness model is employed to characterize seafloor sediment and roughness parameters from the eastern sector of the Southern Oceans The multibeam- Hydroswcep system's angular-backscatter data, which is operable at 15.5 kHz, is used in this study Estimated power law parameters using H-K and composite roughness models are compared from the same areas. Interestingly, multibeam backscatter study result establishes a relationship between the power law parameters with the biogenous sediment type (calcareous/ siliceous) The combined application of the two models is found to be complementing each other for bottom roughness estimation
    URI
    http://drs.nio.org/drs/handle/2264/475
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