Abstract
Sediment tomography experiments using broadband shots are planned as part of the Asian Seas International Acoustic Experiment (ASEAEX) in the East China Sea (ECS) in the year 2001. In order to gather adequate sediment information, gravity cores were taken from the experimental location during the spring of 2000. Using the gravity core data and available historic data, a sediment geoacoustic model for the region is presented. Synthetic experiments are performed with this geoacoustic model using broadband data. Various configurations of the explosive sources are tested to arrive at a suitable experimental geometry for the tomography experiment. This inversion is based on group speed dispersion of the broadband acoustic signal and is capable of estimating range-dependent sediment properties. [Work sponsored by ONR.]
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