Abstract
Acoustic propagation experiments have been carried out in the Florida Straits with a multi‐frequency broadband source that transmitted M‐sequence pulses over a range of 10 km to a sparse‐filled vertical line array. The sound source was cycled in octaves from 100 Hz to 3200 Hz, transmitting each octave for one hour. This paper presents results of matched field inversions of the acoustic field data to estimate geoacoustic model parameters for the experimental site. The inversion is very sensitive to the sediment sound speed at the sea floor. The estimated value of 1560 m/s is consistent with fine‐grain calcareous sand material that is considered to represent ground truth for the site.
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