Abstract
Many of the recent low-frequency bottom loss experiments, although conducted by different investigators in diverse geographical locations and using different experimental procedures, have resulted in the paradoxical observance of “negative”, bottom loss values. It has been conclusively shown in the previous paper that artifacts of the experimental procedures need not be the explanation for the anomaly. The contention of this paper is that the “negative” loss anomaly results from the application of models which do not account for the time coincident interaction of ocean bottom reflected energy with subbottom energy returning to the water column. This hypothesis will be supported by presenting and discussing a Fast Field Program (FFP) time domain simulation where the lateral wave is the only additional arrival interacting with the arrival of the reflected wave. [This work was sponsored by Naval Sea Systems Command, SEA 06H1-4, A.P. Franceschetti.]
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