Fig. 6 (a) Vertical section of sound speed across the cold core eddy in the western Bay of Bengal and (b) contours of acoustic intensity.
Fig. 7 Waterfall plot showing measured signal arrivals at the receiver.
Fig. 8 Identification of eigen rays pradicted with meeasured arrivals.
Fig. 9 Sound speed profiles (top) and typical acoustic ray path (5°ray, bottom) simulated along 75°E meridional transect from Heard Island to Indian listening station.