Spatial distribution of sound speed (m/s)-at sea surface
Spatial variation of channel axis dapth (m) at the channel axis
Spatial variaton of channel axis dapth (m) Fig. 1
Spatial variaton of channel axis dapth (m)
Fig. 1
Fig. 2 Annual mean sound speed profiles.
Fig. 3 Ray lounch ongle vs Travel time for a range of 300km.
Fig. 4 Intensity loss over 300km range.
Fig. 5 Acoustic energy loss at 400Hz due to (a) boric acid; (b) magunesium sulphate; (c)pure water and (d) total absorption
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