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SOME ACOUSTIC FEATURES OF TilE LBVANTlNBSEA
I.A. MAIYZA ·and A.A.H. EL – GIND.Y” • Inst1tute of OCeanography and F1shertes. Alexandrta. Egypt .

••Dept. of OCeanography. Faculty of Science. Alexandria Untvers1ty. Egypt.

ABSTRACT
Hydrographic data collected in wfnter and I_r
art used to study the horizontal dfstr1butfO”1 of
the .an ver~fcal sound speed. the lound SDeed alon,
the sound channel uti and the depth of that a.”.
S1_nar features are observed in wfnter and Slllllllltr.
The shallower Channel axfs and the lower sound speed
are found in the north area. where cyclonic eddfes
are actfng. whfle deeper channel an4 higher sound
speeds …… found in the south and near contfnental
shel f. Due to presiurt effect on sound speed at
deep ‘stations. the .an vertical sound speed fn
th. dp,p ar’ll .re hfgh.r th.ft th.t “t.r the
continental shelf. Generally sound speed fa higher
in su..er tn the Levantfne Sea.