Sound Speed Structure of the Western South Atlantic Ocean

Released on by Don F. Fenner
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  • Sound Speed Structure of the Western South Atlantic Ocean Book Detail

  • Author : Don F. Fenner
  • Release Date : 1982
  • Publisher :
  • Genre :
  • Pages : 47
  • ISBN 13 :
  • File Size : 95,95 MB
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Sound Speed Structure of the Western South Atlantic Ocean by Don F. Fenner PDF Summary

Book Description: The sound speed structure of the western South Atlantic Ocean is far more variable than that found in the North Atlantic or North Indian Oceans, largely due to hemispheric position and a wide variety of surface, near-surface, intermediate depth, and near-bottom water masses. In the South Atlantic, summer is defined as January-March and winter as July-September. The wide variety of temperature and salinity variability throughout the western South Atlantic leads to entirely differently shaped sound speed profiles and entirely different values of the depth of the deep sound channel axis and critical depth. These differences undoubtedly have significant effects on acoustic propagation. This report examines western South Atlantic sound speed variability along three cross-sections for both summer and winter, relates variability in sound speed structures to surface currents, the Antarctic Intermediate Water, Mediterrannean Intermediate Water, and Antarctic Bottom Water core flows west of the Mid-Atlantic Ridge, and defines the number of observations deeper than the depth of the deep sound channel axis during both summer and winter for the entire South Atlantic Ocean between the Equator and 45 S latitude. (Author).

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