Depth and currents, Biology

Depth and Currents

  • Depth

The sea is very deep varying in different regions. Generally life extends to all depths but is confined more to the continental shelf and islands.

  • Currents

The sea is in continuous circulation by means of currents. These may be either, wind driven surface currents of deeper currents, resulting from variations in temperature and salinity.

  • Waves and tides

The sea is dominated by several kinds of waves and tides, which are produced by the pull of moon and sun.

Posted Date: 1/19/2013 5:56:33 AM | Location : United States







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