Textual listing examples

ocean temperature
  UF:   temperature (ocean)
  BT:   ocean characteristics
  NT:   sea surface temperature
  RT:   atmospheric sciences
        ocean sciences
  SN:   Includes discussion and measures
        of both in situ and potential
        temperature.
  DF:   Distribution of heat in the oceans,
        including surface water, thermocline
        and mode waters, and deep waters.

ocean wave measurement
  US+:  field inventory and monitoring
        ocean waves

ocean waves
  UF:   water waves
  UF+:  ocean wave measurement
  BT:   ocean processes
  NT:   tsunamis
  RT:   ocean sciences
  DF:   Oscillatory movement of water
        in the ocean manifested by an
        alternate rise and fall of a
        surface in or on the water.
        [Glossary of Geology, 4th ed.]