题目内容

________________________ is defined as the temperature of a parcel of water at the sea surface after it has been raised adiabatically from some depth in the ocean.

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In oceanography, a ___________________________is a boundary between two distinct water masses with different temperatures, salinities, or densities.

The year-to-year variations of annual or seasonal averages are called _____________.

A. diurnal variability
B. intraseasonal variability
C. interannual variability
D. decadal variability

________________ is a dimensionless number used to distinguish the laminar flow and the turbulent flow.

A. Reynolds number
B. Ekman number
C. Aspect ratio
D. Rossby number

is/are the correct statement(s) for the warm mesoscale eddies.

A. warm eddies rotate cyclonically
B. the surface bulges up in the core
C. the isopycnals dip down in the core
D. warm eddies have a low-pressure center
E. warm eddies are more often associated with upwelling

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