A current in a

fluid In physics, a fluid is a liquid, gas, or other material that may continuously motion, move and Deformation (physics), deform (''flow'') under an applied shear stress, or external force. They have zero shear modulus, or, in simpler terms, are M ...

is the magnitude and direction of flow within each portion of that fluid, such as a liquid or a gas. Types of fluid currents include: * Air current * Water current ** Current (hydrology), a current in a river or stream **

Ocean current An ocean current is a continuous, directed movement of seawater generated by a number of forces acting upon the water, including wind, the Coriolis effect, breaking waves, cabbeling, and temperature and salinity differences. Depth contours, sh ...

*** Longshore current *** Boundary current *** Rip current *** Rip tide *** Subsurface currents **** Turbidity current *** Tidal current

See also