# Tag Info

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In general, the term barotropic means motion that occurs in phase over the entire water column, i.e., motion at the surface occurs at the same time as motion at depth, although not necessarily at the same amplitude (surface amplitudes are higher). Baroclinic means motions that have vertical structure and may not have any surface expression at all. Internal ...

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Although the moon and sun are the major forces that displace water across the earth, there are other forces that influence motion. The primary bulging of tides creates baroclines, which, influenced by seafloor topography sets up gradient potentials that can lead to periodic internal waves and tidal currents. This secondary effect is barotropic tidal forcing. ...

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The unit langley is amount of energy distributed over an area found in solar radiation, named after Samuel Pierpont Langley. The conversion is straight-forward: $$1\frac{\rm ly}{\rm min}=697.3\,\frac{\rm W}{\rm m^2}$$ So you'll have to do some more unit conversions to get the ly/day to W/m$^2$ conversion. See also this site for other unit conversions ...

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