139 - UMPQUA OFFSHORE, OR   Notice:02/01/2019 New mooring

SEA/SWELL PLOT DESCRIPTION

By selecting a cut-off period (usually 10 seconds), the total energy in all bands less than the cut-off (the sea), is plotted in green, and the total energy in all bands greater than the cut-off (the swell) is plotted in blue for each run (30 minute file).