. . "SDN:P07::CFSN0378" . "2" . "Swell waves are waves on the ocean surface and are the low frequency portion of a bimodal wave frequency spectrum. Significant wave height is a statistic computed from wave measurements and corresponds to the average height of the highest one third of the waves, where the height is defined as the vertical distance from a wave trough to the following wave crest."@en . . "accepted"@en . "" . . . . . "sea_surface_swell_wave_significant_height"@en . . . . "false" . . . "SDN:P07::CFSN0378" . . "SDN:P07::CFSN0378" . . "2016-07-19 15:18:51.0" . . "2016-07-19 15:18:51.0" . . "2" .