. . "SDN:P07::CFSN0389" . . . "1" . . . . "2006-09-26 18:12:43.0" . "1" . "SDN:P07::CFSN0389" . "accepted"@en . "false" . . . "" . . "A period is an interval of time, or the time-period of an oscillation. Wind waves are waves on the ocean surface. Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.)"@en . "2006-09-26 18:12:43.0" . . . . "sea_surface_wind_wave_period"@en . . "SDN:P07::CFSN0389" . .