. "SDN:S06::S0600109" . . "false" . . . "Wave period is the time between two successive designated events in the waveform. A wave crest event is the transition between increasing water level to decreasing water level."@en . . . "Tc" . "2017-12-07 15:19:02.0" . "SDN:S06::S0600109" . . . . . "1" . "2017-12-07 15:19:02.0" . . . "Wave crest period"@en . . . "SDN:S06::S0600109" . "accepted"@en . . "1" .