semidiurnal tide

semidiurnal tide

[¦sem·i·dī′ərn·əl ′tīd]
(oceanography)
A tide having two high waters and two low waters during a tidal day.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Both the mysis and postlarval phases of the pink shrimp Penaeus duorarum use tidal flow transport (TFT) during the semidiurnal tide throughout its dispersal in the Florida internal platform (Criales et al., 2007).
And Liberia has a semidiurnal tide when there is a spill the oil may persist longer on the shoreline even when the spill happens offshore
Bian: Solar Semidiurnal Tide in the Troposphere: Detection by Radar Profiles, Bull.
Local tidal characteristics along the eastern Canadian seaboard result from a combination of diurnal tides and semidiurnal tides. The diurnal tide repeats itself every 24.8 hours, and the semidiurnal tide every 12.4 hours (see insert, lower left hand side of Fig.
The appearance of "higher harmonics" (whose frequencies are a multiple of that of the basic, say, semidiurnal tide, or whose periods are a fraction of that of the tide) is the first indication of the importance of this adjective nonlinearity.
Wylly Creek has a semidiurnal tide and has a sand content of 54.3-72.4% as determined by a sieving (Rhodes and Curran, unpubl.
In fact at times in sections of this area the semidiurnal tide is so weak that the amplitude of the diurnal wave is more than twice that of the semidiurnal amplitude.
In order for true diurnal tide conditions to exist, the amplitude of the diurnal tide must be two to four times larger than the semidiurnal tide, depending on the time relationship between the two.
The values of the Love and Shida numbers for semidiurnal tides are chosen to be nominal for all degree-2 tides, and their values are: [h.sub.2] = 0.6078 and [l.sub.2] = 0.0847 (Petit and Luzum, 2010).
The system is affected by mesotidal semidiurnal tides and drained by the Nansa River, which supplies quartzite and sandstone gravel fractions and also provides siliciclastic sands and suspended mud particles.
The research also describes the lunar Doppler Effect, causing the lunar semidiurnal tides - i.e.