significant wave height


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significant wave height

The average height of the third of waves observed during a given period of time. Significant wave height is used for evaluating the impact of waves and breakers on watercraft in the open sea and surf zones. See also surf zone.
References in periodicals archive ?
5 times the significant wave height (in the Draupner case h is 3.
Similarly to the above, a regression line was fitted to significant wave height cross-matches to find the systematic deviations.
The electricity output from a single WaveRoller 100kW-unit during a 24-hour period with significant wave height of 2.
Although this platform has been designed for the relatively benign waters of the Irish Sea, Babcock has also developed a unit suited to a significant wave height of 12m.
The largest characteristic, significant wave height measured between 1988 and 1995 was 10.
Its report says of Cardiff: "Built structures will be impacted by projected changes in winter significant wave height more so than in most other regions.
The sea-keeping capabilities of the catamarans were proven in service when they carried engineers to wind farm turbines through conditions with significant wave height in excess of 8.
However, the basic wave parameters (such as the 6-hourly significant wave height, the mean zero-upcrossing wave period and the mean wave direction) are presented as an average of a 1.
Of the more than 50,000 data sets gathered during those 6 years, almost 1,600 included at least one wave that measured more than twice that hour's significant wave height, Liu's threshold for rogue-wave status.
A bottom-mounted wave gauge (SeaBird SBE26) deployed offshore at HMS measured significant wave height (the height of the highest one-third of waves) four times per day for 40 days just before the beginning of this study.