Wave resource assessment for Scottish waters using a large scale North Atlantic spectral wave model

Vengatesan Venugopal, Reddy Nemalidinne

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

This paper reports the methodology established in the application of a numerical wave model for hindcasting of wave conditions around the United Kingdom, in particular for Scottish waters, for the purpose of wave energy resource assessment at potential device development sites. The phase averaged MIKE 21 Spectral wave model has been adopted for this study and applied to the North Atlantic region bounded by latitudes 10° N–70° N and longitudes 10° E−75° W. Spatial and temporal wind speeds extracted from the European Centre for Medium Range Weather Forecast (ECMWF) have been utilised to drive the wave model. A rigorous calibration and validation of the model has been carried out by comparing model results with buoy measurements for different time periods and locations around Scotland. Significant wave height, peak wave period and peak wave direction obtained from the model correlated very well with measurements. Spatially varying statistical mean and maximum values of the significant wave height and wave power obtained based on a one-year wave hindcasting are in good agreement with the UK Marine Atlas values. The wave model can be used with high level of confidence for wave hindcasting and even forecasting of various wave parameters and wave power at any desired point locations or for regions. The wave model could also be employed for generating boundary conditions to small scale regional wave and tidal flow models.
Original languageEnglish
Pages (from-to)503-525
Number of pages23
JournalRenewable Energy
Early online date10 Dec 2014
Publication statusPublished - 30 Apr 2015

Keywords / Materials (for Non-textual outputs)

  • Wave modelling
  • Spectral wave model
  • Orkney and Pentland waters
  • Hindcasting
  • Wave power
  • Wave parameters


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