An empirical approach to improving tidal predictions using recent real-time tide gauge data.
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Royston, Samantha Jane
Horsburgh, Kevin James
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Harmonic tidal prediction methods are often problematic in estuaries owing to the distortion of tidal fluctuations in shallow water, causing disparity between predicted and observed sea levels. The UK National Tidal and Sea Level Facility attempted to reduce prediction errors for the short-term forecasting of High Water (HW) extremes using three alternative techniques to the Harmonic Method in the Bristol Channel, where prediction errors are relatively large. A simple procedure for correcting Harmonic Method HW predictions using recent observations (referred to as the Empirical Correction Method) proved most effective and was also successfully applied to sea-level records from 42 of the 44 UK Tide Gauge Network locations. It is to be incorporated into the operational systems of the UK Coastal Monitoring and Forecasting Partnership to improve UK shortterm sea level predictions......
JournalJournal of Operational Oceanography
Sustainable Development Goals (SDG)14
Essential Ocean Variables (EOV)Sea surface height
Spatial CoverageUK waters
CitationHibbert,A., Royston, S.J., Horsburgh,K.J., Leach, H. & Hisscott, A. (2015) An empirical approach to improving tidal predictions using recent real-time tide gauge dat., Journal of Operational Oceanography, 8:1, pp.40-51, DOI: 10.1080/1755876X.2015.1014641
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