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An empirical approach to improving tidal predictions using recent real-time tide gauge data
Ist Teil von
Journal of operational oceanography, 2015-01, Vol.8 (1), p.40-51
Ort / Verlag
Taylor & Francis
Erscheinungsjahr
2015
Link zum Volltext
Quelle
Taylor & Francis
Beschreibungen/Notizen
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 short-term sea level predictions.