Weston Bay Beach and Dune Management Plan Technical Appendix Wave Modelling June 2013 Draft Report 9Y0510 HASKONING UK LTD. RIVERS, DELTAS & COA STS Stratus House Emperor Way Exeter, Devon EX1 3QS United Kingdom +44 1392 447999 Telephone 01392 446148 Fax
[email protected] E-mail www.royalhaskoningdhv.com Internet Document title Weston Bay Beach and Dune Management Plan Technical Appendix Wave Modelling Document short title Wave Modelling Status Draft Report Date June 2013 Project name Weston Bay Beach and Dune Management Plan Project number 9Y0510 Client North Somerset Council Reference 9Y0559/R/303395/Exet Drafted by Martha Gaches and Eddie Crews Checked by Keming Hu Date/initials check …………………. …………………. Approved by Greg Guthrie Date/initials approval …………………. …………………. A company of Royal HaskoningDHV CONTENTS Page 1 INTRODUCTION 1 1.1 Location 1 2 INPUT DATA FOR WAVE MODELLING 2 2.1 General 2 2.2 Bathymetry 2 2.3 Tide and Still Water Levels 2 2.4 Wave Data 3 2.4.1 Wave Data Sources 3 2.4.2 Offshore Wave Data 3 2.4.3 Nearshore Wave Data 5 2.4.4 Wave Intpus for Spectral Wave (SW) Modelling 8 3 MIKE 21 SPECTRAL WAVE MODEL SET UP 9 3.1 Model Mesh 9 3.2 Model Bathymetry 10 3.3 Location of Model Result 11 3.4 Offshore boundary conditions 12 4 WAVE MODEL RESULTS 14 5 REFERENCES 17 Appendices Appendix A CCO Nearshore Wave Buoy Data Appendix B SW Wave Modelling Results (Area Plots) Weston Bay Beach and Dune Management Plan Technical Appendix – Wave Modelling Draft Report i June 2013 1 INTRODUCTION This Technical Appendix supports the Weston Bay Beach Management Plan (Weston Bay BMP) commissioned by North Somerset Council (NSC).