Ocean Wave Modeling

1. Front Matter

   Pages i-vi

   PDF

2. The Sea Wave Modeling Project (SWAMP): Principal Results and Conclusions

   1. Front Matter

      Pages 1-5

      PDF

   2. Introduction: The Spectral Energy Balance

      • The SWAMP Group

      Pages 7-10

   3. Model Classes

      • The SWAMP Group

      Pages 11-17

   4. Test Strategy

      • The SWAMP Group

      Pages 19-24

   5. Decoupled Propagation Models

      • The SWAMP Group

      Pages 25-27

   6. Coupled Hybrid Models

      • The SWAMP Group

      Pages 29-35

   7. Coupled Discrete Models

      • The SWAMP Group

      Pages 37-40

   8. Case II: Fetch- and Duration-Limited Growth

      • The SWAMP Group

      Pages 41-54

   9. Case III: Slanting Fetch

      • The SWAMP Group

      Pages 55-70

   10. Case IV: Half-Plane Wind Field

       • The SWAMP Group

       Pages 71-81

   11. Case VII: 90° Change in Wind Direction

       • The SWAMP Group

       Pages 83-102

   12. Case V: Diagonal Front

       • The SWAMP Group

       Pages 103-114

   13. Case VI: Stationary and Moving Hurricane

       • The SWAMP Group

       Pages 115-134

   14. Summary

       • The SWAMP Group

       Pages 135-138

   15. Outlook

       • The SWAMP Group

       Pages 139-140

3. The SWAMP Models

   1. Front Matter

      Pages 155-155

      PDF

   2. The MRI Wave Model

      • Takeshi Uji

      Pages 157-166

   3. The VENICE Model for Wind Wave Prediction

      • Luigi Cavaleri, Luciana Bertotti

      Pages 167-185

   4. The Norwegian Wave Model NOWAMO

      • Johannes Guddal

      Pages 187-191

Early in 1979, a group of wave researchers proposed a wave model inter­ comparison study to clarify the interrelations existing among the various wave models which have been developed in past years for real-time wave forecasting, wave statistics compilations, or hindcast case studies. The idea was immediately welcomed by the wave modeling community, and, finally, nine wave modeling groups from the United States, Japan, and Europe participated in the exercise. The principal results of this work are presented here jointly by the Sea Wave Modeling Project (swAMP) Group (the members of which are listed in Appendix A). Descriptions of the models used in the study are given in Part II of this volume. A more complete documentation of the entire set of numerical experiments is given in Part 2 of the Sea Wave Modeling Project (SWAMP group, 1982). The main purpose of the intercomparison study was to test our present understanding of the physics of . wind-generated surface waves from the viewpoint of wave modeling. Specifically, we wished to clarify the basic interdependence between understanding the physics of surface waves, repre­ senting the physics numerically, and predicting quantitatively the detailed space-time evolution of a two-dimensional surface wave spectrum for a given wind field. It was not our intent to carry out a model competition. In this sense there were no winners or losers: all models could claim specific strong points, and all displayed weaknesses in some areas.

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