Testing and verifying the wind wave model with an optimized source function amg

With the purpose of reve­aling the actual adva­nta­ges of the new source func­tion that was earlier prop­osed in [5] for use in nume­rical wind wave models, its testing and veri­fica­tion was carried out by means of modi­fica­tion of the WAM (Cycle-4) model. The veri­fica­tion was perf­ormed on the basis of a comp­ari­son of the results of wave simu­lat­ion for a given wind field with the buoy obse­rvat­ion data obta­ined in three oceanic regions. In the Barents Sea, this kind of comp­ari­son was made for wave obse­rvat­ions from a single buoy with an inte­rval of 6 hours for a period of 3 years. In two regions of the North Atla­ntic, the comp­ari­son was perf­ormed for 3 buoys in both regions for obse­rvat­ion periods of 30 days with an inte­rval of 1 hour. Esti­mati­ons of the simu­lat­ion accu­racy were obta­ined for a series of wind wave para­met­ers, and they were comp­ared with the orig­inal and modi­fied WAM model. Adva­nta­ges of the modi­fied model cons­ist­ing of the enha­ncem­ent of the calc­ulat­ion speed by 20–25% and a 1.5- to 2-fold incr­ease in the simu­lat­ion accu­racy for the sign­ific­ant wave height and the mean period were proved.