Question

1. A wave train is observed approaching a coast that has straight parallel nearshore bottom contours that are oriented in a north-south direction. Where the water depth is 5 m the wave crests are observed to form an angle of 9° with the shoreline (waves from the southwest) and the wave period is measured to be 7.3 s. What is the incident wave direction in deep water? If the measured wave height at the 5 m depth is 2.2 m, what is the deep water wave height? i T 는 73s : C.0 sin d sin a sol) coS o0 coSa

Answer 1

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According to given pobbm: = 7.3 sec 2.2m shown on shore' diaaa Fi ind : iTncident wave diychon in deep water i) Deep wd, height of wa ve step (u)- Dtoornine L Ho sol Can be find by usjna scien slep (2)- Delermine L 2. Scanned wait CamScanne δ3.2

sin Lo 183.2.0 47.g0 CoS 15.j6' CoS 9 K,-0.987 nding a 2n L 2 Kd 14%-90 2x0-131x5 Scanned with CamScanner

83.20 step 6)-Using formula : Ho 2 2. Ho : 2-2 Ho -2.2+ m Ans- Deep 2.2 S Scanned with CamScanner