Research On Design Parameters Of Wave Of Ao Shan Bay

Hydrologic design parameters, usually calculated via the field data from nearby observation station, play an important part in Coastal engineering. However, it is worth noting that long-term field data is deficient in many coastal areas due to the small amount and uneven distribution of stations. Consequently, it is difficult to get the accurate design parameters as expectation. In this dissertation, Aoshan Bay is taken for example.As is well-known, long-term field data is short in Aoshan Bay which makes the hydrologic design parameters are hard to obtain. In this paper, the design parameters in specified area, applied to the design of Maste Boatyard, are calculated and analyzed in a practical way.Based on the limited field data of Dagang site, extreme water level in Aoshan Bay is predicted via the correlation analysis method; then, design tide levels are determined from the curve of accumulated frequency plotted with one year observation. In terms of synoptic chart data of East Asia from National Meteorology Bureau, wave elements here are computed according to a new composite wave model of Ocean University of China. Accordingly, offshore wave elements near Maste Boatyard are calculated from wave spectrum numerical model of joint diffraction and refraction.The results suggest the design of Maste boatyard effected by the wave of NE,E,SE,S. Furthermore, it shows a potential method to obtain the engineering design parameters in short of long-term field data.