338
area to be reached. However, other factors such as a coal seam in the entrance channel and the constraints posed by the two bridges will produce an increasing relative
roughness as velocities increase and, hence, the final equilibrium of the system may
occur within a shorter timeframe.
Fig. 10.17 Plan of Lake Macquarie (Courtesy Google maps) showing the location of the bay tide
gauge. The ocean inlet is at Swansea. The plan area of the bay is 110 km
2
A.F. Nielsen and A.D. Gordon
area to be reached. However, other factors such as a coal seam in the entrance channel and the constraints posed by the two bridges will produce an increasing relative
roughness as velocities increase and, hence, the final equilibrium of the system may
occur within a shorter timeframe.
Fig. 10.17 Plan of Lake Macquarie (Courtesy Google maps) showing the location of the bay tide
gauge. The ocean inlet is at Swansea. The plan area of the bay is 110 km
2
A.F. Nielsen and A.D. Gordon