339
Fig. 10.18 Lake Macquarie entrance, Swansea Channel; top 1861; bottom 2015 (Watterson 2010).
In 1861 the inlet virtually was closed with littoral drift choking the entrance. The beach on the
southern side of the channel near the entrance is shown to have eroded significantly. There has
been considerable extension of the flood tide delta northward into the bay
10 Long Term Impacts of Jetties and Training Walls on Estuarine Hydraulics…
Fig. 10.18 Lake Macquarie entrance, Swansea Channel; top 1861; bottom 2015 (Watterson 2010).
In 1861 the inlet virtually was closed with littoral drift choking the entrance. The beach on the
southern side of the channel near the entrance is shown to have eroded significantly. There has
been considerable extension of the flood tide delta northward into the bay
10 Long Term Impacts of Jetties and Training Walls on Estuarine Hydraulics…