Adelaide Adelaide CoastlineCoastline

Sand CartingSand CartingMay 2004May 2004

Glenelg BeachGlenelg BeachRemoving 2-3 metres depth of sandRemoving 2-3 metres depth of sand

Beach width reduced by 100 metresBeach width reduced by 100 metres

Glenelg BeachGlenelg Beach

Looking north towards the breakwaterLooking north towards the breakwater

Glenelg BeachGlenelg Beach

Looking south towards the jettyLooking south towards the jetty

Holdfast Shores MarinaHoldfast Shores MarinaCause of the buildup of sand is the marina entranceCause of the buildup of sand is the marina entrance

protection with a breakwaterprotection with a breakwater

South GlenelgSouth Glenelg

South Glenelg – sourcing the sand

Public safety is a concern with heavy earthmoving equipment Rock wall and narrow beach at the

southern end of Glenelg

Stormwater outlet – Glenelg south

Moving sandMoving sandOffshore Bar is no longer a Tombolo Offshore Bar is no longer a Tombolo

Dredge is still working

Loading and moving sand Loading and moving sand from Glenelg Beachfrom Glenelg Beach

The Broadway – Protecting the old seawall The Broadway – Protecting the old seawall With a new section of rip-rap wallWith a new section of rip-rap wall

Note: geotextile filter, gravel base before large rocks are set in place. Concrete wall Note: geotextile filter, gravel base before large rocks are set in place. Concrete wall has been increased in sizehas been increased in size

Note also the beach width at high tide on a calm dayNote also the beach width at high tide on a calm day

Adelaide’s narrow beaches.Adelaide’s narrow beaches.Hove on the left and Somerton on the rightHove on the left and Somerton on the right

Note that it is high tide on a calm dayNote that it is high tide on a calm day

Issue: the narrow beach is the result of roads and houses trapping the sand of the

coastal foredune.Rock walls are protection for the structures

we have built along the coast.

Brighton BeachBrighton BeachLooking northLooking northHigh tide on a High tide on a

calm daycalm day

Seacliff Beach Seacliff Beach and dune bufferand dune bufferlooking southlooking south

SeacliffSeacliffSand from Glenelg is being dumped in piles Sand from Glenelg is being dumped in piles on the beach to be levelled off by the waveson the beach to be levelled off by the waves

SeacliffSeacliffSand from Glenelg is being dumped in a huge mound on Sand from Glenelg is being dumped in a huge mound on

the beach between Seacliff and Brightonthe beach between Seacliff and Brighton