Derived data product DEA Coastlines
See decades of coastal change
DEA Coastlines combines satellite data with tidal modelling to map the changing location of Australia's coastline since 1988. Resulting annual shorelines and detailed rates of change show how beaches, sandspits, river mouths, and tidal flats have grown and eroded over time
The product draws on nearly 58,000 independent measurements to ensure accuracy, supported by local councils, state governments, citizen scientists and academia
DEA Coastlines data accurately maps rates of coastal change and hotspots of erosion and growth at every 30 metres along the entire Australian coastline
Why track changing coastlines?
DEA Coastlines interactive map
Imagery for impact The growing sands of Twilight Cove
Get a snapshot of the stories revealed by DEA Coastlines, including how one remote and spectacular Western Australian beach has grown by more than 500 m since 1988.
DEA Coastlines FAQs
Frequently asked questions about Digital Earth Australia (DEA) Coastlines
Seminar: Time and Tide
Meet Digital Earth Australia’s Dr Robbi Bishop-Taylor in this seminar on mapping Australia's coastal zone through time and space with DEA data.