The Cairns dataset for a project to determine the areas most likely affected by storm surge flooding included data from several sources, inluding:
manual digitising and scanning of analogue maps
	coastline
	rivers
	roads
image data input and conversion to a GIS
	satellite imagery
direct data entry including global positioning systems (GPS)
	GPS points of heights to verify the digital elevation models
	building locations
transfer of data from existing digital sources
	digital elevation models
	census data