RTK GPS points and echo soundings were collected in April 2012 for the Rakaia Lagoon and the beach barrier at the southern end.
Digital Elevation Model (DEM) created from RTK GPS points and echo soundings collected in April 2012 for the Rakaia Lagoon and the beach barrier at the southern end. These field data were combined with 2010 LiDAR data for the inaccessible landward side of the lagoon to generate a lagoon DEM.