The data were derived from the 1 m Lidar digital elevation model (DEM) acquired by Geoscience Australia (Geoscience Australia, 2015) using the 3D Analyst extension in ArcMap (version 10.6.1; Esri, Redlands, USA). DEM data are freely-available through the Australian Government's ELVIS online data portal (Geoscience Australia, 2019).Geoscience Australia (2015). Lake George LiDAR DEM [Data set]. Australian Government, Canberra. http://pid.geoscience.gov.au/dataset/ga/89644Geoscience Australia (2019, November). Elevation and Depth - Foundation Spatial Data (ELVIS). Australian Government. https://elevation.fsdf.org.au/