Historical profile line surveys (Emery method) |
April 1976—August 2006 |
Monthly |
Five representative profile lines (subaerial beach) |
Historical profile line surveys (RTK-GPS) |
May 2005—present |
Monthly |
Five representative profile lines (subaerial beach) |
Argus coastal imaging (Flight Deck Building) |
July 2004—present |
Hourly (daylight) |
Southern half of beach (shoreline mapping) |
Argus coastal imaging (Nth Narrabeen/Narrabeen Lagoon) |
July 2005—August 2008 |
Hourly (daylight) |
Northernmost 500 m of beach/ Narrabeen Lagoon (shoreline mapping) |
RTK-GPS mounted on an All-Terrain-Vehicle |
July 2005—present |
Monthly |
Entire 3.6 km long subaerial beach |
Airborne Lidar surveys |
July 2011—present |
Pre/post major storm events |
Entire 3.6 km long subaerial beach and dunes |
Permanent fixed Lidar (Flight Deck Building) |
May 2014 -present |
5 Hz (continuous) |
One profile line |
Unmanned Aerial Vehicle (UAV) Structure-from-Motion surveys |
June 2014—present |
Pre/post major storm events |
Entire 3.6 km long subaerial beach and dunes |
Single/multi-beam hydrographic surveys using boat/jetski (courtesy of NSW Office of Environment and Heritage) |
April 2011—present |
Irregular |
Entire 3.6 km long beach in the surf zone and offshore |