Mangroves and saltmarsh at Saint Kilda, north of Adelaide, have been recently subject to dieback from ingress of hypersaline water. A range of airborne remote sensing technologies show the progress of the dieback, including VNIR hyperspectral, lidar and ultrahigh resolution RGB imagery.
Mangroves and saltmarsh at Saint Kilda, north of Adelaide, have been recently subject to dieback, apparently from leakage of hypersaline water from holding ponds associated with decommissioned salt production facilities. We present a series of airborne remote sensing datasets spanning the period from 2018 (i.e. before this recent dieback event) up till March 2021, showing the extent and progress of the dieback. A range of sensing technologies were used, including VNIR hyperspectral imaging with pixel sizes as small as 30cm and lidar with point densities over 100 points per square metre. A newly developed high resolution three-band camera system provides RGB imagery across the area with GSD as small as 5mm, a resolution previously only available from UAS (drones) but here collected across large areas.
Dr Andrew McGrath (Airborne Research Australia)
Time & room
3:00 pm–3:15 pm
City Room 2
Date & venue
Friday 17 September 2021 at the Adelaide Convention Centre