A MBES survey was carried out in November 2010 using a Western Australian Department of Transport hydrographic vessel
The survey area covered the embayments north and south of the city of Geraldton,between 2 and 30 m depth.
Data were acquired using a Reson Seabat 8101 MBES system, which operates at 240 kHz and has a swath width 150° across track and 1.5° along track.sieve units at 0.5Ø intervals based on the Udden-Wentworth grain size
scale. GRADISTAT software