Marine Seismic Refraction to Locate the Depth to Bedrock in the Central Coast, NSW.

  • Site View.
  • Site View.
  • The Hydrophones being layed out.
  • A boat was used to lay out the Hydrophones and perform some offset shots.

GBG Australia recently undertook a Non-Destructive rivercrossing investigation in the central coast, NSW. A combination of marine seismic refraction and Continuous Sub-Bottom Sonar profiling was used to gather information on the depth to bedrock material.

Figure 1: Site View.

Figure 2: Site View.

Figure 3: The Hydrophones being layed out.

Figure 4: A boat was used to lay out the Hydrophones and perform some offset shots.