Backscatter Grids of Jervis Bay Seabed from 2007-2009 Surveys

Jervis Bay, New South Wales, is the location for this collection of six backscatter grids mapping seabed characteristics. The data was produced by Geoscience Australia from marine surveys conducted in 2007, 2008, and 2009, which also involved sediment sampling, video observation, and tide measurement. Bathymetric mapping and sampling were concentrated in a 3x5 km grid within the southern part of the bay.

Use Cases

• Modeling seabed texture and hardness based on processed backscatter data.
• Characterizing benthic environments by correlating backscatter grids with colocated sediment and infauna samples.
• Mapping bathymetry and habitat types within the defined survey grid and along transit lines.

Strengths

• Data originates from multiple dedicated marine surveys (GA303, GA305, GA309, GA312) conducted over three years (2007-2009).
• Surveys employed multiple complementary methods including backscatter mapping, sediment sampling, underwater video, and tide measurement.
• Focus includes a defined 3x5 km survey grid (Darling Road Grid) for concentrated analysis.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset scale are unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Geoscience Australia Data

Collection Method

Data acquired using the MV Kimbla vessel, with backscatter grids processed from EM3002 and EM3002D data using the CMST-GA MB Process.

Time Range

2007, 2008, 2009

Freshness

Last updated 2026-05-20 22:23:57.447366; freshness should be verified.

Geography

Jervis Bay, New South Wales, Australia, with a focus on a southern 3x5 km grid (Darling Road Grid).