Approaches to Newcastle Bathymetry Survey, 30m Resolution (2020-2021)

A 30-meter resolution bathymetric grid covers the seafloor east of Newcastle, New South Wales. The survey was conducted for the Australian Hydrographic Office by Guardian Geomatics aboard the MV Offshore Guardian between 4 December 2020 and 15 January 2021. Data was acquired with a Kongsberg EM 2040-07 multibeam echosounder and processed using Caris Hips & Sips software.

Use Cases

• Modeling seafloor topography and slope based on high-resolution bathymetric data.
• Analyzing underwater terrain for marine habitat mapping based on the detailed survey area.
• Supporting coastal and offshore engineering studies based on the 30-meter resolution depth grid.
• Creating base maps for oceanographic research based on the processed GeoTIFF data.

Strengths

• Data was acquired with a specific, high-precision instrument (Kongsberg EM 2040-07).
• The dataset provides a specific, defined spatial resolution (30 meters).
• The survey has a precise acquisition period (4 Dec 2020 – 15 Jan 2021).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The description explicitly states the data is not to be used for navigational purposes.

Provenance

Source

Australian Hydrographic Office, contracted to Guardian Geomatics.

Collection Method

Acquired via ship-based multibeam echosounder survey as part of the Hydroscheme Industry Partnership Program (HIPP).

Time Range

4 December 2020 to 15 January 2021

Freshness

Last updated 2026-04-30 14:15:36.192284; freshness should be verified.

Geography

East of the Approaches to Newcastle, New South Wales, Australia.