Hobart Bathymetry Survey for Echosounder Calibration, 2021

Hobart, Tasmania bathymetry data was collected for the Australian Hydrographic Office from 10 Oct to 8 Nov 2021. The survey provides reference surfaces for calibrating multibeam echosounders, processed into separate 0.5m and 1m resolution grids. Data is provided in MSL, LAT, and Ellipsoid vertical datums as 32-bit floating point GeoTIFF files.

Use Cases

• Calibrating multibeam echosounder systems based on the described reference surfaces
• Analyzing seafloor topography in Hobart based on high-resolution bathymetric grids
• Comparing vertical datums (MSL, LAT, Ellipsoid) for marine surveying applications

Strengths

• Data collected over a defined period from 10 Oct to 8 Nov 2021
• Provides grids at two specific resolutions: 0.5m and 1m
• Processed using specific industry software: QPS Qimera

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download
• Column-level documentation is absent; field semantics must be inferred after download

Provenance

Source

Australian Hydrographic Office

Collection Method

Acquired using Kongsberg EM2040D multibeam echosounder as part of the Hydroscheme Industry Partnership Program.

Time Range

10 Oct 2021 to 8 Nov 2021

Freshness

Last updated 2026-06-04 08:20:04.295458; freshness should be verified

Geography

Hobart, Tasmania, Australia