Darwin Harbour Seabed Habitat Maps from 2011 and 2013 Surveys

Geoscience Australia and partners conducted seabed mapping and habitat classification surveys in Darwin Harbour during 2011 and 2013. The dataset includes high-resolution multibeam sonar bathymetry, acoustic backscatter, video observations, and physical sediment samples. It resulted in a seascape map with six habitat classes derived from substrate, relief, and bedform data.

Use Cases

• Predictive modeling of benthic biodiversity based on near-continuous physical variables like bathymetry and rugosity.
• Spatial planning for marine conservation using classified seascape and substrate maps.
• Analysis of seabed geomorphic features such as banks, ridges, and channels described in the report.
• Training habitat classification algorithms using the six seascape classes derived from an unsupervised ISO scheme.

Strengths

• Data collection involved two dedicated marine surveys in 2011 and 2013 using multibeam sonar and seabed sampling.
• Collaboration between multiple authoritative institutions including Geoscience Australia and the Australian Institute of Marine Science.
• Report describes the derivation of six distinct seascape classes from statistically unique combinations of seabed properties.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Primary data files are in PDF, DOCX, and HTML formats, which may require extraction for analysis.

Provenance

Source

Geoscience Australia, Australian Institute of Marine Science, Department of Land Resource Management, Darwin Port Corporation.

Collection Method

Multibeam survey (2011) and seabed sampling survey (2013) from research vessels.

Time Range

2011, 2013

Freshness

Last updated 2026-03-25 18:25:11.377187; freshness should be verified.

Geography

Darwin Harbour, Northern Territory, Australia