Darwin Harbour Seabed Habitat Maps from 2011 and 2013 Surveys

Two seabed mapping surveys conducted in Darwin Harbour in 2011 and 2013 provide baseline data on marine habitats. The research, a collaboration between Geoscience Australia, AIMS, DLRM, and Darwin Port Corporation, used multibeam sonar, video, and physical sampling. Key outcomes include detailed bathymetry maps and a seascape classification of the harbor into six distinct habitat classes.

Use Cases

• Predictive modeling of marine biodiversity based on continuous physical variables like bathymetry and slope.
• Characterizing the spatial distribution of benthic habitats like rocky reefs and sponge gardens from acoustic data.
• Planning future benthic biodiversity studies using the provided seascape map and substrate classification.
• Analyzing seabed geomorphic features such as banks, ridges, and channels in a high-turbidity estuary.

Strengths

• Data collection involved high-resolution multibeam sonar, video, and physical sediment samples.
• Surveys were conducted in two dedicated stages in 2011 and 2013, providing temporal context.
• Results include a seascape map with six statistically derived habitat classes for Darwin Harbour.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale ML tasks.
• Primary file formats are PDF, DOCX, and HTML, suggesting the core data may be embedded in report documents rather than standalone structured files.

Provenance

Source

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

Collection Method

Multibeam survey (2011) and seabed sampling survey (2013) using research vessels MV Matthew Flinders and MV John Hickman.

Time Range

2011, 2013

Freshness

Last updated 2026-04-30 14:41:52.849200; freshness should be verified.

Geography

Darwin Harbour, Northern Territory, Australia