Darwin Harbour Seabed Mapping and Habitat Classification, 2011-2013

A seabed mapping and habitat classification report for Darwin Harbour, Australia, based on surveys conducted in 2011 and 2013. The research was a collaboration between Geoscience Australia, the Australian Institute of Marine Science, and other government bodies. It includes high-resolution multibeam sonar data, seabed samples, and video observations used to produce bathymetry maps and classify six seascape habitats.

Use Cases

• Predictive modeling of marine biodiversity based on continuous physical variables like bathymetry and rugosity.
• Spatial analysis of seabed geomorphic features such as banks, ridges, plains, and channels.
• Classification of seabed substrate into hard and soft categories using acoustic backscatter and sediment data.
• Planning future benthic sampling surveys by leveraging the existing high-resolution habitat maps.

Strengths

• Data collection involved high-resolution multibeam sonar bathymetry and acoustic backscatter.
• Surveys were conducted in two dedicated stages in 2011 and 2013, providing temporal context.
• Classification produced six distinct seascape classes based on substrate, relief, bedform, and sediment veneer.
• Collaboration involved multiple authoritative institutions including Geoscience Australia and the Australian Institute of Marine Science.

Limitations

• The primary data format is a report (PDF, HTML, DOCX); the underlying raw datasets are not directly described or accessible.
• Row count and column-level documentation are unknown, limiting suitability assessment for direct analysis.
• Data freshness should be verified as the underlying surveys are from 2011 and 2013.

Provenance

Source

Geoscience Australia Data, in collaboration with AIMS, DLRM, and Darwin Port Corporation.

Collection Method

Multibeam survey (2011) and seabed sampling survey (2013), including sonar, video, still camera, and physical sediment samples.

Time Range

2011, 2013

Freshness

Last updated 2026-04-20 03:31:26.020665; underlying survey data from 2011 and 2013.

Geography

Darwin Harbour, Northern Territory, Australia