Darwin Harbour Sediment Grain Size Data from 499 Seabed Samples

499 sediment samples from seabed stations in the greater Darwin Harbour region provide grain size data and summary statistics. The samples were collected by Geoscience Australia, the Australian Institute of Marine Science, and the Northern Territory Government between 2011 and 2017 as part of a baseline habitat mapping program. This data is intended to underpin marine resource management decisions and habitat map creation.

Use Cases

• Model sediment transport and deposition patterns based on grain size distribution.
• Create baseline habitat maps for marine resource management based on seabed substrate data.
• Analyze temporal changes in seabed composition by comparing samples collected between 2011 and 2017.
• Support environmental impact assessments for industrial projects in Darwin and Bynoe Harbour.

Strengths

• Contains data from 499 sediment samples collected from 489 stations, providing a substantial spatial dataset.
• Samples were collected over a 6-year period (2011-2017), offering a temporal baseline.
• Data is published with the permission of Geoscience Australia's CEO, indicating formal institutional approval.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for specific modeling tasks.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Geoscience Australia, Australian Institute of Marine Science, Northern Territory Government Department of Environment and Natural Resources.

Collection Method

Sediment samples were collected from the seabed during multiple marine surveys.

Time Range

2011 to 2017

Freshness

Last updated 2026-06-04 08:24:54.579923; freshness should be verified.

Geography

Greater Darwin Harbour region, including Bynoe Harbour, Northern Territory, Australia.