Predicted Seabed Mud Content for Darwin and Bynoe Harbour, 10m Resolution

A 2011-2017 compilation of survey data provides a spatially continuous 10-meter resolution grid predicting seabed mud content for the Darwin and Bynoe Harbour region. The dataset was created by Geoscience Australia, the Australian Institute of Marine Science, and the Northern Territory Government's Department of Environment and Natural Resources, funded by an INPEX-led LNG project. Predictions are based on 395 samples and nine environmental variables, with a reported predictive accuracy improvement of 198.3% over a common interpolation method.

Use Cases

• Modeling benthic habitat distribution based on predicted sediment composition.
• Informing marine spatial planning and conservation efforts using the baseline environmental maps.
• Calibrating and validating remote sensing or acoustic backscatter models for sediment classification.
• Assessing environmental change over time by using this dataset as a baseline for future surveys.

Strengths

• Predictive accuracy is reported as very high, with a VEcv of 62% for mud.
• Model performance improved predictive accuracy by 198.3% for mud compared to a commonly used interpolation method (IDW).
• Data is derived from a compilation of multiple high-resolution surveys conducted between 2011 and 2017.
• Provides spatially continuous predictions at a 10-meter resolution for the region.

Limitations

• Absences in predictions occur due to non-availability of associated predictive variables.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and total file size are unknown, which may limit suitability assessment.

Provenance

Source

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

Collection Method

Derived from a compilation of multiple surveys (GA0333, GA0341, GA0351, etc.) between 2011 and 2017, using 395 samples and nine environmental variables from multibeam sonar data.

Time Range

Survey data from 2011 to 2017.

Freshness

Last updated 2026-04-20 01:41:27.026826; freshness should be verified.

Geography

Greater Darwin Harbour and Bynoe Harbour region, northern Australian marine margin.