Commercial shipping contributes a significant portion of anthropogenic underwater noise, which can impair marine mammal hearing and behavior. This gridded map quantifies cumulative sound exposure from ships in the Australian Exclusive Economic Zone for a typical April-September period. The data was produced by the Australian Ocean Data Network and last updated in June 2026.
Use Cases
- Modeling habitat suitability for noise-sensitive marine species based on cumulative sound exposure levels.
- Assessing the spatial footprint of commercial shipping activity on underwater acoustic environments.
- Informing marine spatial planning and noise impact management strategies for the Australian EEZ.
- Correlating shipping traffic patterns with potential behavioral responses in marine mammals.
Strengths
- Data is specifically focused on the Australian Exclusive Economic Zone (EEZ).
- The dataset represents a typical April-September period, providing a seasonal snapshot.
- Data is provided in multiple geospatial formats (TIF, WMS, PNG).
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and total data size are unknown, which may limit suitability assessment.
- The description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Australian Ocean Data Network via data_gov_au
- Collection Method
- Likely derived from ship tracking data and acoustic modeling, as the project aimed to quantify underwater noise from ships.
- Time Range
- Represents a typical April-September period (specific year not stated).
- Freshness
- Last updated 2026-06-05 07:10:16.066158
- Geography
- Australian Exclusive Economic Zone (EEZ)