Port Phillip Bay Coastal Hazard Assessment: Inundation Extent for 1.4m Sea Level Rise

Port Phillip Bay coastal hazard assessment provides modelled spatial layers for storm tide inundation, erosion, and groundwater scenarios. The dataset includes extents for a 1% Annual Exceedance Probability storm tide combined with rainfall and sea level rise scenarios up to 1.4 meters. It was produced by CSIRO, Water Technology, and Kennedy (2022-2023) for the Department of Energy, Environment and Climate Action.

Use Cases

• Model regional-scale coastal inundation risk based on combined storm tide and rainfall scenarios.
• Assess future erosion hazard extents based on projected sea level rise.
• Identify areas with shallow groundwater hazards likely to be exacerbated by sea level rise.
• Compare hazard scenarios across different sea level rise projections (0m to 1.4m).

Strengths

• Includes multiple hazard types: storm tide inundation, erosion, and groundwater.
• Provides scenarios for six specific sea level rise values (0m, 0.5m, 0.8m, 1.1m, 1.4m).
• Storm tide layers incorporate modelled 95th, 50th, and 5th percentile outcomes.
• Supported by multiple technical reports from CSIRO, Water Technology, and Kennedy.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• The product is not suitable for individual property scale assessments, limiting its granular application.

Provenance

Source

Department of Energy, Environment and Climate Action

Collection Method

Modelled spatial outputs from coastal hazard scenarios.

Freshness

Last updated 2026-06-15 06:41:54.249717; freshness should be verified.

Geography

Port Phillip Bay region.