Flood Depth Comparison For Moreton Bay Region

Flood depth data compares updated 2025 mapping against previous 2014-2016 mapping for the 1% Annual Exceedance Probability event. The dataset is provided by the City of Moreton Bay's Data Hub and was last updated in March 2026.

Use Cases

• Compare 1% AEP flood depth values between the 2025 and 2014-2016 mapping releases to assess changes in flood risk modeling.
• Analyze spatial patterns of flood depth differences across the Moreton Bay Region's varied landscapes and terrain.
• Support flood risk reduction planning by evaluating the likelihood and potential impacts of flooding in local areas.

Strengths

• Direct comparison of two distinct mapping releases (2025 vs. 2014-2016) for temporal analysis.
• Focus on a standard 1% Annual Exceedance Probability flood event for consistent risk benchmarking.
• Data is sourced from the authoritative local government body, the City of Moreton Bay.

Limitations

• Specific data volume (rows/columns) and granularity are unknown from the provided description.
• Access is via ArcGIS GeoServices REST API and HTML, which may require specialized GIS tools for full analysis.
• The dataset's spatial coverage is limited to the Moreton Bay Region, not generalizable to other areas.

Provenance

Source

City of Moreton Bay's Data Hub (moretonbaygis).

Collection Method

Flood mapping and depth comparison provided by the local council.

Time Range

Compares mapping from 2025 to previous mapping dated 2014-2016.

Freshness

Updated mapping released in February 2025, with dataset metadata last updated March 2026.

Geography

Moreton Bay Region, Queensland, Australia.