Australian Coastal Reflectance Composites Using Multi-Resolution Tidal Model

Continental-scale pixel composites of the Australian coastline are generated using a multi-resolution tidal model to account for dynamic water levels. The method employs a Voronoi mesh to capture spatial tidal variation and preserves spectral band relationships at each pixel. This dataset was created by researchers from the Australian Ocean Data Network and published in the journal Remote Sensing in 2018.

Use Cases

• Detecting coastal erosion by analyzing reflectance differences between high-tide and low-tide composite images.
• Monitoring estuarine water quality changes using the preserved spectral band relationships within the pixel-based composites.
• Calibrating satellite-derived bathymetry models with tidally constrained surface reflectance values.
• Assessing vegetation health in intertidal zones by comparing composites generated under specific tidal conditions.

Strengths

• Covers the entire continental-scale Australian coastline.
• Provides separate composites for high-tide and low-tide states.

Limitations

• Specific spatial resolution, row count, and temporal coverage are not detailed.
• Data freshness is unknown; the underlying research and methodology are from 2018.

Provenance

Source

Australian Ocean Data Network

Collection Method

Generated from satellite data using a multi-resolution tidal model and Voronoi mesh compositing approach.

Time Range

null

Freshness

null

Geography

Australian coastline