2010 Index of Stream Condition: Water Body Polygons for Victoria

A 2010-2013 state-wide mapping project in Victoria, Australia, produced these geospatial polygon features representing areas of stream beds that contained water at the time of survey. The Department of Environment and Primary Industries (DEPI) developed the methodology using 15cm aerial photography and LiDAR data to assess Physical Form and Riparian Vegetation metrics for the Index of Stream Condition. The dataset excludes water body features smaller than 5 square meters to manage data volume.

Use Cases

• Assessing river physical form metrics based on mapped stream bed, top of bank, and river centre lines.
• Analyzing riparian vegetation health based on derived vegetation height and cover rasters.
• Monitoring changes in water body extent over time using the 2010 baseline survey data.
• Supporting state-wide environmental reporting for the Index of Stream Condition (ISC).

Strengths

• Derived from high-resolution source data including 15cm true colour/infrared aerial photography and multi-pulse LiDAR.
• Features are part of a standardized state-wide assessment methodology for river condition.
• Data volume is managed by removing water body polygons smaller than 5 square meters.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset focuses only on Physical Form and Riparian Vegetation metrics; other ISC metrics are derived from other sources.

Provenance

Source

Department of Energy, Environment and Climate Action (Victoria, Australia)

Collection Method

Remote sensing and mapping using LiDAR and aerial photography, as described in the project report 'Aerial Remote Sensing for Physical Channel Form and Riparian Vegetation Mapping'.

Time Range

2010-2013

Freshness

Last updated 2026-04-09 03:14:36.368998; freshness should be verified.

Geography

Victoria, Australia