2010 Index of Stream Condition: Stream Bed Width Reach Polygons for Victoria

The ISC2010_STREAMBED_WIDTH polygon features represent the width between the toe of each opposing bank for each river reach in Victoria. River condition was assessed using the Index of Stream Condition (ISC) with a methodology developed by the Department of Environment and Primary Industries (DEPI). A state-wide mapping project from 2010-13 used 15cm aerial photography and LiDAR to derive these physical form metrics.

Use Cases

• Assessing river channel physical form based on mapped stream bed width features.
• Monitoring changes in stream condition over time using the Index of Stream Condition (ISC) framework.
• Modeling riparian zone characteristics using data derived from LiDAR and aerial photography.
• Supporting environmental policy and land management decisions with geospatial river metrics.

Strengths

• Derived from high-resolution remote sensing data (15cm aerial photography and multi-pulse LiDAR).
• Part of a systematic, state-wide mapping project conducted from 2010 to 2013.
• Data is provided in multiple geospatial file formats (SHP, GDB, TAB, etc.) for flexibility.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Only covers the Physical Form and Riparian Vegetation components of the ISC; other metrics were 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 (project period).

Freshness

Last updated 2026-04-09 00:56:27.264797; freshness should be verified.

Geography

Victoria, Australia.