2010 Index of Stream Condition - Top of Bank line features

The ISC2010_TOP_OF_BANK line features represent the leveled left and right banks of the river channel. The bank lines have been leveled to the height of lower bank. This data set represents full River Reaches.

River condition in Victoria is assessed every 5 years using the Index of Stream Condition (ISC). The Department of Environment and Primary Industries (DEPI) developed a methodology to assess the Physical Form and Riparian Vegetation components of the ISC using remote sensing data, specifically LIDAR and aerial photography.

A State Wide mapping project was undertaken in 2010-13 to accurately map the Physical Form and Riparian Vegetation metrics of the ISC . Other ISC metrics were not assessed in the project and were derived from other sources.

The Physical Form and Riparian Vegetation Metric products are a combination of mapped Vector and Raster data as well as Tabular Summary Statistics about the mapped features. In the context of the project, the term Metrics is used to refer to both the mapped features and the summary statistics.

Remote sensing data used includes 15cm true colour and infra-red aerial photography and four return multi-pulse LiDAR data. This source data was used to derive a variety of Raster data sets including Digital Terrain Models, Slope, Vegetation Height and Vegetation Cover. The Digital Terrain and Slope rasters were used to map Physical Form metrics including Stream Bed, Top of Bank and River Centre Lines while the Vegetation Height and Cover rasters were used to map the Riparian Vegetation metrics. The Project Report "Aerial Remote Sensing for Physical Channel Form and Riparian Vegetation Mapping" describes the remote sensing and mapping approach used to create this data set.

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    2010 Index of Stream Condition - Top of Bank line features

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Additional Information

Field Value
Published (Metadata record) 01/08/2014
Last updated 13/07/2020
Organisation Department of Environment, Land, Water & Planning
License Creative Commons Attribution 4.0 International
Data temporal coverage: 01/06/2010 to 01/12/2012
Full metadata URL http://services.land.vic.gov.au/catalogue/metadata?anzlicId=ANZVI0803005110&publicId=guest&extractionProviderId=1