Goulburn Broken
Yea, Vic

Water Technology, in collaboration with Moroka, was invited to produce a report for the Goulburn Broken Catchment Management Authority on an investigation of the fluvial geomorphology of the Yea and Acheron Rivers. The report is centred on the main stems of the Yea and Acheron Rivers in the settled parts of the valleys and populated areas of the Murrindindi and Steavenson Rivers. The purpose of the investigation and report is to:

• provide an understanding of the underlying physical processes that control the size, shape and location of the river channels; and
• allow these physical processes to be considered as part of developing future river management strategies and as part of day-to-day river management decisions.

This investigation dealt primarily with the physical aspects of the rivers and floodplains. In overview, the investigation confirms that while there will always be particular instances of erosion or flooding that conflict with expectations for the river, most sections of the rivers are quite stable at a management timescale compared to many other Victorian Rivers. Areas where the potential for conflict between geomorphic processes and land use expectations is greatest are in the Yea River from the vicinity of the Murrindindi confluence downstream to Yea, and the Steavenson River downstream of Marysville.

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