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Minimising persistent thermal stratification and algal blooms using improved flow velocity and discharge targets

Project Member(s): Mitrovic, S., Facey, J.

Funding or Partner Organisation: Department of Planning Industry and Environment
Department of Planning Industry and Environment

Start year: 2020

Summary: This study aims to quantify detailed cross-sectional and bathymetric profiles of multiple (10+) river sections (both in weir pools and not) in the Barwon-Darling River and measure the development of persistent thermal stratification (or not) and link this to flow velocity and discharge at each site. This will be achieved through the deployment of two thermistor chains at each site and the detailed measurement of cross sectional area, bathymetry and flow velocity. Each site will be visited at least 3 times at different flows through October 2020 to April 2021. Sites will be selected in consultation with DPIE however possible candidates would be weir pools at Walgett, Bourke, Wilcannia, Tilpa and river sections between these sites not affected by weirs.

FOR Codes: Ecosystem Assessment and Management of Fresh, Ground and Surface Water Environments, Environmental Monitoring, Pollution and contamination, Assessment and management of benthic marine ecosystems, Assessment and management of pelagic marine ecosystems