Three Dimensional Modelling of the Tamar River Background Client: NRM North The Tamar River has experienced significant environmental changes over several decades, primarily as a result of anthropogenic impacts such as upstream damming, catchment development, and direct delivery of urban wastewater to poorly flushed river reaches. As a result, the river exhibits degraded sediment and water quality conditions in most upstream reaches that require active intervention to remediate. BMT was commissioned to develop a numerical model to support the development of such intervention strategies. Outcomes and Benefits The model was used successfully to investigate the potential effectiveness of a range of structural and environmental alterations to the estuary. Some scenarios showed marked impr

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