×L5. Landscape contributions to water quality – modelling of erosion and sediment transport

Sediments and particulate nutrients transported from catchments into inland, coastal and marine water ways undermine water quality, contributing to poor environmental outcomes. Understanding the origins and contributions of landscape processes to poor water quality is essential to manage, mitigate and prevent poor water quality. Sediment and particulate nutrient contributions to poor water quality in urban and rural waterways can result from complex relationships between erosion processes (overland, gully and streambank erosion), human activities (e.g. tillage on farms, construction), and transport processes via overland flow.

This session aims to address the modelling of erosion and sediment transport processes in urban and rural catchments. We welcome papers that are about (but not limited to) the following topics:

• Model development to describe erosion and transport through catchments
• Approaches for catchment-scale modelling of sediment transport
• Projections of sediment generation and transport under land use and climate change scenarios
• Application of modelling to plan and evaluate conservation and rehabilitation activities
• Using models to identify sediment sources in catchments (e.g. unmixing models and sediment fingerprinting)
• Incorporating real-time monitoring data into sediment erosion and transport models.

We particularly welcome case studies on major case study sites such as the Great Barrier Reef catchments, Port Philip Bay, Westernport Bay and Lakes 380

Key topics: Erosion, Sediment transport, Green infrastructure, Landscape restoration