Assessment of nutrient and sediment loads in the Yarra River Catchment

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Das, S. K, Ng, A. W. M and Perera, B. J. C (2011) Assessment of nutrient and sediment loads in the Yarra River Catchment. In: MODSIM2011, 19th International Congress on Modelling and Simulation. Chan, F, Marinova, D and Anderssen, RS, eds. Modelling and Simulation Society of Australia and New Zealand, Australia, pp. 3490-3496.


Excessive loadings of non-point source pollution from different landuse activities cause eutrophication in rivers and creeks, and are a major concern to water resource managers. Catchment-scale management programs have been proven to be efficient in reducing water pollution from landuse activities. Understanding the connection between landuse activities and water quality is important for developing these management programs. However, the lack of knowledge of nutrient and sediment mass loads and their correlation with landuses are major impediments in applying these management programs. The main objective of this study was to assess nutrient and sediment loads at various sections of the Yarra River catchment in Victoria, Australia for the period of 1998-2009, and to investigate the correlation between these loads and different landuse types. The specific objectives were to: (1) establish whether there is a statistically significant difference between concentrations in water quality samples representing two flow regimes i.e. baseflow conditions and surface runoff events, (2) estimate pollutant mass load: nutrients and sediment at various sections of the catchment, and (3) identify the significant and major sources of pollutant loads.

Additional Information

The 19th International Congress on Modelling and Simulation (MODSIM2011) was held at the Perth Convention and Exhibition Centre in Perth, Western Australia, from 12 to 16 December 2011

Item type Book Section
Official URL
ISBN 9780987214317
Subjects Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Historical > FOR Classification > 0905 Civil Engineering
Historical > SEO Classification > 9004 Water and Waste Services
Keywords ResPubID23641, pollutant concentrations and loads, baseflow conditions and runoff events, non-point source, water quality
Citations in Scopus 4 - View on Scopus
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