Suspended sediment, nitrogen and phosphorus concentrations and exports during storm-events to the Tuross estuary, Australia

Journal of Environmental Management
J J DrewryB F W Croke

Abstract

This paper presents a process for estimating pollutant loads from water quality data, to improve catchment-scale modelling in the region for resource management purposes. It describes a program to estimate suspended sediment, total and dissolved nitrogen and phosphorus loads to the Tuross estuary from the Tuross River catchment (1810 km(2)) of coastal southeast Australia. Event-based water quality sampling results obtained during storm events in 2005 are presented. Event 1, during July 2005 was the largest storm event in terms of peak flow for 3.5 years. Other events monitored were also in July, November and December 2005. The early July 2005 event had a flow-weighted mean suspended sediment (SS) concentration during the first 4 days of 63 mg L(-1). Of the events monitored, this was unusual as it was preceded by drought and had the largest SS concentrations (peaking at 180 mg L(-1)) during the rising-stage. In contrast, the November event had a much lower flow-weighted SS mean (28 mg L(-1)), even though peak flow magnitudes were similar. The July and November 2005 events had peak flows of 12,360 and 11,330 ML day(-1). Low-cost rising-stage siphon samplers were used to collect samples during the rapidly rising phase of these eve...Continue Reading

References

Aug 21, 2003·Journal of Environmental Management·Barbara BaginskaMartin Krogh
Mar 11, 2005·Marine Pollution Bulletin·Lucy A McKergowJon Brodie

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Citations

Jun 12, 2013·Journal of Environmental Management·B FuO Vigiak
Oct 29, 2010·Journal of Environmental Management·J J DrewryR S B Greene
Mar 9, 2018·Environmental Science and Pollution Research International·Lei WuXiaoyi Ma
Oct 4, 2018·International Journal of Environmental Research and Public Health·Xiaolin HuangHong Huang
Jan 18, 2017·Environmental Science and Pollution Research International·Xuejiao HuangZhenlun Li
Jul 16, 2019·Environmental Science and Pollution Research International·Ruxue GaoYoujin Yan

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