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CRC PUBLICATIONS |
Estimation of Pollutant Concentrations for EMSS Modellling of the South-East Queensland Region
Francis Chiew,
Philip Scanlon
Publication Type:
Technical Report
This is a publication of the current CRC for Catchment Hydrology
CRC Program:
Predicting Catchment Behaviour
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Publication Keywords:
Water Quality Monitoring
Water Quality Assessment
Land Use
Pollutants
Loading
Catchment Areas
Pollution Sources
Rainfall/Runoff Relationship
Seasons
Water Data
Modelling (Hydrological)
Environmental Management Support System (EMSS)
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Abstract / Summary:
Executive Summary
This report describes the analyses of water quality data in the south-east Queensland region to determine event mean concentration (EMC) and dry weather concentration (DWC) values for various land uses in the region. The values will be adopted in the Environmental Management Support System (EMSS) software for south-east Queensland to estimate pollutant loads from catchments in the region. The EMC and DWC values are estimated for total suspended solids (TSS), total phosphorus (TP) and total nitrogen (TN), for five land use categories: urban, natural bush, managed forest, grazing and cropping.
The two main sources of readily available water quality data that are useful for the analyses are Brisbane City Council and Department of Natural Resources. The local data sets, together with published values in the literature, are used to estimate the EMC and DWC values. These values are tabulated below together with indications of how much local data are used to estimate them.
In general, there are some local data to estimate the EMC and DWC values, but a lot more monitoring is required to estimate the EMC values accurately. The report also provides recommendations of targeted monitoring programs that can be undertaken to improve estimates of pollutant concentrations and to better understand the pollutant characteristics.
This report will be available for downloading April 2002. Printed copies can be purchased from the Centre Office.
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Centre Office:
CRC for Catchment Hydrology
Dept of Civil Engineering
Building 60
Monash University Vic 3800
Tel: +61 3 9905 2704
Fax: +61 3 9905 5033
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