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Introduction

MUSIC is the Model for Urban Stormwater ImprovementConceptualisationImprovement Conceptualisation, first developed by the music Development Team ofthe of the CRC for Catchment Hydrology, and now enhanced by the eWaterCooperative eWater Cooperative Research Centre.

 

music provides the ability to simulate both quantity and qualityof quality of runoff from catchments ranging from a single house block up tomany to many square kilometres, and the effect of a wide range of treatmentfacilities treatment facilities on the quantity and quality of runoff downstream.

 

music isalso is also being adapted to other environments and regions, including theUKthe UK, France, Germany, Singapore, Malaysia and others and localpartners are assisting eWater with this. To adapt it to theseregions, local climatic and hydrologic data is being obtained,calibration and parameterisation activities undertaken andadaptation and adaptation of particular elements of the software are improved tobetter to better apply it in the local context.

 

Background

 

Many organisations, from governments to catchment managementgroupsmanagement groups, have introduced initiatives to protect the aquaticenvironment aquatic environment of urban areas. Often these initiatives have focussedon focussed on point sources of pollution, such as sewage discharge andindustrial effluent. Building on the success of these initiatives,organisations are now turning their attention to diffuse sources ofpollutionof pollution, such as urban stormwater. Indeed, stormwater runoff isrecognised is recognised as a major carrier of urban pollutants.

 

It is difficult to prevent stormwater from damaging andpolluting and polluting creeks because runoff can be contaminated almost anywhererain any where rain falls, and excessive flows will occur wherever there areimpervious are impervious surfaces directly connected to watercourses.Consequently, successful initiatives to manage stormwater mustadopt must adopt a catchment-wide approach, with a particular focus on tackingthe tacking the sources of stormwater runoff at or near their source. Thediffuse sources of stormwater pollution also demand amultia multi-disciplinary approach. Successful initiatives may need tointegrate to integrate a range of urban planning and design disciplines,including urban hydrology, land-use planning, landscape design andasset and asset life-cycle economics.

 

The Cooperative Research Centre for Catchment Hydrology (CRC)addressed these deficiencies through its Urban Stormwater QualityResearch Quality Research Program. The program's research culminated in music (theModel for Urban Stormwater Improvement Conceptualisation). As anaid an aid to decision-making, music predicts the performance ofstormwater of stormwater management systems. It is intended to help organisationsplan organisations plan and design (at a conceptual level) appropriate urbanstormwater urban storm water management systems for their catchments. This latestversion latest version of music contains numerous improvements through furtheranalysis further analysis of the science, and learnings gathered while applyingmusic applying music into new environments.

 

A pilot version of music was released in March 2001 for betatesting beta testing by Melbourne Water, Brisbane City Council and associatedconsultantsassociated consultants. Following the eight-month testing period, musicVersion music Version 1 was released to the stormwater industry at large. musicVersion music Version 2 (December 2003) extended the capabilities of the originalprogram original program through additional calculation and presentation features,greater ability to export data for external analysis, andsubstantially and substantially smaller saved files. music Version 3 introduced theLife the Life Cycle Costing module, provided two additional treatment nodes(rainwater tanks and infiltration basins), and offered furtheroptions further options to import and export model data. music Version 4significantly improved the bioretention node based on the outcomesof outcomes of research from the Facility for Advancing Water Biofiltration andadded and added further functionality improvements to the model.

 

The model's algorithms are based on the known performancecharacteristics performance characteristics of common stormwater improvement measures. ThesedataThese data, derived from research undertaken by the former CRCCH, theeWater the eWater CRC, affiliated research agencies and other organisations,represent the most reliable information currently available in ourindustryour industry. Nonetheless, knowledge gaps remain. music will evolve asresearchersas researchers, and the stormwater industry generally, conductsfurther conducts further research into:

·the catchment factors influencingthe influencing the generation of stormwater pollutants and the characteristics ofthese of these pollutants;
·the hydrologic impacts ofimplementing of implementing sustainable stormwater systems;
·various physical, chemical andbiological and biological processes influencing the performance of stormwaterimprovement stormwater improvement facilities; and
·how aquatic ecosystems respond tothe to the intermittent and stochastic loading of stormwater-basedpollutantsbased pollutants.