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Full Description
Urban population growth dramatically alters material and energy fluxes in the affected areas, with concomitant changes in landscape, altered fluxes of water, sediment, chemicals and pathogens and increased releases of waste heat. These changes then impact on urban ecosystems, including water resources and result in their degradation. Such circumstances make the provision of water services to urban populations even more challenging. Changing weather patterns, rising temperature and large variations in precipitation contr- ute to increased damages, caused by weather related disasters, including floods. Ones of the major contributors to increasing flood peaks are land use changes and particularl- urban development. Consequently, there is a need to look for low environmental impact land development and to manage runoff in urban areas by storm water management. Much progress in the management of urban waters has been achieved in the most - vanced jurisdictions, but much more remains to be done. In this respect the EC Water Framework Directive can provide some guidance. Urban water management issues are particularly important in the countries in transition in Central and Eastern Europe. During the last decade political, economical and social changes in the countries under transition have influenced almost every element of the public sector, including water services. There is an urgent need for exchange of information among various countries on this issue and for identification of best approaches to achieving this transition.
Contents
I: Challenges in Management of Urban Waters: Impacts on Receiving Waters.- Overview of Urban Stormwater Impacts on Receiving Waters.- Municipal Wastewater Treatment Policy Referring to EU Guidelines and its Impact on Receiving Waters from Rivers to the Receiving Seas.- DSS Tools Applied for the Best Strategy for Investment in Water and Environment in CEE Countries — Key Elements for Future Support for Applications of Structural Funds of EU.- Documented Impacts of Urban Effluents on Water Resources in the Czech Republic.- Problem of Groundwater Contamination from Suburban Waste Disposal.- II: Urban Drainage.- Urban Drainage Water and Storm Water Management.- Examples of Urban Drainage Master Plans — Prague Case Study.- Surface Runoff Modelling in Steep Terrain in a GIS Environment.- Quality Assurance in Model Based Water Management.- Quantity and Quality Data from a Stormwater Catchment in Italy.- III: Urban Flood Protection.- Reduction of Flood Damages in Urban Areas of Canada.- The Catastrophic Flood in Gdansk on July 2001.- Risk of Flood Stage Exceedance Upstream from a Bridge.- An Approach for Runoff Computation Using Three Data Mining.- IV: Challenges in Urban Water Supply.- Transformation of the Water Supplying Sector in the Countries of Central Europe.- Impact of Hydraulic Conditions on the Water Quality in the Distribution Network. Case study from Prague's network.- Requirements on the Water Supply Systems in Romania.- Cost Effects of Different Calculation Methods on Water Distribution Systems.- V: CSO Management and Control.- CSO: State of the Art Review.- CSO Pollution Control Policies and Procedures in the UK.- Optimal Wastewater System Storage Tank Volume to Meet Receiving Water Quality Standards.- VI: Wastewater Management.- Wet-Weather TransientImpacts on Wastewater Treatment.- Sizing of Wastewater Sludge Anaerobic Digesters.- Low Lime Coagulation for the Enhancement of Primary Treatment of Urban Wastewater.- Integrated Modelling of Urban Wastewater Systems.- VII: Urban Water and Catchment Management.- The Data Mangement for Master Planning Water Supply, Drainage and Waste Treatment.- Study, Assessment and Problems of Management of Small Urban Reservoirs in Belarus.- Water Protection of the Dyje River Basin.- Lielupe River Basin Management Plan: Pollution Sources and Characteristics.- VIII: Urban Water Services Delivery.- Management and Developent Strategy for Water Supply and Sewerage in Bulgaria.- Main Private-Sector Participation in Water Utilities: Risks and Possibilities for Their Reduction and Mitigation.- Private Sector Participation in Water and Wastewater Management in Bulgaria. Sofia Case Study. Firststage of assets management planning and business process re-engineering.
