engleski

The Comparison of Green and Conventional Stormwater Management – Zagreb Case Study

Stormwater management continues to evolve as a result of increased regulatory requirements and a desire to create sustainable solutions that attempt to bring urban water cycle closer to the natural hydrologic cycle. There is also the intention for increasing the use of stormwater for various purposes and improving energy efficiency in the urban water cycle. Such management approaches are known as Low Impact Development (LID), Green Infrastructure (Blue- Green Infrastructure), or Sustainable Urban Drainage Systems (SUDS). This attempts are reflected in the efforts addressing both water quality and quantity thus creating processes such as infiltration and bioretention as well as treating urban stormwater runoff apart from centralized wastewater treatment plant. Such actions often differ from conventional stormwater management that is primarily oriented to be in the service of stormwater runoff quantity thus reducing the possibility of storm floods. In order to choose between these different management approaches it is necessary to be able to compare them. This paper analyses the application of different stormwater drainage scenarios. One comprising of conventional drainage infrastructure and other that includes a use of sustainable drainage infrastructure on one small urbanized area and one undeveloped urban area in the city of Zagreb in Croatia.

energy efficiency ; low impact development ; stormwater management

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