Design, calculations and performance evaluation of rain gardens in an urban neighborhood of Thessaloniki, Greece

What is it about?

This paper deals with site selection, design and performance evaluation of rain gardens, using an urban neighborhood of Thessaloniki, Greece, as case study. The neighborhood is close to the city centre and suffers from street and sidewalk inundation during rain events of medium intensity. Selection of eight rain garden sites, based on qualitative criteria, is discussed and further supported by preliminary calculations, regarding local sewer efficiency and rain runoff. Moreover, design of certain technical features is discussed, taking into account large street slopes, typical of the study area.

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Why is it important?

Mitigation of damage due to rain events in urban areas is an important issue. It is quite timely due to adverse effects of climate change.