Abstract
Sustainable Drainage Systems (SuDS) are solutions used to reduce the effects of soil sealing and to contribute to sustainable storm water management. In recent years, many projects have been implemented in Europe, the United States, and Australia, but most of them have either not been monitored at all or have only been monitored in the short-term, so there is little information on the evolution of efficiency and clogging. Experiences in the Mediterranean are even rarer, so the main purpose of this research is to provide information about the long-term behavior of one kind of SuDS, the permeable pavements, in the middle-term under Mediterranean climatic conditions. This work shows the results of a real project developed in southern Spain, which has been monitored for five years. The evolution of efficiency in permeable pavements and their relationship with saturation are analyzed and discussed in this research. These results will help to manage and maintain permeable pavements in areas with a Mediterranean climatology.
Highlights
The fast growth of cities and the need to facilitate increasingly intense road traffic has generated a model of urbanization based on impervious surfaces [1]
Conventional drainage systems are affected by this waterproofing process as they have not been designed for an increasing volume of runoff that is expected to continue to increase due to climate change [10,11]
The ongoing process of ‘soil sealing’ is having serious environmental consequences in our cities, and the use of Sustainable Drainage Systems (SuDS) as a tool for its mitigation and compensation has become popular in recent years
Summary
The fast growth of cities and the need to facilitate increasingly intense road traffic has generated a model of urbanization based on impervious surfaces [1]. This has resulted in 67% of the 1000 km of surface area that is urbanized per year in Europe [2] being impermeable [3]. Sustainable Drainage Systems (SuDS) have proved to be a useful tool for mitigating the impact of imperviousness on storm water runoff in urban areas [12,13], mimicking the pre-development hydrologic conditions by facilitating storage, infiltration, and evapotranspiration processes [14,15]. Scientific literature uses different terms for these systems, such as Sustainable Drainage Systems (SuDS), Low Impact Development (LID), Water Sensitive Urban Design (WSUD), Best Management Practices (BMP), and innovative storm water
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