Stormwater Management in Sponge Cities

Dear Colleagues,

Sponge cities are urban areas designed to absorb, capture, and manage stormwater runoff in a sustainable manner, mimicking the natural hydrological cycle. This concept is a response to rapid urbanization and the increased instances of flooding and water pollution.

Some key aspects of stormwater management in sponge cities include the permeable surfaces such as permeable pavements, green roofs, and porous sidewalks. These surfaces allow rainwater to infiltrate into the ground rather than running off into storm drains. Incorporating green infrastructure elements like rain gardens, bioswales, and vegetated swales helps to capture and absorb stormwater. These features not only manage stormwater but also provide additional benefits such as improving air quality, enhancing biodiversity, and reducing urban heat island effect. Water Harvesting and Reuse is another key aspect to promote the harvesting and reuse of stormwater for various purposes such as irrigation, toilet flushing, and groundwater recharge. This reduces the demand of potable water sources and helps to mitigate water scarcity. By implementing these strategies and technologies, sponge cities aim to mitigate the adverse impacts of urbanization on water resources, improve urban resilience to climate change, and create healthier and more sustainable urban environments.

Effective stormwater management in sponge cities requires integrated planning and public awareness and education.

We particularly invite contributions concerning the various aspects described in the summary.

Dr. Cristina Matos
Guest Editor

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• NbS
• rainwater and stormwater management
• stormwater quality
• runoff reduction