The impact of climate change on storm drainage system

Industrialisation has altered the way the world operates during the last decade. While it has been beneficial in most circumstances, there is one significant negative it has left for us to cope with. Climate change is a major subject that has caused concern around the world. It caused humans to experience extremes such as high temperatures, severe rainfall, famines, and global warming. In this blog, we will look at how it influenced storm drainage systems.

STORMWATER MANAGEMENT

Let’s examine how traditional stormwater management systems are responding to climate change and urbanisation. The following are the issues typical storm drain systems face.

CAPACITY ISSUES

The traditional stormwater drainage solutions are strained by global warming with surplus runoff among other issues. With increased rainfall frequency and intensity, the traditional systems could not sustain the capacity and therefore leaked, causing flooding on the streets.

POOR ADAPTABILITY TO RISING SEA LEVELS

With both rise of sea levels due to global warming and stormwater discharge into rivers, lakes and coastal areas, the nearby residential areas are prone to frequent floods. Additionally, the storm drainage system becomes less efficient in draining water. This can cause both property damage and livelihood damage.

INCREASED URBANIZATION ANDIMPERVIOUS SURFACES

Urban impervious surfaces like buildings and roads cover natural land and are unable to drain the excess runoff resulting from the decrease in natural infiltration. Without adequate green space, underground rainwater drainage systems become influenced, increasing the susceptibility to flooding.

WATER QUALITY ISSUES

Traditional stormwater drainage solutions do little to clean and filter runoff. Toxins such as heavy metals, oil, chemicals, and trash are released directly into water bodies, poisoning the water supply and causing the death of aquatic species. It is a cause of such ailments as algal blooms and habitat destruction

AGING INFRASTRUCTURE AND MAINTENANCE COSTS

Much of the stormwater infrastructure is antiquated, with cracked pipes and outdated designs that must be replaced at tremendous cost. It must be continuously repaired to prevent clogging and collapse, but money to upgrade infrastructure always arrives after the fact. Repair and replacement are so costly that municipalities can’t keep pace with building up stormwater issues

HOW TO PREVENT THESE ISSUES

Green Infrastructure: Integrating Green infrastructure such as bioswales, rain gardens, and urban forests surrounding the urban region will assist in filtering out the stormwater. It is an effective method and works as a natural solution by lessening the possibilities of flooding.

Permeable Surfaces: Permeable surfaces soak up rainwater. Therefore, it assists in groundwater recharge during regular rainfalls

Sustainable Drainage Systems (SuDS): SuDS incorporate a mix of measures like detention ponds, wetlands, and infiltration basins to handle stormwater more effectively. SuDS reduce runoff velocity, erosion, and naturally occurring pollutant filtering.

Rainwater Harvesting and Reuse: Implementing measures such as rainwater gathering and reuse for irrigation, gardening, and domestic duties saves water and lowers infrastructure runoff.

Smart Stormwater Management: We can forecast and manage rainwater drainage systems by implementing contemporary technology techniques like real-time monitoring and artificial intelligence (AI) predictive analysis. By doing this, flooding and infrastructural damage are avoided.

Read more: https://leenusindia.com/the-impact-of-climate-change-on-storm-drainage-system/

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