: Preserving wetlands is crucial for Chennai to stay above water during rains and cyclones #IndiaNEWS It had been raining in Chennai since the beginning of November, which culminated in a heavy spell

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Preserving wetlands is crucial for Chennai to stay above water during rains and cyclones #IndiaNEWS
It had been raining in Chennai since the beginning of November, which culminated in a heavy spell on November 7, when the city recorded over 200 mm of rain.The news of a cyclone hovering over the Andaman and Nicobar islands pushed the panic buttons of the otherwise pragmatic Chennai residents and the social media pages of weather bloggers were full of queries on flooding. The distress of the residents was justified, as Chennai is only 6.7 metres above sea level and more often than not, large areas of the city are quickly flooded after a shower. Memories of the misery of the Chennai floods in December 2015, resurfaced.These incessant rains since the first week of November increased the water table in many areas. In low lying areas, to be precise (areas which were once waterbodies or floodplains), groundwater has been seeping into basements and the ground floor of houses.As Chennai went through another major flooding, the importance of the Pallikarnai marsh came to the fore once again. The marsh, the last remaining natural freshwater wetland in Chennai, acts as a sponge, storing the heavy monsoon rains and releasing them during dry months. There have been recent efforts to protect what is remaining of the...Read more

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