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LATEST NEWS UPDATES | Marooned once more: on Chennai's need for flood management

Marooned once more: on Chennai's need for flood management

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published Published on Nov 6, 2017   modified Modified on Nov 6, 2017
-The Hindu

Chennai needs integrated flood management, especially the revival of lakes and water tanks

Chennai’s date with a strong northeast monsoon ought to be a cause for all-round relief since the water fortunes of more than eight million residents of the metropolitan region depend on this weather system. Yet, the torrential rains in the meteorological sub-division, exceeding the normal by 93% in the period of four days from November 1, left tens of thousands of citizens in a state of despair. Flood waters marooned them in the rapidly growing suburban housing clusters, with many having to flee to safer places fearing a repeat of the deluge of 2015. While there have been efforts to alleviate immediate misery through the distribution of relief material in some places, the larger issue of how the city deals with flood and drought cycles remains unaddressed. Chennai is a lower elevation coastal city with global aspirations, and very high population density. Scientific management should have ensured the preservation of the many traditional lakes and canals that existed in the city’s core a century ago to absorb the intense downpour of about 1,300 mm of rain, most of it in an annual window of a few weeks. Successive governments have allowed the mindless draining of wetlands and their conversion into expensive real estate, with catastrophic consequences. Regrettably, the great flood two years ago, which left many dead and families impoverished, has not yielded a policy course correction. If the Tamil Nadu government is serious about putting Chennai on the global map of economically viable cities, it must move beyond the creation of weak storm water drains to an integrated flood management system.

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The Hindu, 6 November, 2017, http://www.thehindu.com/opinion/editorial/marooned-once-more/article19988296.ece?homepage=true


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