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Express News Service
CHENNAI: With sea erosion threatening to displace them, Pulicat fishermen demanded that the State government declare Kattupalli coast as a ‘High Erosion Zone’. The tag would prevent mega projects like the one proposed by Adani Ports from using the fragile coastline. Erosion triggered by ports constructed at the southern portion of Kattupalli island is already eating into Korakuppam and Sattankuppam. Sattankuppam has decided to evacuate the entire village.
As part of their respective environmental-clearance, the ports were required to undertake ‘beach nourishment’ by dredging sand accumulated to the south of their breakwaters and depositing it on the northern side. While beach nourishment cannot reverse or arrest erosion, it can reduce the rate of erosion.
Updated:
Over hundred square km of waterways and agricultural land lost.
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The report predicts the possibility of excessive flooding in MMR if corrective measures are not taken. A file photo of Thane creek. | Photo Credit:
VIBHAV BIRWATKAR
Over hundred square km of waterways and agricultural land lost. A study assessing satellite data over 30 years (between 1990 and 2019) on identifying critical impacts of coastal inundation along Mumbai Metropolitan Region (MMR) and Konkan region has found siltation at the mouth, causing shrinking width of creeks and waterways.
It indicates that a total area of 107.6 square km of waterways and agricultural land has been lost and naturally converted into mudflats or mangrove areas in MMR due to rapid changes in the coastal ecosystem over the last 30 years.
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