Detailed Project Report submitted for offshore artificial southern reef in Puducherry
The Hindu
The DPR for the offshore reef submitted by the National Centre for Coastal Research (NCCR) is part of a hybrid solution to address rampant erosion of Puducherry’s coastline and restore the city’s pristine beach.
A Detailed Project Report (DPR) for construction of an offshore artificial southern reef as part of a hybrid solution to address rampant erosion of Puducherry’s coastline and restore the city’s pristine beach has been submitted to the Puducherry Government by the National Centre for Coastal Research (NCCR) under the Ministry of Earth Sciences.
Based on a request from the territorial government to mitigate the problem caused by coastal erosion, the National Institute of Ocean Technology (NIOT), also under the Ministry of Earth Sciences studied detailed coastal processes including nearshore currents of the coastline, wave characteristics and constructed the first offshore artificial reef on the northern side of Puducherry’s coastline. Work on the northern reef began in 2017 and was completed in 2019.
“The successful deployment of the reef by NIOT helped in reducing wave activity and allowed sand to freely move towards the north to prevent erosion along the coastline.
However, the objective is for the union territory’s coastline to be more resilient and without the southern reef in place, the beaches to the south may be unstable and may disappear once the nourishment is terminated.
The project is proposed to be taken up under the Smart City. Once the DPR is approved, on-ground implementation will commence,” an official said.
According to M.V. Ramana Moorthy, Director of NCCR, “The second reef is needed to prevent sand spilling from the city back towards the port. The southern reef will capture sand arriving from the north during the north-east monsoon and ensure that all nourishment takes place on the city’s beach. Implementation of the proposed hybrid solution (beach nourishment and two reefs) would not only protect the coast but also restore the lost beach.”
According to him, the southern reef will serve multiple purposes and would be beneficial to the economy, environment, tourism, and well-being of the coastal communities in addition to its contribution to Puducherry’s beach restoration project.”
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