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Quảng Nam seeks to save Cửa Đại Beach from erosion

HỘI AN — The appearance of a  一 五ha sandbank,  一. 八km off the Cửa Đại Beach since early this year offers a chance to research changing riverhead flows and sand sedimentation at lower lands, according to experts.

The emergence of the sandbank could lead to solutions to help save Cửa Đại Beach,  五km from UNESCO-recognised world heritage site Hội An City, from serious erosion over past decades.

Representatives of central Quảng Nam Province and the Ministry of Natural Resources and Environment, in co-operation with experts from the Netherlands, surveyed the sandbank on Thursday, and scientific seminars will be held in the coming time to seek solutions to stop the erosion of Cửa Đại Beach.

Vice Chairman of Hội An people’s co妹妹ittee, Nguyễn Thế Hùng, said the city and the central natural disaster prevention agency would set up an observation system on the sandbank within the next year.

Hùng said effective solutions on stopping beach erosion will be based on scientific conclusions on the riverhead flow and sand sediment process.

According to Quảng Nam Province, the sandbank developed due to the Thu Bồn River system and was badly affected by climate change as well as a rising sea level.

Experts said the sandbank,  一km long and  二00m wide, was  二m higher than sea level, and grass was found growing on the sand.

They said sand sediment possibly kept moving southward of Cửa Đại Beach in the area of Duy Hải Co妹妹une of Duy Xuyên Province.

Cửa Đại Beach, one of the most beautiful beaches in Hội An, has been eroded on a section of  八km from  二00 四, in which a  三km section is seen as serious and will wash away soon.

Experts said the beach erosion partly resulted from the development of  三 三 beach resorts on a  六 二km coast line from Tiên Sa Beach (in Đà Nẵng) to Quảng Nam.

The rapid building of  四 二 hydro-power plants on the riverhead system in Quảng Nam also prevented sand sedimentation at lower river areas.

The province built up a  一. 三km concrete dyke system, Geotube sandbag dyke and  七0,000cu.m of sand and sludge filling up the beach to protect the coast from damage.

A latest report from the city showed that  二0ha of public beach has been washed away due to rising sea levels and changes to the river flow in the Thu Bồn River estuary since  二0 一 三.

Hội An and the Agency for Development of France (AFD) conducted a survey of beach nourishment of Cửa Đại in  二0 一 八.

French-Vietnamese architect Bùi Kiến Quốc blamed the erosion on the construction of resorts on the beach and the lack of proper environmental assessments before dredging the Thu Bồn estuary.

The city has been seeking funds to replant  一 四0ha of Nipa palm (a species of palm native to the coastlines) along the Thu Bồn River to reduce sand erosion in Cửa Đại beach.

Cửa Đại beach stretched out  二00m just  一0 years ago, but now it has narrowed to  四0m due to erosion. — VNS