Six more islands have large swaths of land, and villages, washed into sea as coastline of Solomon Islands eroded and overwhelmed

Five tiny Pacific islands have disappeared due to rising seas and erosion, a discovery thought to be the first scientific confirmation of the impact of climate change on coastlines in the Pacific, according to Australian researchers.



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The submerged islands were part of the Solomon Islands, an archipelago that over the last two decades has seen annual sea levels rise as much as 10mm (0.4in), according to research published in the May issue of the online journal Environmental Research Letters.

The missing islands, ranging in size from 1 to 5 hectares (2.5-12.4 acres) were not inhabited by humans.

But six other islands had large swaths of land washed into the sea and on two of those, entire villages were destroyed and people forced to relocate, the researchers found.

Facebook Twitter Pinterest Many of the Solomon Islands are low-lying and prone to flooding from rising seas. Photograph: BBC NHU/Jon Clay/BBC NHU

One was Nuatambu island, home to 25 families, which has lost 11 houses and half its inhabitable area since 2011, the research said.

The study is the first that scientifically “confirms the numerous anecdotal accounts from across the Pacific of the dramatic impacts of climate change on coastlines and people,” the researchers wrote in a separate commentary on an academic website.

The scientists used aerial and satellite images dating back to 1947 of 33 islands, as well as traditional knowledge and radiocarbon dating of trees for their findings.

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The Solomon Islands, a nation made up of hundreds of islands and with a population of about 640,000, lies about 1,000 miles north-east of Australia.

The study raises questions about the role of government in relocation planning, said a Solomon Islands official.

Map of Nuatambu Island Map of Nuatambu Island.

“This ultimately calls for support from development partners and international financial mechanisms such as the Green Climate Fund,” Melchior Mataki, head of the Solomon Islands’ National Disaster Council, was quoted as saying in the commentary.

The Green Climate Fund, part of United Nations Framework Convention on Climate Change, was founded to help countries deal with climate change.

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In April, the Solomon Islands was among the 177 nations that signed a global agreement reached in Paris to curb climate change.

Ad hoc relocation has occurred on the islands, the study said. Several Nuatambu islanders moved to a neighbouring, higher volcanic island, the study said. Other people were forced to move from the island of Nararo.

Sirilo Sutaroti, 94, is among those who had to relocate from Nararo. He told researchers: “The sea has started to come inland, it forced us to move up to the hilltop and rebuild our village there away from the sea.”