A research team led by Khim Jong-seong, a professor in Seoul National University's school of earth and environmental sciences, found that tidal flats in the southwest of the Korean peninsula hold about 13 million tons of carbon and absorb 260,000 tons of carbon dioxide annually, according to the Ministry of Oceans and Fisheries.
In the evaluation of organic carbon stocks and sequestration rates of coastal sediments in South Korea, the team scientifically proved that tidal flats absorb huge amounts of carbon dioxide naturally, the ministry said. For four years from 2017, Khim's team surveyed sediments collected from 20 mudflats and evaluated blue carbon and greenhouse gas absorption in coastal wetlands in other areas through remote exploration using satellite data.
It is the world's first national study to investigate the ability of mudflats to absorb carbon dioxide, the ministry said in a statement on July 6. "It is encouraging that South Korea has scientifically proven the role of mudflats for the first time in the world as part of global efforts to cope with climate change," Khim was quoted as saying.
Khim said his team would carry out more research so that mudflat blue carbon can be recognized as a carbon reduction source. The ministry pledged support for the creation of salt plants on mudflats. "This study confirms that Korean mudflats, one of the world's top fives, have value as a carbon sink," said Song Sang-geun, a ministry official in charge of maritime policy.
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