Some American scientists, after studying 99 cities around the world, have said that coastal cities are sinking faster than previously estimated.
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Some American scientists, after studying 99 cities around the world, have said that coastal cities are sinking faster than previously estimated. Due to rising sea levels, many cities are likely to drown in the coming 50 years. But in a recent study, scientists have found that the rate of sinking of some cities is faster than the rise in sea level. This is happening due to land subsidence in these cities.
Scientists Pei-Chin Wu, Meng Wei and Steven D’Hont from the Department of Oceanography at the University of Rhode Island, USA, in collaboration with the US Department of Geology, conducted the study on the beaches. In his research, he found that the rate of sinking of many coastal cities around the world has increased.
study of 99 cities
These scientists have assessed 99 coastal cities around the world by studying photographs taken from satellite. Scientists say that the rate of drowning varies from city to city, but if this trend continues, many cities will be flooded earlier than previously thought based on sea level models.
Scientists have given the example of Indonesia, where the capital is being shifted to a new place in place of Jakarta, because Jakarta is sinking rapidly. Scientists say that Jakarta is sinking faster due to the drying up of its groundwater.
The condition of other areas is also no better. In their paper, the researchers say, “In the study we conducted in collaboration with Tom Parsons of the US Geological Survey, we found that most of New York City is sinking by one to four centimeters every year. The reason for this is not only the melting of glaciers, “It also weighs in at more than a million buildings. In a city where sea levels are projected to rise between eight and 30 inches by 2050, subsidence also increases its vulnerability to coastal storms.”
need to prepare now
These scientists estimate that most of America’s cities situated on the Atlantic coast are drowning due to melting ice of glaciers. Researchers say that even if the sinking rate is minus one millimeter per year, its importance should be understood, especially in the Gulf of Mexico, Houston and New Orleans etc.
Scientists say, “Governments around the world will have to deal with the challenge of submergence of coastal areas. The increasing threat of floods is a common challenge of the entire world.” Scientists believe that the power of machine learning is increasing their monitoring and research capabilities, but they urge city planning officials, policy makers and disaster managers to start preparing for the problem of drowning today. .
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