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When sea levels rise, damage costs rise even faster
The researchers developed a method to measure the monetary losses from coastal floods under sea-level rise. \"Our study illustrates that the flood damage can be disentangled by surprisingly simple mathematical functions to provide estimates of the average annual costs of sea-level rise over a longer time period,\" Boettle added.
London (IANS): With the rise in sea levels, costs of climatic damages like floods are also increasing constantly at a higher rate, impacting the coastal regions of the world, says a study. "When sea levels rise, damage costs rise even faster," said lead author Markus Boettle from Potsdam Institute for Climate Impact Research (PIK) in Germany.
The researchers developed a method to measure the monetary losses from coastal floods under sea-level rise. "Our study illustrates that the flood damage can be disentangled by surprisingly simple mathematical functions to provide estimates of the average annual costs of sea-level rise over a longer time period," Boettle added.
The researchers applied the method to the city of Copenhagen in Denmark and found that a moderate mean sea level rise of 11 centimetres until mid-century would in the same period double economic losses in this city, given no action is taken.
Expected regional sea level rise was taken into account by separating two components, namely the increasing number of events and the increasing severity of each one. Climate change pose a greater risk for coastal regions as it leads to rise in sea-level which, in turn, produces more frequent and intense coastal flood events.
