One of the effects of climate change is the continuous rise in sea level, which has multiple negative impacts, both for human life and for marine ecosystems.
The increase in water temperature and the melting of glaciers and polar ice are some of the factors that explain this phenomenon, which began to be studied by experts a few years ago.
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Some time ago, a report titled “Extreme sea levels at different levels of global warming” was published in Nature magazine, in its climate change special, which determined which coastal areas of the world could be left underwater between now and 2100.
The research concluded that extreme events conducive to coastal flooding will be experienced with unprecedented frequencies around the world. In the case of Chile, three regions They have a high risk of flooding.
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The 3 areas of Chile that would remain under water, according to a study
The study addresses the rising extreme sea levels (ESL in English and NEM in Spanish), caused by storm surges, tides and waves. These phenomena, exacerbated by global warming, could contribute to the increase in global mean sea level.
“Locations that are sensitive to even the lowest level of warming of 1.5°C identified in our analysis, are the tropics and the subtropics“, highlights the study.
Chile is not mostly subtropical, but it has regions that have subtropical characteristics, especially some coastal areas in the central-northern part of the country. According to the analysis, the regions most affected by this increase in the frequency of NEM are Atacama, Coquimbo and Valparaíso.
As a chart published by Meteored shows, areas that are not colored purple are highly sensitive to minimum global warming. The red rectangle shows the areas that would be flooded towards the end of this century.
He 2016 Paris Agreement aims to limit global temperature rise this century to less than 2 degrees Celsius above pre-industrial levels, but even if that happens, extreme flood events will still be experienced more frequently.
