Jakarta, IO – Jakarta is ranked first in coastal cities in the world that are at risk of sinking by 2100 according to the World Economic Forum (WEF). The threat is mainly due to the impact of global warming which triggers sea level rise as well as excessive groundwater use, per CNN Indonesia, Wed (27/12).
WEF said Jakarta is sinking at the rate of 6.7 inches (17 cm). Much of the city is predicted to be umder water by 2050.
In line with WEF, Heri Andreas, a geologist at the Bandung Institute of Technology (ITB), revealed that another factor causing the sinking of Jakarta is land subsidence by up to 20 centimeters per year due to groundwater extraction.
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“In 100 years there will be a decrease of 10 meters,” explained Heri. “This factor is the most significant cause of tidal floods. Because the land continues to sink, after a long time under the sea,” he continued.
Based on satellite data from NASA, sea level rise due to global warming continues to expand from 1993 to 2022. Other than Jakarta, other cities that are also predicted to sink by 2100 are Bangkok, Venice, Rotterdam, Alexandria and Miami. (un)