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Trigger and Impact | Quick-sinking coastal cities in Asia: A ticking time bomb
What's frequent between Ho Chi Minh Metropolis in Vietnam, Chittagong in Bangladesh, Istanbul in Turkey, Tianjin in China and Surat in India?
PREMIUM
For the research, scientists analysed 48 of essentially the most densely populated cities, together with Surat in Gujarat. (AFP)
These cities, dwelling to a mixed estimate of 55 million individuals, are among the many quickest sinking coastal cities on the earth, new analysis has proven, shining gentle on an often-overlooked consequence of speedy, uncontrolled urbanisation.
The paper, Sea-level rise from land subsidence in main coastal cities, revealed within the journal Nature Sustainability in September final 12 months, mentioned that coastal cities in South and Southeast Asia are sinking, at a charge exceeding tens of millimetres per 12 months in some circumstances, heightening dangers already posed by rising sea ranges.
This sinking of the bottom – native land subsidence – "in cities constructed on flat, low-elevation river deltas” has elevated the vulnerability of huge populations to relative sea degree rise, the scientists mentioned.
Scientists used satellite tv for pc imagery taken between 2014 and 2020 to analyse sinking land throughout 48 of essentially the most densely populated coastal cities, with populations of at the least 5 million. They discovered that the median velocity of land subsidence in every of the cities ranges as a lot as 16.2 millimetres, or greater than 0.6 inches yearly.
kninfocare.com/trigger-and-impact-quick-sinking-coastal-c...
Trigger and Impact | Quick-sinking coastal cities in Asia: A ticking time bomb
What's frequent between Ho Chi Minh Metropolis in Vietnam, Chittagong in Bangladesh, Istanbul in Turkey, Tianjin in China and Surat in India?
PREMIUM
For the research, scientists analysed 48 of essentially the most densely populated cities, together with Surat in Gujarat. (AFP)
These cities, dwelling to a mixed estimate of 55 million individuals, are among the many quickest sinking coastal cities on the earth, new analysis has proven, shining gentle on an often-overlooked consequence of speedy, uncontrolled urbanisation.
The paper, Sea-level rise from land subsidence in main coastal cities, revealed within the journal Nature Sustainability in September final 12 months, mentioned that coastal cities in South and Southeast Asia are sinking, at a charge exceeding tens of millimetres per 12 months in some circumstances, heightening dangers already posed by rising sea ranges.
This sinking of the bottom – native land subsidence – "in cities constructed on flat, low-elevation river deltas” has elevated the vulnerability of huge populations to relative sea degree rise, the scientists mentioned.
Scientists used satellite tv for pc imagery taken between 2014 and 2020 to analyse sinking land throughout 48 of essentially the most densely populated coastal cities, with populations of at the least 5 million. They discovered that the median velocity of land subsidence in every of the cities ranges as a lot as 16.2 millimetres, or greater than 0.6 inches yearly.
kninfocare.com/trigger-and-impact-quick-sinking-coastal-c...