According to new research conducted by IIT Bombay experts, Mumbai is sinking at a pace of 2mm per year due to a geographical phenomenon known as land subsidence.
Experts have also cautioned that unless urban planners and municipal authorities take immediate action, Mumbai will see more flooding.
In March, research claiming that Mumbai is sinking was published in the peer-reviewed journal Geophysical Research Letters.
It looked at land subsidence in 99 nations and discovered that Tianjin, China, is sinking at a rate of 5.2 centimetres per year, making it the world's fastest sinking coastal metropolis. If you are preparing for competitive exams and looking for expert guidance, you can download our General Knowledge Free Ebook Download Now.
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In March, research claiming that Mumbai is sinking was published in the peer-reviewed journal Geophysical Research Letters.
Current Affairs Ebook Free PDF: Download Here
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What is the cause of the Mumbai sinking?
According to studies conducted by IIT Bombay experts, Mumbai is sinking due to a geographical phenomenon known as land subsidence.
The downward, vertical movement of the Earth's surface caused by groundwater extraction, mining, reclamation of natural wetlands, ecological disturbances, and infrastructure developments is known as land subsidence.
The downward, vertical movement of the Earth's surface caused by groundwater extraction, mining, reclamation of natural wetlands, ecological disturbances, and infrastructure developments is known as land subsidence.
The sinking of Mumbai: How did researchers assess the extent of sinking in 99 coastal cities?
The researchers began by collecting satellite photos of 99 coastal cities taken by the C-band Sentinel-1 A/B Satellite, which was commissioned by the European Commission and the European Space Agency and launched between October 2014 and January 2021.
The Interferometric Synthetic Aperture Radar was used to examine the images of 99 coastal cities. It is a widely used remote sensing technology for monitoring deformations on the Earth's surface.
Every two months, the researchers analysed one satellite image for each city. Every year, six photos were processed to determine the pace of land sinking over five years.
The Interferometric Synthetic Aperture Radar was used to examine the images of 99 coastal cities. It is a widely used remote sensing technology for monitoring deformations on the Earth's surface.
Every two months, the researchers analysed one satellite image for each city. Every year, six photos were processed to determine the pace of land sinking over five years.
In Mumbai, which areas are sinking faster?
According to some studies, the Arabian Sea is increasing at a rate of 0.5 to 3mm per year, implying that some portions of Mumbai are sinking faster than the sea levels are rising.
Churchgate, Colaba, Byculla, Kalba Devi, Kurla, Andheri East, Mulund, Dadar, Nahur East, Wadala, and areas of Tardeo, Trombay, Bhandup, and Govandi saw the most subsidence.
Two large subsidence zones in Mumbai Vasai and Wadala were discovered in a study performed by IIT Bombay.
Churchgate, Colaba, Byculla, Kalba Devi, Kurla, Andheri East, Mulund, Dadar, Nahur East, Wadala, and areas of Tardeo, Trombay, Bhandup, and Govandi saw the most subsidence.
Two large subsidence zones in Mumbai Vasai and Wadala were discovered in a study performed by IIT Bombay.
What Can Be Done If Mumbai Sinks?
In early 2022, the Bombay Municipal Corporation (BMC) announced an ambitious Climate Action Plan.
According to experts, authorities must pay immediate attention to land subsidence as a scientific and socioeconomic concern, because places prone to subsidence are more likely to face flooding and property damage.
Facts to remember
Mumbai is sinking at a pace of 2mm per year due to a geographical phenomenon known as land subsidence.
Tianjin in China is sinking at a rate of 5.2 centimetres per year, making it the world's fastest sinking coastal metropolis.
the Arabian Sea is increasing at a rate of 0.5 to 3mm per year, implying that some portions of Mumbai are sinking faster than the sea levels are rising.
In early 2022, the Bombay Municipal Corporation (BMC) announced an ambitious Climate Action Plan.
Tianjin in China is sinking at a rate of 5.2 centimetres per year, making it the world's fastest sinking coastal metropolis.
the Arabian Sea is increasing at a rate of 0.5 to 3mm per year, implying that some portions of Mumbai are sinking faster than the sea levels are rising.
In early 2022, the Bombay Municipal Corporation (BMC) announced an ambitious Climate Action Plan.
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