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Indian Coastal cities likely to underwater by century-end, IPCC reports 2021.

 Indian Coastal cities likely to underwater by century-end, IPCC reports 2021.

Indian Coastal cities likely to underwater by century-end

Here we come with a New IMP News in our informative blog site knowing steps360. The Intergovernmental Panel on Climate Change (IPCC) has dire warnings for India, which is already going through an unpredictable upheaval in weather patterns and environmental factors. The most dangerous risk factor is the rising sea level that threatens to submerge 12 coastal cities in the country by the end of the century.

The cities could be nearly three feet underwater by the century's end, the climate change report has warned. The cities include Mumbai, Chennai, Kochi, and Visakhapatnam, among others.

The analysis comes from Nasa, which has used the IPCC report to assess changes in sea levels across the world. The space agency has identified 12 Indian cities that are likely to experience the brunt of climate change and rising sea levels if the situation is not contained.

 IPCC has been providing global-scale assessments

The IPCC has been providing global-scale assessments of Earth’s climate every five to seven years since 1988, focusing on changes in temperature and ice cover, greenhouse gas emissions, and sea levels across the planet. Their sea-level projections are based on data gathered by satellites and instruments on the ground, as well as analysis and computer simulations.

Why are coastal cities vulnerable?

The IPCC report indicates that the sea level around Asia has been increasing at a faster rate than the average global rate. The report indicates that extreme changes in sea levels, previously seen once in 100 years, could happen once every six to nine years by 2050.

It added that climate change is bringing multiple different changes in different regions -- which will all increase with further warming. These include changes to wet and dryness, to winds, snow and ice, coastal areas, and oceans.

Indian Coastal cities likely to underwater by century-end

It is to be noted that the global mean sea level is rising at a rate of around 3.7 millimeters per year, according to estimates made between 2006 and 2018. Meanwhile, glaciers in the Hindu Kush Himalayan (HKH) region will keep shrinking and the snow cover will retreat to higher altitudes. One of the authors of the report, Krishna Achuta Rao, said in the HKH region, the snow cover has reduced since the early 21st century and glaciers have thinned, retreated and lost mass since the 1970s.

Which Coastal cities are in underwater India?

Here are the Indian cities that will face the brunt of climate change as they fear rising sea levels. While these are initial projections at the current rate, if the trends continue by the end of the century these coastal cities will go under as much as three feet of water.

Kandla: 1.87 feet

Okha: 1.96 feet

Bhaunagar: 2.70 feet

Mumbai: 1.90 feet

Mormugao: 2.06 feet

Mangalore: 1.87 feet

Cochin: 2.32 feet

Paradip: 1.93 feet

Khidirpur: 0.49 feet

Visakhapatnam: 1.77 feet

Chennai: 1.87 feet

Tuticorin: 1.9 feet

Himalayan Glaciers Also likely to affect

While the sea levels rise, the continuous melting of glaciers in the Himalayas is likely to affect over a billion people, who are directly or indirectly dependent on these resources. 

Indian Coastal cities likely to underwater by century-end

An earlier report by the Indian Institute of Technology (IIT) Indore on the glacial hydrology of rivers in the Himalayan Karakoram region had shown that glaciers and snowmelt are important components of the Himalayan Karakoram rivers with greater importance for the Indus than the Ganga and Brahmaputra basins. The team projects that the total river runoff, glacier melt, and seasonality of flow are set to increase until the 2050s, and then decrease.

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