Warming of oceans to add to sea level rise due to glacier melt

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Warming waters due to global warming will result in rising of sea levels by about 30cm by the end of the century, in addition to the rise caused by melting ice and glaciers, says a new analysis.

The report, published on Thursday in the journal Science, found that the oceans are warming up at an accelerated pace, matching the predictions of climate change models.

Due to a process called thermal expansion, warm oceans take up more space. Warm ocean also leads to increased frequency and intensity of storms, hurricanes and extreme rainfall.

Even if the greenhouse gas emissions are halted, cooling down oceans — which play the most important roles in regulating the world’s climate — would require decades.

The report analysed four studies published between 2014 and 2017 and built a fuller picture of ocean warming than was previously possible.

Read: Study traces warming of oceans in the last 150 years

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