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Ice melting in Antarctica can cause rise in sea levels

  • By Shalini Gupta |
  • Saturday, January 28th, 2017 |
  • 0 Comments
 

Ice melting in Antarctica can cause rise in sea levels even more than 1 metre. Image Courtesy – http://blogs.ei.columbia.edu.

Scientists have observed by a new research that sea-level throughout the world may rise more than 1 metre by 2100 due to melting of ice in Antarctica region if we fail to control emissions of greenhouse gases. The science journal “Nature” has published this research report. They described that cities will be immersed with water throughout the globe. The report revealed that ice melting from Antarctica is one of the major issues; other issues are melting of glaciers around the world and ice melting from Greenland due to hotter temperature. So, naturally the sea-level will be expanded across the world.

“As we learn more about the ways that ice sheet are capable of losing ice, our revisions are going higher and higher”, said NASA atmosphere researcher Joshua Willis. He also told that there were a lot of procedures that they were starting to perceive and understand it.

The research, which was done jointly by Rob DeConto of the University of Massachusetts, Amherst, MA, and David Pollard, Professor of Yale University for Statistics, Mathematics & Economics, told that people are unable to realize the dangers of rise in sea-level, thus they are indifferent to arrange for proper preparation.

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DeConto and Pollard demonstrated with a computer model to highlight the changes that will be held in future, which included historic atmosphere and ice-sheet data. Their models demonstrated that ice melt do not have direct connection with increase of temperature, because it has various other reasons. One of its reasons was splitting of ice sheets. Partially because of that wonder, sea-levels were as much as 30 ft. higher than today as of late as 115,000 years prior, a time of uncommonly warm temperatures known as the Last Interglacial, as indicated by the study.

According to the researchers, unwanted results could come quickly with real ice-sheet loss when we would approach to 2050. The procedures of ice-sheet loss may take hundreds of years to turn around once they are ‘set in motion’. Melting of ice from Antarctica is supposed to rise sea-level more than 13 metres without any action.

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According to DeConto and Pollard model, assuming forceful people activity to control greenhouse gas emissions, a situation will come that calls for net-zero or negative carbon discharges by the year 2100. With this aftermath, sea-level rise will be insignificant instead of ice melting in Antarctica. Such a situation can only be attainable if governments of various countries follow through on the “Paris Agreement”, which approaches nations to target keeping temperatures down from rising more than 2°C above pre-modern levels by 2100.

Achieving such a target is really very much difficult. It occurs with many failures by countries after starting the agreement. But, the levels of warming as of now appear to be approaching the Paris Agreement’s 2°C edge. Surprisingly, warm temperature ever recorded in February was 1.2°C higher than the normal worldwide temperature during twentieth century. What was more significant – regardless of the fact that temperatures are kept beneath the edge, researchers may not suspect the sudden procedures that happen with even 1.5°C of temperature rise. According to scientist Joshua Willis, “We may not know until we watch it, some of these procedures flee when they begin”.

Not only the scientists, administrations of various countries throughout the world also should come forward to make common minimum programs as preventive measures, and it should be focussed on various media platforms to make efficacious awareness to people.

Reference: Time

 

Shalini Gupta
Shalini Gupta is a teacher at New Delhi with multifarious talents. She has passion for reading, writing, drawing, sketching etc. simultaneously with her teaching job. presently she is writing for Bigumbrella.

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