Experts urged to ratify Minamata Convention to phase out mercury-added products পারদযুক্ত পণ্যের ব্যবহার বন্ধে মিনামাতা কনভেনশন অনুমোদনের আহ্বান সেন্টমার্টিন সৈকতে প্লাস্টিকের আগ্রাসন 72 birds die eating pesticide-treated masakalai Educate girls to save the planet শিশুর সর্দি-কাশি সারানোর ঘরোয়া উপায় 50 Books All Kids Should Read Before They’re 12 24 thousand under 5 children die of pneumonia in Bangladesh annually গ্রিনহাউস গ্যাস কমানোর লক্ষ্যে নানা উদ্যোগ Maldives: Eco-friendly product export destination for Bangladesh

Antarctic glacier melt is unstoppable


A set of West Antarctic glaciers has now entered terminal melt.

Two studies reveal that the glaciers are on an irreversible path to liquefying and stand to raise global sea levels by around 4 meters in coming centuries.

Using two decades of satellite observations of six glaciers in West Antarctica, researchers led by Eric Rignot of the University of California, Irvine found unstoppable meltingthat will probably accelerate in coming centuries. The study appears May 12 in Geophysical Research Letters. In a press conference May 12, researchers noted that the disintegration of the six glaciers could raise sea level by 1.2 meters.

Further alarm bells were sounded in a May 16 Sciencepaper by researchers led by Ian Joughin of the University of Washington in Seattle, who used simulations to show that the Thwaites and Haynes Glaciers in the same region may collapse rapidly in the next 200 to 900 years. Once gone, the glaciers could raise sea levels by 0.6 meters and spur the melt of the rest of the continent’s ice sheet, which could add another 3 to 4 meters to the oceans.

Collected:

https://www.sciencenews.org

Posted by on May 18 2014. Filed under News at Now. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry

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