HINDU NOTES-FEBRUARY 1 2019 [UPSC IAS Current affairs]
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Hindu Notes from General Studies-01 Editorials are covered separately. HINDU NOTES are available free date wise| CLICK HERE Giant cavity in Antarctic glacier signals rapid decay News NASA scientists have discovered a gigantic cavity, almost 300 metres tall, growing at the bottom of the Thwaites Glacier in West Antarctica, indicating rapid decay of the ice sheet and acceleration in global sea levels due to climate change. Findings The findings, highlight the need for detailed observations of Antarctic glaciers’ undersides in calculating how fast sea levels will rise in response to warming. Researchers expected to find some gaps between ice and bedrock at Thwaites’ bottom, where ocean water could flow in and melt the glacier from below. The size and explosive growth rate of the hole, however, surprised them. It is big…

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