One of world's largest icebergs drifting beyond Antarctic waters after it was grounded for 3 decades
London, Nov 25: One of the world's largest icebergs is drifting beyond Antarctic waters, after being grounded for more than three decades, according to the British Antarctic Survey.
The iceberg, known as A23a, split from the Antarctic's Filchner Ice Shelf in 1986. But it became stuck to the ocean floor and had remained for many years in the Weddell Sea.
The iceberg is about three times the size of New York City and more than twice the size of Greater London, measuring around 4,000 square kilometres (1,500 square miles).
Andrew Fleming, a remote sensing expert from the British Antarctic Survey, told the BBC on Friday that the iceberg has been drifting for the past year and now appears to be picking up speed and moving past the northern tip of the Antarctic Peninsula, helped by wind and ocean currents.
"I asked a couple of colleagues about this, wondering if there was any possible change in shelf water temperatures that might have provoked it, but the consensus is the time had just come," Fleming told the BBC.
"It was grounded since 1986, but eventually it was going to decrease (in size) sufficiently was to lose grip and start moving," he added.
Fleming said he first spotted movement from the iceberg in 2020. The British Antarctic Survey said it has now ungrounded and is moving along ocean currents to sub-Antarctic South Georgia.
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Andhra govt issues NOC to Vedanta Ltd to drill 20 onshore oil, gas wells
Amaravati (PTI): The Andhra Pradesh government has issued a conditional 'No Objection Certificate' to Vedanta Ltd (Cairn Oil & Gas Division) for drilling 20 onshore wells in Krishna district.
According to a recent Government Order, Vedanta Limited (Cairn Oil & Gas Division) has submitted a representation, stating that their firm was awarded the work of development of the Onshore Oil and Gas Field under the Discovered Small Field (DSF) Policy, 2018.
Further, they requested to grant a No Objection Certificate (NOC) for drilling wells at 35 locations in the block located in various village limits for Onshore Oil and Gas Development and Production, from the Water Resources Department of Andhra Pradesh, as the Bandar Canal passes through the centre of the proposed block.
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“After careful examination of the matter, the government hereby issues ‘No Objection Certificate’ to M/s Vedanta Limited (Cairn Oil & Gas Division), Mumbai, for drilling 20 Nos. of wells at the locations mentioned at para (2) above subject to the terms & conditions as mentioned at para (3) above,” the order said.
The Engineer-in-Chief (Irrigation), Water Resources Department, Vijayawada, the Chief Engineer, Krishna Delta System, Vijayawada, and the Collector of Krishna District shall take necessary action accordingly, it added.
According to the order, the NoC can be issued only from the irrigation point of view and is purely temporary in nature. The applicant shall obtain all required permissions from the departments concerned before commencing operations, as per norms.
No water shall be drawn from irrigation canal sources such as the Bandar Canal, KDS canal network, drainage network, ponds, reservoirs, or any other surface-water source, it said.
Cairn Oil & Gas, a division of Vedanta Limited, is India’s largest private oil and gas exploration production company, contributing approximately a quarter of the country’s domestic crude production, with a vision to increase this contribution to 50 per cent through sustainable and responsible practices.
