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2 days ago
Snow cover on Arctic sea ice has thinned significantly: NASA

Washington, Aug 18 (IANS) In an alarming revelation, NASA has confirmed that the snow on sea ice in the Arctic has thinned significantly in the last 50 years - by about a third in the western hemisphere and by half near Alaska. The research by NASA and University of Washington, Seattle recorded changes in snow depth over decades by combining data from various sources. In the stud...

28 days ago
Research questions satellite data over Antarctic sea expansion

Washington, July 23 (IANS) The Antarctic sea ice may not be expanding as fast as previously thought, a new research suggests, adding that there may be a processing error in the satellite data. Arctic sea ice is retreating at a dramatic rate. In contrast, satellite observations suggest that sea ice cover in the Antarctic is expanding and that sea ice extent has reached record highs in rec...

1 month ago
Underwater vehicle to measure Antarctic Sea ice

London, July 16 (IANS) In a bid to get a better understanding of the effects of global climate change, New Zealand scientists will begin a project to measure Antarctic sea ice from below this coming southern summer. Using a remote underwater vehicle, University of Canterbury professor Ian Hawes will measure the thickness and biological productivity of Antarctic Sea ice to understand its rol...

7 months ago
China's trapped icebreaker makes successful escape

Beijing, Jan 8 - Trapped Chinese research vessel and icebreaker Xuelong made a successful escape through heavy sea ice at 6:30 p.m. Tuesday. Xuelong, or Snow Dragon, has been making consistent efforts to veer around the whole day while navigating through thick floes, Xinhua reported. The vessel had a difficult time trying to make a turnaround rightward, which started at 5 a.m. Monday...

7 months ago
Chinese helicopter lifts passengers from trapped Russian ship

Beijing, Jan 2 - A Chinese helicopter Thursday transferred all 52 passengers aboard a stranded Russian ship to a safer place near an Australian rescue ship, 10 days after the MV Akademik Shokalskiy got stuck in ice in the Antarctic sea. The passengers, as well as luggage, scientific instruments and equipment, were flown to a safer place near the Aurora Australis by Xueying 12, a helicopter ...

7 months ago
Bad weather slows rescue effort for trapped Russian vessel

Canberra, Dec 30 - An Australian icebreaker is travelling slowly due to the poor weather and has so far come within 11 nautical miles of the Russian vessel trapped in the Antarctic Sea ice for the past six days, the authorities said Monday. The Russian ship, MV Akademik Shokalskiy, built in Finland in 1982, is carrying a team of Australian scientists and other passengers to conduct scientif...

10 months ago
Civil society groups urge governments to save planet

New Delhi, Sep 27 - Governments have been handed a firm mandate to act decisively on the climate crisis by a report released by the Intergovernmental Panel on Climate Change -. The IPCC report made it clear that human activities were responsible for climate change, the Climate Action Network - Friday said. The Climate Action Network - a group of 850 NGOs - said for the first time, th...

10 months ago
Salient points of IPCC report

* Extremely likely - 95 per cent certainty - that humans the dominant cause of global warming * Average surface temperatures up 0.85 degrees since 1880 * World temperatures to rise 2-4.8 degrees by 2100 * The rate of sea-level rise since the mid-19th century has been larger than the mean rate during the previous two millennia * Atmospheric concentrations of carbon dioxi...

1 year ago
Sea level rising 60 percent faster than estimated

Washington, Nov 29 - The world's sea level is rising 60 percent faster than the central projections of the Intergovernmental Panel on Climate Change -, says a new study. Satellite measurements show the sea level is actually rising at a rate of 3.2 mm a year compared to the estimate of two mm a year in the IPCC report. Results were obtained by taking averages from the five available g...

1 year ago
Sea level rising faster than expected, warns expert

Washington, Nov 2 - The sea level is rising faster than expected and may cross one metre mark by the end of this century -- double that of the estimates made by the Intergovernmental Panel on Climate Change in 2007, says a study. What's missing from the models used to forecast sea-level rise are critical feedbacks that speed everything up, says Bill Hay, a geologist at the University of Col...

1 year ago
Indian Navy hopeful of getting INS Vikramaditya by April 2013

New Delhi/Moscow, Sep 17 - Amid reports of another delay in the delivery of INS Vikramaditya, the Indian Navy said Monday it was hopeful of getting the refurbished aircraft carrier by April next year. The Indian Navy is hopeful that Russia can still meet the contractual obligation for delivery of the aircraft carrier, that includes the leeway period of three-four months, Indian Navy spokesp...

1 year ago
Arctic sea ice shrinks to smallest ever

Washington, Aug 28 - Sea ice covering the Arctic has shrunk to its smallest size ever observed in the three decades since consistent satellite observations of the polar cap began, according to NASA scientists. The extent of Arctic sea ice on Aug 26 was 4.1 million square km or 70,000 square km below what was almost five years ago on Sep 18, 2007, when daily extent of 4.17 million square km ...

2 years ago
Global warming may cause Emperor penguins to vanish

Washington, June 21 - Scientists have warned that Emperor penguins, Antarctica's largest and most iconic flightless birds, may vanish if global temperatures and sea ice melting continues unabated. Over the last century, we have already observed the disappearance of the Dion Islets penguin colony close to the West Antarctic Peninsula, says biologist Stephanie Jenouvrier from Woods Hole Ocea...

2 years ago
Arctic ice melt prelude to severe winters

Washington, June 7 - The dramatic melt-off of Arctic sea ice due to climate change could lead to severe winter outbreaks, reveals a study. Charles H. Greene, professor of earth and atmospheric sciences at Cornell University and colleague Bruce C. Monger, senior research associate, detail this phenomenon, the journal Oceanography reported. Everyone thinks of Arctic climate change as t...

2 years ago
Crew members found alive aboard missing Russian ship

Moscow, Nov 17 - All 11 crew members aboard a Russian ship that went missing in the White Sea were found alive and rescued, Xinhua reported. On Tuesday, the Emergency Situations Ministry confirmed that the Captain Kuznetsov, en route from St. Petersburg to the Arctic Sea port city of Arkhangelsk, went missing in the White Sea without sending any SOS signals. The Transport Ministry W...

2 years ago
Arctic sea ice to melt by 2015: Expert

London, Nov 10 - The Arctic Sea ice could completely melt away by mid 2015, destroying the habitat of polar bears and other endangered animals, says an expert. Peter Wadhams, professor at Cambridge University, warned the ice over the Arctic Sea is shrinking so fast that it could be gone in about four years. Although it would reappear again every winter, its absence during the peak of...

2 years ago
Arctic Sea could become iceless by century-end

London, Oct 12 - The Arctic Sea could become iceless by the century-end, according to a chilling scenario forecast by the world's leading scientific institutes. Researchers from CNRS, Universite Joseph Fourier - and the Massachusetts Institute of Technology -, the US, have now explained why the Arctic sea ice has suffered such an unexpected yet dramatic loss over the recent decades exceedin...

2 years ago
Arctic's sea ice melt hits second-lowest level

Washington, Oct 7 - The extent of sea ice covering the Arctic Ocean has dipped to the second-lowest level, narrowly missing a new record low, said satellite data from NASA. The Arctic ice cap grows each winter as the sun sets for several months and shrinks each summer as the sun rises higher. Each year it reaches its annual minimum extent in September. It hit a record low in 2007. <...

2 years ago
Arctic sea ice hits second-lowest level

Washington, Oct 5 - The extent of sea ice covering the Arctic Ocean in September declined to the second-lowest on record, said experts. The Arctic ice cap grows each winter as the sun sets for several months and shrinks each summer as the sun rises higher in the northern sky. Each year the Arctic sea ice reaches its annual minimum extent in September. It hit a record low in 2007.

3 years ago
Arctic ice melt likely to stabilise

Washington, Aug 12 - Arctic sea ice, which seems fated to melt in response to warming climate, might stabilise or even expand over the next few decades. The computer modelling study bolsters previous findings that natural causes alone cannot explain Arctic ice loss in recent decades. But in an unexpected result, scientists from the National Center for Atmospheric Research - found that Arcti...

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