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8 days ago
Global sea ice diminishing: NASA

Washington, Feb 11 (IANS) The gains from sea ice increase in Antarctica do not cancel out the loss from the accelerated decrease in Arctic sea ice of the last decades, a study by NASA has found. As a whole, the planet has been shedding sea ice at an average annual rate of 35,000 square kilometers since 1979, the findings showed. Even though Antarctic sea ice reached a new record ...

23 days ago
Ocean warming melting one of largest Antarctica glaciers

Sydney, Jan 27 (IANS/EFE) One of the largest glaciers on the planet, Totten, is melting due to ocean warming, a phenomenon that demonstrates the vulnerability of East Antarctica and its role in increasing the level of the oceans. The Totten glacier, 120 km long and 30 km wide, is one of the largest glaciers on the planet and also one of the least understood glacier systems, Steven Rintou...

2 months ago
Robot sheds light on Antarctic sea ice

New York, Nov 25 (IANS) Using an underwater robot built by an Indian-American scientist, a team of international researchers has developed the first detailed, high-resolution 3-D maps of Antarctic sea ice. The Autonomous Underwater Vehicle (AUV) known as SeaBED provides accurate ice thickness measurements from areas that were previously too difficult to access. The AUV has been d...

4 months ago
Presidential visit helps India establish presence in key Arctic region

New Delhi, Oct 20 (IANS) With the resource-rich Arctic region becoming the focus of heightened attention, President Pranab Mukherjee's visit to the two Nordic countries of Norway and Finland last week was a crucial step by India to assert its willingness to have a strong presence in the Arctic Council and to work closely with the eight countries of the region. Mukherjee, who paid a six-d...

4 months ago
Antarctic sea ice at record high: NASA

New York, Oct 8 (IANS) Sea ice around Antarctica has reached its highest level since measurement started in 1979, NASA said. The upward trend in the Antarctic, however, is only about a third of the magnitude of the rapid loss of sea ice in the Arctic Ocean. The new Antarctic sea ice record reflects the diversity and complexity of the Earth's environment, said NASA researchers.

4 months ago
Arctic Sea ice helps balancing CO2 level

London, Sep 23 (IANS) Arctic Sea ice removes carbon dioxide (CO2) from the atmosphere and if Arctic Sea ice is reduced further, we will be face an increase in atmospheric concentration of CO2, says a study. Because of global warming, more and more parts of Arctic Sea ice melt in the summer and when these freeze over in the winter, the ice is thinner. As the Arctic summers get war...

6 months 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...

7 months 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...

7 months 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...

1 year 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...

1 year 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 ...

1 year 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...

1 year 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...

1 year 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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

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