Researchers are stumped by the appearance of the new hole because it is "deep in the ice pack", Kent Moore, an atmospheric physicist at University of Toronto Mississauga, told the website.
The Weddell Sea polynya is shown as it appeared in passive microwave satellite imagery in the 1970s.
Scientists first reported about its existence in the early '70s, and during that time it opened up for three consecutive winters. This means that whatever is causing it has some sort of repetitive nature, which could help scientists uncover what is happening.
Since the hole continually exposes the water to the atmosphere above, it is hard for new ice layers to form. A similar one appeared a year ago as well, though not as big.
Many climate scientists thought that, based on their theories of climate change, the formation of this deep-sea polynya would not form again in the Antarctic.
"For us this ice-free area is an important new data point which we can use to validate our climate models", said Dr. Torge Martin, meteorologist and climate modeler at the GEOMAR Helmholtz Center for Ocean Research Kiel. Last month, SOCCOM scientists were astonished to discover that a float in the Weddell Sea had surfaced inside the polynya, making contact with satellites in the dead of winter. As per the report, the largest estimates of the hole's current size put it around 80,000 square kilometers. "On-site measurements in the Southern Ocean still require enormous efforts, so they are quite limited". "Denser, colder water sinks to the bottom of the ocean, while warmer water comes to the surface, which can keep the polynia open once it starts". Back then, the opening was as large as Oregon.
Simulated temperature development in the area of the polynya is illustrated above. Under certain conditions, the warm layer can rise to the top, which leads to the melting of ice on the surface. The polynya is the dark region of open water within the ice pack. Moore says it would be "premature" to connect it to climate change, though his team is analyzing data to better understand what could have caused this. But scientists are denying to conclude that this has happened due to global warming. "The better we understand these natural processes, the better we can identify the anthropogenic impact on the climate system", Latif said.
Federica Mogherini, while talking to PBS TV channel, on Wednesday, highlighted Iran's full compliance with the 2015 deal. What exactly that will look like is still being determined, but it could include greater congressional oversight.
Naming former President Clinton's experience as a Rhodes Scholar, Jimmy Carter's work as a nuclear engineer and George H.W. Trump on Saturday denied a frayed relationship with Tillerson but said he sometimes wishes Tillerson would be "tougher".
And while that sounds positive, Australia still needed to step up the intensity to ensure it progresses with certainty. Socceroos boss Postecoglou took a huge risk by benching his best player in Aaron Mooy for this crucial qualifier.
The agency does not issue similar licenses for cable networks like CNN and MSNBC, or regulate internet news or other websites. Trump tweeted . "Bad for country!" Comcast was down almost 1% to 37.31 in late trading on the stock market today .
Hatheier said the shark was "stressed" because it was trapped between the rocks, separated from the ocean and his natural habitat. A Sydney real estate agent has been captured putting fear aside and wrangling a shark during a mid-morning dip in Cronulla.
James Brighton, JLB Design Ltd, added: "The GT-R /C presented some unique challenges and a number of engineering firsts for us". Mardenborough was spawn through the GT Academy which takes gaming drivers and transforms them into real-life racing drivers.
Should Opec keep pumping at similar levels to September, the market could move into a deficit next year, the report indicates. Brent crude futures LCOc1 were trading down 14 cents, or 0.3 percent, to $56.47 per barrel by 12:32 p.m.
The Dodgers have a 2-0 series lead in the best-of-five divisional round following an 8-5 win over Arizona Saturday night. Finally, in his sixth big-league season, Arizona Diamondbacks left-hander Patrick Corbin will make his postseason debut.
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