![]() Polynyas form primarily through two ways: The ice is either blown out of the region or melts, forming the hole. And warmer temperatures mean that lost ice is not likely to be replaced. As the ice gets thinner, it's easier to create these polynyas with less extreme forcing, so there is some evidence that these polynyas may become more common, or become larger, than they were in the past," Moore said. "The thing about thinning ice is that it's easier to move it around. With Arctic ice getting thinner every year, polynyas could form more frequently, setting off a feedback loop of ice loss. So that this is happening is also really, really highlighting how the Arctic is changing," said Babb. It's sort of like a crack in the shield of this solid ice cover that typically exists in that area. ![]() "The formation of a polynya in the area is really interesting. The new study shows the region may not be as resilient to climate change as previously thought. But it's unusual for sea ice as thick as in the Last Ice Area to be blown around, especially far from the coast where winds tend to be weaker than near the coast, he said. He combed through decades of sea-ice imagery and atmospheric data and found that polynyas formed there at least twice before, under similar conditions in 20, but no one had noticed.Įxtreme wind conditions created the gap by pushing ice aside, which is common, said David Babb, a sea ice researcher at the University of Manitoba who was not involved in the study. The surprise polynya formed during extreme wind conditions in a lingering anti-cyclone, or a high-pressure storm with high winds that rotate clockwise, Moore found. So, we generally haven't seen polynyas form in that region before," said Kent Moore, an Arctic researcher at the University of Toronto-Mississauga who was lead author on the study. North of Ellesmere Island it's hard to move the ice around or melt it just because it's thick, and there's quite a bit of it. "No one had seen a polynya in this area before. The formation of the polynya was unusual because of its location, off the coast of Ellesmere Island, where the ice is up to five meters thick. The polynya is the first one that has been identified in this part of the Last Ice Area, according to a new study detailing the findings in the AGU journal Geophysical Research Letters, which publishes high-impact, short-format reports with immediate implications spanning all Earth and space sciences. All Right Reserved.In May 2020, a hole a little smaller than the state of Rhode Island opened up for two weeks in the Last Ice Area, a million-square-kilometer patch of sea ice north of Greenland and Ellesmere Island that's expected to be the last refuge of ice in a rapidly warming Arctic. “Commitment is Our Virtue”, is important to the team. ![]() Success through actively practicing our motto, Latest News Our business objective is to serve our customers and exceed theirĮxpectations.The contract will commence on 3rd quarter of 2022 and are expected to be completed by 1st quarter of 2024. In addition, Bastion has also secured a contract, Conrad Kuala Lumpur from Binatex Sdn Bhd to supply, install, testing, commissioning and maintenance of Electrical and RCU (Remote Control Utility) Package, for a total value of RM11.1 million. The project has commenced this month and are expected to be completed by 1st quarter of 2024. Install, testing, commissioning and maintenance of ICT and Security Package, for a total value of RM15.4 The company has managed to secure a new contract, Hyatt Regency Hotel from Hap Seng Group to supply, Latest News Bastion secures two hospitality projects totaling approximately RM 26.5 million
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