'Dangerous' Antarctic glacier has massive hole, scientists warn

'Dangerous' Antarctic glacier has massive hole, scientists warn”

The discovery of cavity beneath Thwaites Glacier along with a number of other disconcerting features offer a new wrinkle to the harrowing tale of West Antarctica. Thwaites has enough ice that if it all melted, global sea levels would rise a little more than two feet.

Researchers expected to find some holes between ice and bedrock at Thwaites' bottom, however, the size and "explosive growth rate" of the cavity shocked them. The size and hazardous development rate of the newfound gap, in any case, astonished them.

"We have suspected for years that Thwaites was not tightly attached to the bedrock beneath it", said Eric Rignot of the University of California, Irvine, and NASA's JPL. "Thanks to a new generation of satellites, we can finally see the detail", he said.

The agency's Jet Propulsion Laboratory used ice-penetrating radar to explore the area beneath the Thwaites Glacier in West Antarctica, often called "one of the world's most unsafe glaciers" because its melting could significantly contribute to sea level rise. This exceptionally high-goals information can be handled by a strategy called radar interferometry to uncover how the ground surface beneath has moved between pictures.

"As more heat and water get under the glacier, it melts faster". The glacier was called to be the "world's most risky glacier", due to the fact that it has just enough ice to raise all the oceans of the world with more than 65 cm.

JPL said the glacier, about the size of Florida, holds enough ice to raise ocean levels another 60 centimetres if it completely melts.

This would inundate coastal cities like NY, which could probably cope with the changes if they were gradual but would be seriously and potentially mortally damaged if sea levels rose too quickly for engineers to mount a response.

Thwaites Glacier in Antarctica has lost most of that ice in only the past three years - a dire forecast for sea level rise.

"We are discovering different mechanisms of retreat", Milillo said. The collaboration includes the U.S. National Science Foundation and British National Environmental Research Council.

Many Antarctic glaciers extend for miles beyond their grounding lines, floating out over the open ocean.

Would melt the entire glacier, could increase the world's oceans of about 65 centimeters, said in the Nasa statement.

From 1992 to 2011, the centre of the Thwaites grounding line retreated by almost 14 kilometres. This data also shed some light on another concern about the glacier's grounding line, the point at which the glacier starts to depart from land and float on the sea.

These findings show the complexity of ice-ocean interactions.

According to the readings, the hidden void is but one ice casualty among a "complex pattern of retreat and ice melt" that's taking place at Thwaites Glacier, sectors of which are retreating by as much as 800 metres (2,625 ft) every year.

Like this



05 February 2019
Not felt sexy for a while during warrior film: Kangana
She did not even spare writer Apurva Asrani , who had accused Ranaut of discrediting his work on their 2017 film " Simran ". Sonu quit the film over disagreements with Kangana and was later replaced by Mohammed Zeeshan Ayyub.

04 February 2019
FSU starting quarterback dismissed from team after video post alleging domestic violence
Francois emerged as the team's starting quarterback in 2016, but missed nearly all of the 2017 season due to a knee injury. Now that Francois is no longer with the Seminoles, Blackman will likely be Florida State's starting quarterback in 2019.

04 February 2019
Pellegrini urges West Ham to play at a 'high pace' against Liverpool
We know we can play much better and we need to improve in the next game. This is the strongest league and you have to respect the other teams.

04 February 2019
Tori Spelling Confirms '90210' Reboot Is Happening
This ran from 2008 to 2013 and was formed to " Melrose Place " the second spinoff of " Beverly Hills, 90210 ". Beverly, Hills 90210 fans rejoice! The show ran for ten seasons and finished in 2000.

04 February 2019
Pizza Hut Delivers To MetroWest Medical Center; Super Bowl Baby Born
If the Patriots and Rams go into overtime during the Super Bowl game , they will be giving out free snack-sized wings. Pizza Hut , Domino's and other pizza chain's are offering deals and specials for Super Bowl LIII .

04 February 2019
Watch SpaceX Test Fire the Raptor Engine
Space X's Starship Raptor rocket engine is part of the company's ambition to transport humans to the moon and beyond. Prior to the damages, Musk shared images of the progress on the test hopper as engineers work to bring it to life.

04 February 2019
Monday marks World Cancer Day
According to a report, almost 50 per cent of women aged between 45 and 65 were found to have the highest risk of cervical cancer . In 2015, there were 680,000 new stomach cancer cases and 500,000 deaths, accounting for almost one-third of all cancers in China.

04 February 2019
IPhone users can now unlock, lock app via Face ID, Touch ID
A fingerprint authentication feature appears to be under development for Android and it could be released in the coming update. According to the report by WABetaInfo , users can also set the time duration before which the app locks down WhatsApp.

04 February 2019
Eden Hazard believes Chelsea are capable of beating Manchester City
I put [Mateo] Kovacic on the pitch after the fourth goal because Jorginho had a little problem to his groin. We need to arrive to play 75, 77 minutes like the first 25 in this match.

04 February 2019
Refugee footballer pleads Thai authorities not to extradite him to Bahrain
He says he was beaten in custody in Bahrain before obtaining asylum in Australia, where he continued to play semi-professionally. In the early days of Al-Araibi's detention, tax arrangements and retail developments between the two nations were reported.