A mate on the bridge spotted some rocky coastline this morning. This island is on no chart we know of! We look forward to visiting by Zodiac and sampling the rocks tomorrow and are pondering names for this new bit of land. @GlacierThwaites, #nbp2002, photo by @BortolottoGui. pic.twitter.com/J44zFz5T8H— Julia Smith Wellner (@houston_wellner) February 11, 2020
"After being the first visitors, we can now confirm that the island of Sif is made of granite and is covered by what remains of the ice platform,” he wrote in a tweet, the geologist marina, university of Houston (Texas, Usa), Julia Smith , that on February 11 he reported with amazement that they had faced together with his colleagues on the island that you think a time has been part of the platform of the glacier Pine Island, which, along with the Thwaites, today, is among those in the most rapid shrinkage due to the high temperatures in the antarctic. To "consume" these large plates are the oceanic water of the sea of Amundsen - always hot - that insinuates itself into the ice causing the dissolution.
After being the first visitors, we can now confirm that the Sif Island is made of granite and that it is covered by remnant ice shelf, and a few seals. Photos by CD Hillenbrand (BAS) and Laura Taylor (UH). @glacierthwaites @glacieroffshore @GAViglione #nbp2002 @BAS_News @UHEAS pic.twitter.com/dtWtdI95tL— Julia Smith Wellner (@houston_wellner) February 23, 2020
Although the island has a mass that is visible from the satellite, explains Nature, so far has remained hidden thanks to the shell of ice that covers it. And because the area is a little battered by the ships, no-one had ever stumbled in the rocks that just barely beginning to emerge, and not only for the climate change act. The retreat of the glaciers in the west Antarctic has, in fact, exercised a pressure on the earth's crust to lift the mass of rock. A phenomenon that, if observed, as explained by the glaciologa of the exas A&M University – Corpus Christi University Lindsay Prothro , can help scholars to understand how climate change and melting glaciers are affecting the antarctic continent.
After the calving of B49 and the little bergs that went with it, this is the new face of the Pine Island Ice Shelf. Nice to see it up close and personal, even if it's not the glacier we are meant to be near. @UHEAS @GlacierThwaites @GlacierOffshore #nbp2002 pic.twitter.com/ziXZFLBJJJ— Julia Smith Wellner (@houston_wellner) February 20, 2020
it is Not the first time that an island is "hidden" emerges from the glaciers that are retreating, noted Paul Cutler , director of the program of glaciology in the National Science Foundation in the Usa Alexandria, Virginia. Others have appeared in the last years in the canadian Arctic and in Greenland. But the Sif's Island offers a new opportunity to study the geological evolution of an area still largely unknown.
Looks like ice retreated from the new "Sif Island" near #ThwaitesGlacier, #Antarctica since the early 2010s, based on a quick look at @googleearth timelapse.@ThwaitesGlacier @GlacierThwaites @rdlarter https://t.co/mt1E0QBEkk pic.twitter.com/UQr1hppukL— Peter Neff (@peter_neff) April 24, 2020
"The Republic will fight always in defense of the freedom of information, for its readers and for all those who have at heart the principles of democracy and civil coexistence"Carlo Verdelli SUBSCRIBERS TO REPUBLIC © Reproduction reserved Today on the Siege to Europe Greece, a wall against the in-migrants to the blackmail of The Sultan: the other three billion to stop the wave Bonino: "Europe has failed the migrants and has given Erdogan the weapon of blackmail" Europe between virus and migrants: two crises, the same failure