Moving west along the front (down in the image) the ice changes into what looks like alligator skin. Sarah works as a programme administrator within the Science Coordination Office (SCO) to help with the organisation of meetings and any other administrative needs supporting the researchers involved in … Similar to the multibeam echo sounder, sub-bottom profiles are also created from sound, but using different frequencies and computer processing to generate an image that shows seafloor structure and sedimentary layers. Along the 150-kilometer ice front, the satellite images show two different types of ice shelves. They move up, down, and forward through the ocean by motorized internal mechanisms- oil bladders and weights which can be manipulated remotely. The ice shelf currently extends 15 km beyond the grounding line, which marks the transition from the land-based ice stream. The eastern ice shelf looks like a large solid piece of ice. A file photo of the Thwaites Glacier in Antarctica, known as the 'Doomsday Glacier'. The unexpectedly calm waters enabled the Palmer to map at a quarter of a nautical mile of the calving front of the ice shelf. Six coring sites and the 14 cores that were collected to try and sample a variety of depths and places that may record the past behavior of the ice shelf. Arriving around 5 a.m., the Palmer begins to map the uncharted perimeter, the multibeam simultaneously mapping the seafloor in front and as far under the shelf as the angle of the sound pulse could extend. Your email address will not be published. The International Thwaites Glacier Collaboration consists of eight projects focused on specific aspects of the glacier, and one coordinating project. Email: geol@rice.edu, Register a member of Rice Department of Earth, Environmental, and Planetary Sciences, Login to Rice Department of Earth, Environmental, and Planetary Sciences, Information for Arriving Thesis Graduate Students, 2021 NSF REU: Planetary Habitability Over Space and Time, ESCI 557(3) – Unconventionals: from subsurface carbon to reservoir characterization, ESCI 114: Discoveries in Earth, Environmental & Planetary Sciences, GIESS – Graduate Interdisciplinary Earth Science Symposia, Student Scholarships, Fellowships and External Funding Sources, Rice Undergraduate Geosciences Society – RUGS, Earth Science Center for Computing (ESCC), IRESS 2020– Unconventionals: from subsurface carbon to reservoir characterization, https://earthscience.rice.edu/wp-content/uploads/2019/01/thor-image-banner-right-e1548370427944.jpg, https://earthscience.rice.edu/wp-content/uploads/2019/08/Rice_Natural_Sciences_Earth-Environmental-and-Planetary-Sciences_Earth-Environmental-and-Planetary-Sciences_Informal_Digital_Horizontal_Color.jpg. The Hugin also deployed on a 13-hour mission to conduct a survey of the seafloor. FOC/UK- permit No. Thwaites glacier, on the west of Antarctica, is a remote place, around 1000 miles from US and UK research stations. The Thwaites glacier is 74,000 square miles, roughly the size of the UK. Thwaites Glacier accounts for one-third of the mass loss from the ASE.” Scientists discovered the hole thanks to Italian and German satellites, as well as NASA’s Operation IceBridge, a program that since 2010 has used ice-penetrating radar aboard aircraft flying over Antarctica to study connections between polar regions and global climate. Thwaites Glacier today is rapidly losing mass in response to changing atmospheric and oceanic conditions. This material is based upon work supported by the National Science Foundation under grant number NSF-PLR 1738913, and reviewed by NSF. Site by, Life on the Research Icebreaker Nathaniel B. Palmer. “Thwaites is a terrifying glacier,” Anandakrishnan says simply. The International Thwaites Glacier Collaboration is performing some magnificent science, conducting the most ambitious fieldwork ever undertaken at the tip of what is one of the most significant glaciers on Earth. While the Palmer might be able to navigate it, the interferences caused by the ice would produce very little usable multibeam data. As of the 6th of March, THOR collected 14 cores from six sites, with the first three gathered in the early hours of the 27th from a site that was identified from the initial multibeam survey line at the face of the ice shelf. A look at maps of the region's ice loss makes this clear, says Nick Holschuh, a geologist at Amherst College. However, statements or recommendations expressed here are those of the authors, and do not necessarily reflect the views of the National Science Foundation. 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