The Woods Hole Oceanographic Institution (WHOI) is a private, non-profit organization on Cape Cod, Massachusetts, dedicated to marine research, engineering, and higher education. In 1985, he discovered the RMS Titanic, and has succeeded in tracking down numerous other significant shipwrecks, including the German battleship Bismarck, the lost fleet of Guadalcanal, the U.S. aircraft carrier Yorktown, and John F. Kennedy’s boat, PT-109. It is habitually a key and busy time for…. The author of numerous books, scientific papers, and articles, he has been featured in several National Geographic television programs, including “Secrets of the Titanic” a five-part mini-series, “Alien Deep with Bob Ballard.” and, in 2019, “Expedition Amelia.”  He was a special advisor to Steve Spielberg on the futuristic television show seaQuest DSV. The highest thinning rates occur where warm water at depth can access thick ice shelves via submarine troughs crossing the continental shelf. Despite this limitation, the paper can help scientists better understand—and prepare for—the melting to come. His shark research has spanned the globe from the frigid waters of the Arctic Circle to coral reefs in the tropical Central Pacific. “The methodology is robust.”. “If you watch a glacier or ice sheet for a month, or a year, you’re not going to learn much about what the climate is doing to it,” says Ben Smith, a glaciologist at the University of Washington and lead author of the new paper, published online in Science April 30. The scientists found the net loss of ice from Antarctica, along with Greenland’s shrinking ice sheet, has been responsible for 14mm of sea level rise between 2003 and 2019 – slightly less than a third of the total amount of sea level rise observed in the world’s oceans. For more than 30 years, Greg has been actively involved in the study of life history, ecology, and physiology of sharks. Born in New Zealand, Simon received his B.S. All this additional sea ice dramatically slows the pace of future warming around Antarctica, the researchers report, which is seemingly welcome news. Established in 1930, its primary mission is to understand the ocean and its interaction with the Earth as a whole, and to communicate an understanding of the ocean’s role in the changing global environment. She loves Earther forever. “These first results looking at land ice confirm the consensus from other research groups, but they also let us look at the details of change in individual glaciers and ice shelves at the same time,” says Tom Neumann, ICESat-2 project scientist at NASA’s Goddard Space Flight Centre. However, given the distance from the actual seafloor, these maps were of a lower resolution. But the ice shelves do provide stability for the glaciers and ice sheets behind them. Even the most state-of-the art climate models currently do not account for changes in the, The opposite temperature response is found in the ocean at the base of the ice sheet where the ice is 'glued' to the bedrock. “The ice shelves hold the ice sheet up. While the delayed future warming found in the new simulations may sound like good news, the researchers say it is important to keep in mind  that serious warming and sea level rise will still occur with unabated greenhouse gas emissions, which will impact coastal communities and ecosystems worldwide. By continuing on this site, you consent to their use. The Kangerlussuaq and Jakobshavn glaciers, for example, have lost 4m to 6m of elevation per year; the glacial basins have lost 16 gigatons per year and 22 gigatons per year, respectively. They have found that ice sheet retreat rates 10,000 years ago make today’s rate of retreat look like baby steps. “It’s really like looking at something under the microscope for the first time.”. Williams and her crewmates are working closely with Boeing to develop their new spacecraft systems, which will provide roundtrip crew transportation services to the International Space Station and, along with SpaceX’s CrewDragon, return the ability to launch humans into space from United States soil. The results provide insights into how the polar ice sheets are changing, demonstrating definitively that small gains of ice in East Antarctica are dwarfed by massive losses in West Antarctica. These findings can improve how scientists’ model the future of ice and what it means for sea level rise. Simon Thorrold is an ocean ecologist at Woods Hole Oceanographic Institution.

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