A roadmap for Antarctic and Southern Ocean science for the next two decades and beyond

Mahlon C Kennicutt ll, Steven Loudon Chown, John Joseph Cassano, Daniela Liggett, Lloyd Samuel Peck, Rob Massom, Steve R Rintoul, John William Vanstan Storey, David Vaughan, Terry J Wilson, Ian Frederick Allison, Jeff Ayton, Renuka Badhe, Jenny Baeseman, Peter J Barrett, Robin Bell, Nancy Bertler, Sun Bo, Angelika Brandt, David BromwichS Craig Cary, Melody S Clark, Peter Convey, Erli Schneider Costa, Don A Cowan, Robert DeConto, Robert B Dunbar, Chris Elfring, Carlota Escutia, Jane Francis, Helen A Fricker, Mituso Fukuchi, Neil Gilbert, Julian Gutt, Charlotte Havermans, David S Hik, Graham Hosie, Christopher D Jones, Yeadong Kim, Yvon Le Maho, Sanghoon Lee, Marcelo Leppe, German L Leichenkov, Xichen Li, Vladimir Y Lipenkov, Karin Lochte, Jeronimo Lopez-Martinez, Cornelia Ludecke, W Berry Lyons, Sergio Marenssi, Jessica Walsh, William James Sutherland

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125 Citations (Scopus)


Antarctic and Southern Ocean science is vital to understanding natural variability, the processes that govern global change and the role of humans in the Earth and climate system. The potential for new knowledge to be gained from future Antarctic science is substantial. Therefore, the international Antarctic community came together to ‘scan the horizon’ to identify the highest priority scientific questions that researchers should aspire to answer in the next two decades and beyond. Wide consultation was a fundamental principle for the development of a collective, international view of the most important future directions in Antarctic science. From the many possibilities, the horizon scan identified 80 key scientific questions through structured debate, discussion, revision and voting. Questions were clustered into seven topics: i) Antarctic atmosphere and global connections, ii) Southern Ocean and sea ice in a warming world, iii) ice sheet and sea level, iv) the dynamic Earth, v) life on the precipice, vi) near-Earth space and beyond, and vii) human presence in Antarctica. Answering the questions identified by the horizon scan will require innovative experimental designs, novel applications of technology, invention of next-generation field and laboratory approaches, and expanded observing systems and networks. Unbiased, non-contaminating procedures will be required to retrieve the requisite air, biota, sediment, rock, ice and water samples. Sustained year-round access to Antarctica and the Southern Ocean will be essential to increase winter-time measurements. Improved models are needed that represent Antarctica and the Southern Ocean in the Earth System, and provide predictions at spatial and temporal resolutions useful for decision making. A co-ordinated portfolio of cross-disciplinary science, based on new models of international collaboration, will be essential as no scientist, programme or nation can realize these aspirations alone
Original languageEnglish
Pages (from-to)3-18
Number of pages16
JournalAntarctic Science
Issue number1
Publication statusPublished - 2015

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