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New report recommends research priorities for Antarctic and Southern Ocean science


2015-08-11
(Press-News.org) WASHINGTON -- An initiative to better understand how melting ice sheets will contribute to sea-level rise, efforts to decode the genomes of organisms to understand evolutionary adaptations, and a next-generation cosmic microwave background experiment to address fundamental questions about the origin of the universe are the top research goals for Antarctic and Southern Ocean science recommended in a new report from the National Academies of Sciences, Engineering, and Medicine.

The report, which offers a strategic vision to guide the U.S. Antarctic Program at the National Science Foundation over the next 10 years, also recommends that NSF continue to support a core program of investigator-driven research across a broad range of disciplines and strengthen logistic and infrastructure support for the priority research areas.

"The discoveries emerging from the Antarctic and the Southern Ocean advance our understanding of how our planet works and how our universe formed," said Robin Bell, professor of geology and geophysics at the Lamont-Doherty Earth Observatory of Columbia University in New York and co-chair of the committee that conducted the study. "Continued Antarctic and Southern Ocean research will produce new insights that will be critical as society adapts to the global consequences of change in these remote regions."

Informed by extensive input from the scientific community, the committee selected the three large-scale research goals based on the criteria of compelling science, potential for societal impact, time sensitivity, readiness and feasibility, and key areas for U.S. and NSF leadership. Additional criteria included partnership opportunities, impacts on NSF program balance, and the potential to help bridge disciplinary divides.

The report proposes a major new effort called the Changing Antarctic Ice Sheets Initiative to investigate how much and how fast melting ice sheets will contribute to sea-level rise. The initiative's components include a multidisciplinary campaign to study the complex interactions among ice, ocean, atmosphere, and climate in key zones of the West Antarctic Ice Sheet, and a new generation of ice core and marine sediment core studies to better understand past episodes of rapid ice sheet collapse.

A second strategic research priority is to understand from a genetic standpoint how life adapts to the extreme Antarctic environment. For more than 30 million years, isolated Antarctic ecosystems have evolved to adapt to freezing conditions and dramatic environmental changes, and now must adapt to contemporary pressures such as climate change, ocean acidification, invasive species, and commercial fishing. Sequencing the genomes and transcriptomes of critical populations, ranging from microbes to marine mammals, would reveal the magnitude of their genetic diversity and capacity to adapt to change.

In addition to being a vast natural laboratory, Antarctica has a dry, stable atmosphere that offers an ideal setting for astrophysical observations. The report recommends a next-generation experimental program to observe cosmic microwave background radiation, the "fossil light" from the early universe. This would include an installation of a new set of telescopes at the South Pole, as part of a larger global array, which will allow highly sensitive measurements that could detect signatures of gravitational waves. Such observations might provide evidence that could confirm the theory of cosmic inflation and the quantum nature of gravity, as well as address other enduring questions about the nature of the universe.

"Although remote, the changes occurring in the Southern Ocean and Antarctica can directly influence the United States," said committee co-chair Robert Weller, senior scientist at Woods Hole Oceanographic Institution in Massachusetts. "But these are challenging areas to do research, so there is a pressing need to prioritize the allocation of resources in order to assure reliable, safe support for critical observations and research campaigns."

The report recommends the following as key needs for supporting and implementing the priority research goals and other areas of Antarctic and Southern Ocean science: Expanded access to remote field sites, including a deep field camp and logistics hub, over-snow traverse capabilities, and improved all-weather access to research stations and field locations by air; Design and acquisition of a new heavy icebreaker ship and an ice-capable polar research vessel; Support for sustained observations through strategic augmentation and coordination of existing observational networks; Improved communications and information technology for data transmission; and Efforts to facilitate more open and coordinated data collection, sharing, and integration.

The report notes that the priority research initiatives all require some degree of collaboration among NSF divisions, with other U.S. agencies, and with other nations. In addition, NSF can play an important role in developing Antarctic-themed educational resources for K-12, undergraduate and graduate programs, and informal education institutions.

INFORMATION:

The study was sponsored by the National Science Foundation. The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide independent, objective analysis and advice to the nation to solve complex problems and inform public policy decisions related to science, technology, and medicine. The Academies operate under an 1863 congressional charter to the National Academy of Sciences, signed by President Lincoln. For more information, visit http://national-academies.org. A roster follows.

Contacts: Lauren Rugani, Media Relations Officer
Chelsea Dickson, Media Associate
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Pre-publication copies of A Strategic Vision for NSF Investments in Antarctic and Southern Ocean Research are available from the National Academies Press at http://www.nap.edu or by calling 202-334-3313 or 1-800-624-6242. Reporters may obtain a copy from the Office of News and Public Information (contacts listed above).

THE NATIONAL ACADEMIES OF SCIENCES, ENGINEERING, AND MEDICINE
Division on Earth and Life Studies
Polar Research Board

Committee on the Development of a Strategic Vision for the U.S. Antarctic Program

Robin E. Bell (co-chair)
Professor of Geology and Geophysics
Lamont-Doherty Earth Observatory
Columbia University
Palisades, N.Y.

Robert A. Weller (co-chair)
Senior Scientist
Woods Hole Oceanographic Institution
Woods Hole, Mass.

David H. Bromwich
Director and Senior Research Scientist
Polar Meteorology Group
Byrd Polar and Climate Research Center
Ohio State University
Columbus

John E. Carlstrom*
Subrahmanyan Chandrasekhar Distinguished Service Professor
Department of Astronomy and Astrophysics
University of Chicago
Chicago

Chi-Hing Christina Cheng
Professor
Department of Animal Biology
School of Integrative Biology
University of Illinois
Urbana-Champaign

Calvin Robert Clauer
Professor of Space Science
Department of Electrical and Computer Engineering
Virginia Polytechnic Institute and State University
Hampton

Craig E. Dorman
Independent Consultant, and
United States Navy (retired)
Fairbanks, Ark.

Robert B. Dunbar
William M. Keck Professor of Earth Sciences
Department of Environmental Earth Systems Science
Stanford University
Stanford, Calif.

David R. Marchant
Professor and Department Chair
Department of Earth and Environment
Boston University
Boston

Mark A. Parsons
Director
Research Data Alliance
Rensselaer Center for the Digital Society
Boulder, Colo.

Jean Pennycook
Educator
Penguin Science
Fresno, Calif.

A.R. Ravishankara*
Professor
Departments of Chemistry and Atmospheric Science
Colorado State University
Fort Collins

Theodore Scambos
Lead Scientist and Senior Research Scientist
National Snow and Ice Data Center
University of Colorado
Boulder

William H. Schlesinger*
Biogeochemist and President Emeritus
Cary Institute of Ecosystem Studies
Lubec, Maine

Oscar M.E. Schofield
Professor
Institute of Marine and Coastal Sciences
Rutgers University
New Brunswick, N.J.

Jeffrey P. Severinghaus*
Professor of Geosciences
Scripps Institution of Oceanography
La Jolla, Calif.

Cristina Takacs-Vesbach
Associate Professor
Department of Biology
University of New Mexico
Albuquerque

STAFF

Laurie S. Geller
Study Director

*Member, National Academy of Sciences


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