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Antarctic Science Highlights - Understanding Polar Ice Sheets and Future Sea Level Changes

This report highlights the recent accomplishments and ongoing research in Antarctic science, focusing on understanding polar ice sheets and predicting their future changes and impact on sea level. The report also covers various Antarctic research projects and collaborations with international and industry partners.

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Antarctic Science Highlights - Understanding Polar Ice Sheets and Future Sea Level Changes

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  1. Office of Polar ProgramsOffice Advisory Committee – May 2005 –Antarctic Science Highlights Dr. Scott Borg Head, Antarctic Sciences Section Office of Polar Programs National Science Foundation

  2. CReSIS: Center for Remote Sensing of Ice Sheets • University of Kansas, Elizabeth City State University, Haskell Indian Nations University, University of Maine, The Ohio State University, Pennsylvania State University • International and industry partners; NASA • Understand the role of polar ice sheets and predict future changes and effect on sea level • Initial 5 year award, potential 5 year renewal • Greenland and Antarctica – IPY Contribution

  3. Microcosm of NSF Disciplinary Organization Numerous Connections (x-directorate, interagency) Aeronomy and Astrophysics Biology and Medicine Geology and Geophysics Glaciology Ocean and Climate Systems Ice Cube Antarctic Artists and Writers Antarctic Research Overview

  4. Some Recent Events • Completed ICEFISH 2004 Cruise • Completed AGASEA airborne survey with BAS • Airborne science workshop – many opportunities http://polarmet.mps.ohio-state.edu/lara/ • Deep ice coring drill development on track • Ice Cube successfully deployed first DOM string • NBP; stability problem this year, engine problem last year; both solved but delayed science • Polar instrumentation interest high – MRI, S&SN

  5. ICEFISH 2004 CruiseMay-July 2004, Punta Arenas to Capetown • First comprehensive international survey of the fishes of the Sub-Antarctic marine habitat – baseline for understanding these sensitive ecosystems • Scientists and students from 7 countries; planned IPY project completing circumpolar cruise from Capetown to Punta Arenas on Italian vessel • Comparative study: relate lower latitude fishes to the evolution, physiology, biochemistry and population dynamics of high-latitude Antarctic fishes of the suborder Notothenioidei

  6. WAIS Research • New AGASEA Data • BAS + UTIG (NSF)

  7. What’s Happening • GLOBEC – Synthesis competition underway • SHALDRIL • NBP stability issues forced split into 2 parts; • part 1 done, lessons learned for part 2 • ANDRILL • planning on track, formal agreements circulating • new investigators; strong Edu/Outreach; 06/07 and IPY; US, NZ, D, IT • CReSIS – New Science & Technology Center

  8. International Polar Year • Proposals Welcome – see Antarctic Research - NSF 05-567 • Also – focused announcement mid-late summer • Strong interest in other directorates within NSF • Interest in ice sheet focus area from NASA and BAS • Some contributions almost on the table – e.g. ANDRILL, GLOBEC Synthesis, US-ITASE, WAIS Divide Core, CReSIS • Expect proposals for US participation in areas led by other countries – e.g. CML, international traverses, others

  9. Antarctic Science Questions? Photo: S. G. Borg

  10. Antarctica and Global Environmental Change • Marine geological records of ice sheet evolution – implications for a warmer world • SHALDRIL – FY05 • ANDRILL - TBP

  11. Antarctic Ice Sheet Ice Sheet Dynamics • Future behavior West Antarctic Deep Ice Core • Paleoclimate Records (Temp, Precip, CO2 , etc.) Bindschadler Alley

  12. Polar Biota & Ecosystems in the Polar Night withGenomic approaches Kuparuk River, AK McMurdo Dry Valleys Toolik Lake, AK

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