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Antarctic Glaciology Antarctic Sciences Section Julie Palais Program Manager NSF/Office of Polar Programs
Antarctic Glaciology Program • Paleoclimate from ice cores (WAISCORES, ITASE) • Ice dynamics and modeling (WAIS) • Snow/Atmosphere/Ice interactions (ITASE) • Glacial Geology ( Dry Valleys, Antarctic Peninsula) • Other (Remote Sensing, Iceberg Studies)
Paleoclimate from Ice Cores • • Taylor Dome Ice Core Vostok Ice Core Siple Dome Ice Core Upcoming WAIS Divide Project Byrd Ice Core Misc. other cores (e. g. South Pole) Shallow cores from ITASE traverses
Facilities/Support Services • National Ice Core Laboratory (NICL)* • NICL-Science Management Office (NICL-SMO) • Antarctic Glaciological Data Center (AGDC) • Ice Core Drilling Service (ICDS) • * NSF-USGS Cooperative Agreement Located at the Denver Federal Center U. S. Antarctic Program, New Investigators workshop 9/15/202021 - 22 August 2006
Ice Core Drilling Services (ICDS) University of Wisconsin-Madison (formerly PICO) • Design, fabrication and operation of ice drilling equipment in both polar regions and high altitude ice caps. • Includes electro-mechanical ice core drills, hot water drills for deep access holes, shot holes for seismic sounding and sub-ice sampling. • Notify relevant NSF program manager when you are requesting ice coring support.
West Antarctic Ice Sheet Divide Ice Core Project Climate, Ice Sheet History , Cryobiology • Institutions involved • Chief Scientist: Kendrick Taylor, Desert Research Institute • 20 awards • 11 institutions • $3. 7 M in commitments • 11 pending requests for over $3. 3 M – – – – – DRI/U. Nevada, U. Colo. U. C. Irvine U. C. Berkeley Penn. State U. Washington South Dakota State Scripps/UCSD Univ. of New Hampshire – Bowdoin (Maine) – Oregon State U.
West Antarctic Ice Sheet Program (WAIS) WAIS (http: //igloo. gsfc. nasa. gov/wais/)
West Antarctic Ice Sheet Program (WAIS) Ice Dynamics Studies of the Siple Coast Ice Streams • How will the unstable West Antarctic ice sheet affect future sea level? • How do rapid global climate changes occur? • Future sea-level rise? Annual WAIS Workshop Sept. 27 -30, 2006 Pack Forest Conference Center, Washington (near Mt. Rainier)
U. S. - International Trans. Antarctic Scientific Expedition (U. S. -ITASE)
U. S. - International Trans. Antarctic Scientific Expedition (U. S. -ITASE) • To determine the spatial variability of Antarctic climate over the last 200+ years. • To determine the environmental variability in Antarctica over the last 200+ years. • Meteorology • Remote Sensing • Geophysics • Surface Glaciology • Ice Cores
Icebergs and Ice Shelves Current Research • Monitoring an Active Rift System at the Front of the Amery Ice Shelf, East Antarctica (Fricker) • Collaborative Research of Earth’s Largest Icebergs ((Mac. Ayeal, Okal, Stearns) • Melting and Calving of Antarctic Ice Shelves (Jacobs)
Antarctic Glaciology Program Examples of Currently Funded Projects • • Collaborative Research: Constructing an Ultra-high Resolution Atmospheric Methane Record for the Last 140, 000 Years from WAIS Divide Core. (Sowers et al. , Penn. State Univ. and other institutions) Collaborative Research: Fluctuations of the West Antarctic Ice Sheet in Relation to Lake History in Taylor Valley, Antarctica, Since the Last Glacial Maximum (Prentice et al. , Plymouth State Univ. and other institutions) Collaborative Research: Grounding Line Forensics: The History of Grounding Line Retreat in the Kamb Ice Stream Outlet Region (Catania, Univ. of Texas-Austin and Hulbe, Portland State Univ. ) US ITASE Glaciochemistry Phase 2: East Antarctica (Mayewski, University of Maine) http: //www. nsf. gov/awardsearch/tab. do? dispatch=2 U. S. Antarctic Program, New Investigators workshop 9/15/202021 - 22 August 2006
Center for Remote Sensing of Ice Sheets (CRe. SIS) OPP-0122520 "A Mobile Sensor Web for Polar Ice Sheet Measurements. " OPP-0424589 “Center for Remote Sensing of Ice Sheets (Science and Technology Center)” http: //www. cresis. ku. edu/index. html U. S. Antarctic Program, New Investigators workshop 9/15/202021 - 22 August 2006