Tenth Annual WAIS Workshop
AGENDA
| Wednesday, September 17, 2003 | ||
| 2:00 to 6:00 | Registration | Floyd |
| 7:00 | Pizza, beer and snacks (cottage #1) | Bindschadler |
| Thursday September 20, 2003 | ||
| 8:00 | CONTINENTAL BREAKFAST | |
| 8:00 | Registration | Floyd |
| 8:30 | Welcome and Agenda Review | Bindschadler |
| 8:45 | NSF Remarks | Palais/Borg |
| Question #3."In Days of Old..." - What happened, where and when between the LGM and present? Overviews of time and space slices in the ice, ocean and atmosphere (beyond the ITASE horizon of 200-500 years) are invited. The aim is to reach a consensus view and to identify where major knowledge gaps exist. | ||
| 9:15 | Pliocene-Pleistocene Glacial History of Marie Byrd Land, West Antarctica From Cosmogenic Nuclide Measurements on Bedrock [Abstract] [Powerpoint] | Cowdery |
9:30 |
West Antarctic Ice Sheet paleo-elevations at Mt Waesche prior to the Last Glacial Maximum [Abstract] [Powerpoint] | Ackert |
| 9:45 | Evidence for evacuation of the West Antarctic Ice Sheet before the LGM in the eastern Ross Sea [Abstract] [Powerpoint] | Mosola |
10:00 |
Ice Sheet Extent, Paleo-Ice Streams and Glacial Retreat History of Antarctic Peninsula during the Last Glacial Maximum (LGM) [Abstract] [Powerpoint] | Heroy |
| 10:15 | BREAK (30 min.) | |
10:45 |
Provenance of Ross Sea till and implications for LGM ice flow paths [Abstract] [Powerpoint] | Licht |
11:00 |
Holocene Deglaciation of Terra Nova Bay [Abstract] | Hall |
11:15 |
Deglaciation of the Weddell Sea sector of the West Antarctic Ice Sheet [Abstract] [Powerpoint] | Todd |
| 11:30 | Poster Introductions (1-2 min. each) | |
12:00 |
Poster Viewing (30 min.) | |
| 12:30 | LUNCH (1 hr. 15 min.) | |
| Question #1."The message within" - The investment in the Siple Dome ice core analysis has returned compounded dividends. Just how old is the bottom ice and what signatures of paleodynamics are implied by analysis of the core? | ||
| 1:45 | Volcanic ash record in the Siple Dome Ice Core [Abstract] [Powerpoint] | Dunbar |
| 2:00 | The Ice Isotope Record from Siple Dome, Antarctica [Abstract] [Powerpoint] | Schilla |
| 2:15 | Bipolar Synchroneity and Latitudinal Timing of Holocene Climate Change [Abstract] [Powerpoint] | Meyerson |
| 2:30 | Holocene Climate in West Antarctica from the Siple Dome Ice Core Melt-Layer Record [Abstract] | Das |
| 2:45 | BREAK (30 min.) | |
3:15 |
Age of the Ice at the Base of Siple Dome [Powerpoint] | Suwa |
| Return to Question #3."In Days of Old..." | ||
3:30 |
Climate and thickness history near the divide between the Ross and Amundsen Seas [Abstract] [Powerpoint] | Conway |
3:45 |
Bedrock and Internal Ice Stratigraphy Along the 2002 US-ITASE Traverse: Byrd Camp to South Pole[Abstract or .pdf] [Powerpoint] | Welch |
| 4:00 | Discussion of Questions #1 & #3 (45 min.) | PLENARY |
4:45 |
International Polar Year (Vision and International Planning)[Abstract] [Powerpoint] | Bindschadler |
5:00 |
International Polar Year (US Planning) [Abstract] [Powerpoint] | Albert |
5:15 |
Other Reports | |
| 5:30 | Poster Viewing | |
| 6:00 | DINNER | |
| Friday, September 19, 2003 | ||
| 8:00 | CONTINENTAL BREAKFAST | |
| Question #2. "Over the horizon" - How has the climate and atmospheric chemistry changed over WAIS during the past 200-500 years and how did the ice sheet respond? | ||
8:30 |
Characteristics of isotopic records in ITASE cores [Abstract] [Powerpoint] | Schneider |
8:45 |
What can we learn from sub-annually resolved West Antarctic ice core sulfate? [Abstract] [Powerpoint] | Dixon |
9:00 |
Reconstruction of Antarctic climate through the Holocene and beyond: methodology, and implications for deep ice core site selection [Abstract] [Powerpoint] | Steig |
9:15 |
Nonlinear Paleoclimatology: Reconstructions in West Antarctica [Abstract] [Powerpoint] | Reusch |
| 9:30 | Decadal Variability in the ENSO Impact on West Antarctica [Abstract] | Bromwich |
| 9:45 | Observed variability in Antarctic accumulation rates and implications for mass balance calculations [Abstract] [Powerpoint] | Hamilton |
| 10:00 | BREAK (30 min.) | |
10:30 |
Climate Variability in West Antarctica Derived from Annual Accumulation Rate Records from ITASE Firn/Ice Cores [Abstract] | Kaspari |
| 10:45 | Processes of Memory Loss in Antarctic Firn [Abstract] | Albert |
11:00 |
Low Accumulation + Cold = Extreme Firn Metamorphism [Abstract] | Courville |
| 11:15 | Erosion of Amundsen Sea ice shelves [Abstract] [Powerpoint] | Shepherd |
| 11:30 | Results of the 2002 CECS/NASA airborne survey of the Amundsen Sea Glaciers in West Antarctica [Abstract] [Powerpoint] | Rignot |
11:45 |
Discussion of Question #2 (30 min.) | |
| 12:15 | Poster Viewing | |
| 12:30 | LUNCH (1 hr. 15 min.) | |
| Question #5. "Wild Child" - Ice stream dynamics continue to amaze glaciologists. What's new in this area? | ||
1:45 |
Subglacial landforms and physical properties beneath the onset region of Rutford Ice Stream, West Antarctica [Abstract] [Powerpoint] | King |
| 2:00 | Basal accretion ice as a recorder of changes in water availability beneath the West Antarctic Ice Sheet [Abstract] [Powerpoint and movie] | Christoffersen |
| 2:15 | Flat ice terrain near the mouth of Kamb Ice Stream [Abstract] [Powerpoint] | Catania |
| 2:30 | Damage rheology applied to ice stream margin dynamics [Abstract] [PDF] | Luthi |
2:45 |
Dilatant till beneath ice stream D [Abstract] [PDF] | Anandakrishnan |
3:00 |
BREAK (30 min.) | |
| 3:30 | Basal Shear Stress of the Ross Ice Streams from Control Method Inversions [Abstract] [Powerpoint] | Joughin |
| 3:45 | Time dependent ice flow in West Antarctica [Abstract] [Powerpoint] | Harrison |
| 4:00 | An explanation for the stick-slip motion of Whillans Ice Stream [Abstract] [Powerpoint] | Bindschadler |
| 4:15 | Discussion of Question #5 (30 min.) | PLENARY |
| 4:45 | Ten Years of WAIS Accomplishments | Bindschadler |
5:30 |
Poster Viewing | |
| 6:00 | DINNER | |
| Saturday, September 20, 2003 | ||
| 8:00 | CONTINENTAL BREAKFAST | |
| Question #4. "What would it take?" - A modeler's playground, but others can play, too. Scenarios that would cause significant change in West Antarctica. | ||
| 8:30 | "What would it take?" requires "How would we know?" - Meditations on identifying past WAIS collapse [Abstract] [Powerpoint] | Scherer |
| 8:45 | Ten years of development on UMISM: application to advance and retreat of the Siple Coast Region [Abstract] [Powerpoint + movie] | Fastook |
| 9:00 | Tooth fairies visit the loose tooth: Results from fieldwork on the Amery Ice Shelf, East Antarctica [Abstract] [Powerpoint] | Bassis |
| 9:15 | The Impact of Dynamic Till Erosion on Ice Stream Dynamics [Abstract] [PDF] | Johnson |
9:30 |
Meltwater feedbacks and acceleration of sea-level rise; likely in Greenland, possible in WAIS? [Abstract] [PDF] | Parizek |
9:45 |
BREAK (30 min.) | |
| 10:15 | Ice streams and outburst flooding [Abstract] [Powerpoint] | Alley |
10:30 |
Conditions for reversal of ice-stream surface slope [Abstract] [PDF] | Dupont |
10:45 |
Sensitivity of Ocean Circulation to the Disintegration of West Antarctic Ice Shelves and Ice Sheet [Abstract] [Powerpoint] | Tulaczyk |
11:00 |
Discussion of Question #4 (30 min.) | |
11:30 |
WAIS Program: Activities, Actions and Needs | |
| 12:00 | Adjorn | |
| Posters | ||
| Geological Controls on Ice Stream Dynamics and the History of West Antarctic Ice Streams: Results from Ten Years of WAIS Marine Geological Research | Anderson | |
| The Antarctic Master Directory -- a resource for Antarctic Scientists | Bauer | |
| Aeromagnetic Anomalies over Ice Stream D-Siple Ice Stream area Indicate very Shallow Volcanic Sources Downstream of the Grounding Line | Behrendt | |
| Antarctic Glaciological Data at NSIDC: field data, temperature, and ice velocity | Bohlander | |
| Hydraulic geometry of the Rutford Ice Stream reservoir | Corr | |
| Polar Radar for Ice Sheet Measurements -- PRISM | Gogineni | |
| The zooplankton distribution under the iceberg in 2001 | Han | |
| Marine ice modification of fringing ice shelf flow | Hulbe | |
| Hercules Dome-An Overview from the US-ITASE Deep Radar [pdf] | Jacobel | |
| Drumlin-like bedforms and dilatant till beneath the onset region of Rutford Ice Stream, West Antarctica | King | |
| Snow Microstructure and Permeability in the Near-Surface Firn Core Near a Potential Deep Drilling site in West Antarctica | Leeman | |
| A comparison of particle size distributions in Ross Embayment tills | Licht | |
| A 3-D Thermomechanical Ice Sheet Model: Preliminary tests with the Goldsby-Kohlstedt Flow Law | Lingle | |
| Vertical gradient of radar echo strength from within ice: spatial variation and polarization dependence | Matsuoka | |
| Siple Dome Chemistry and Radar Internal Reflections - A Possible Association | Meyerson | |
| The reconstruction of sea-level changes and melting history of the Antarctic ice during the Late Quaternary | Miura | |
| An Airborne Geophysical Survey of the Amundsen Sea Embayment, Antarctica | Morse | |
| Tidal Control of Ice Shelf Basal Melt Rates | Padman | |
| Imaging Subglacial Sediments in the Onset Regions of the Ross Ice Streams: Inferences on how Subglacial Geology Affects Ice Stream Initiation and Flow | Peters | |
| A new thermo-mechanical flowline model using the method of control volumes [pdf link] | Price | |
| Glaciomarine sedimentation on the continental slope offshore Larsen-A, Antarctic Peninsula | Pudsey | |
| Progressive thinning of the Larsen Ice Shelf [Abstract] [PDF-paper in press, please see author] | Shepherd | |
| West Antarctic Elevation Profiles from ICESat [Abstract] [PDF] | Shuman | |
| Can we extract information from Antarctic marine diamictons that is useful in interpreting past ice-stream and ice-sheet activity in the Ross Sea? | Sjunneskog | |
| Aerogeophysical survey over the drainage basin of Rutford Ice Stream, West Antarctica | Smith, A. | |
| Surface features related to ice stream margins revealed by ICESAT/GLAS | Smith, B. | |
| On modelling grounding line migration | Vieli | |
| Making Sense of the Whillans Ice Plain Data | Vornberger | |
| Antarctic crustal structure and sedimentary basin characteristics from receiver function analysis | Winberry | |
| Temporal Co-Variation of Surface and Microwave Brightness Temperatures in Antarctica, with Implications for the Observation of Surface Temperature Variability Using Satellite Data | Winebrenner |