Five Years to History An update on the WAIS Divide Core Richard B. Alley Penn State I shouldn’t be doing this; Kendrick should… Apologies if I don’t know.

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Presentation transcript:

Five Years to History An update on the WAIS Divide Core Richard B. Alley Penn State I shouldn’t be doing this; Kendrick should… Apologies if I don’t know the answers.

WAIS Divide Core: Long-anticipated (Ice Core Working Group agreed in 1987 that a high-resolution southern core to match GISP2 should be the highest priority); First science plan when I was chair of ICWG (1992), revised and updated by ICWG/Kendrick Taylor;

WAIS Divide Core: Now really happening! NSF heavily committed,making very difficult things happen very quickly across the board, esp.: --> Julie Palais, money, planning, coordinating; --> Brian Stone, Antarctic Logistics, cutting Gordian knots, getting resources that lots of people want; ICDS well-advanced in building drill (beautiful drill from Bill Mason et al.; focus now on control systems; Charlie Bentley will discuss); NICL getting ready to help collect, archive (Todd Hinkley, Geoff Hargreaves, and co.).

WAIS Divide Core: Science Coordination Office funded; Mark Twickler manager, doing his usual first-rate job of hard work and nitty-gritty details; Site selection clearly completed, site selected (great work by the site-selection team, many papers, key insights); SCO funded, and two science projects so far (electrical and borehole); plus Multi-investigator firn-gas project (Sowers, etc.); Many proposals submitted this past June 1; room for plenty more (hint, hint).

Schedule: Drill ready by January 15; Camp construction season; Drill test summer 2006 at Summit, Greenland, to 600 m (into brittle ice); Then drill to Antarctica for 2006/07--install drill, handling equipment, start coring (at least 10 m), maximize efficiency for serious drilling seasons; , 08-09, 09-10, drill two miles of ice. Lots of options for student field experience as assistant drillers and core handlers--don’t have to be ice-core people, just interested.

Management: Steering Committee in place; Chair Kendrick Taylor, DRI; Loyal followers Ed Brook (Oregon State), Jeff Severinghaus (Scripps), Jim White (Colorado), me (Penn State). To be recast when PIs for projects funded.

Payoff: High accumulation rate, small gas-age/ice-age difference, accurate correlation dating to north; Annual layers possible to 40,000 years or so; Highest-resolution CO 2 record ever is possible; Finally may learn leads and lags in climate system; Fame, fortune, truth, beauty, justice (but no Porsches, sorry).