Authors: Morse, David L.; Blankenship, Donald D.; Waddington, Edwin D.; Neumann, Thomas A.

Source: Annals of Glaciology, Volume 35, Number 1, 1 January 2002 , pp. 36-44(9)

Publisher: International Glaciological Society

Abstract:

The U.S. Science Plan for Deep Ice Coring in West Antarctica calls for two ice cores to be collected. The first of these cores, from Siple Dome, was completed during the 1997/98 field season.The second core is to be collected from a site near the divide that separates ice flowing to the Ross Sea and to the Amundsen Sea. Using high-resolution, grid-based aerogeophysical surveys of the Ross/Amundsen ice-divide region, we identify seven candidate sites and assess their suitability for deep coring.Weapply ice-flow and temperature calculations to predict time-scales and annual-layer resolution, and to assess the potential for basal melting for several selected sites.Weconclude that basal melting is likely for sites with very thick ice, as was observed at the Byrd core site. Nevertheless, these sites are most attractive for coring since they promise recovery of a long climate record with comparatively high time resolution during the last glacial period.

Document Type: Research article

DOI: http://dx.doi.org/10.3189/172756402781816636

Publication date: 2002-01-01

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• The Annals of Glaciology is a peer-reviewed, thematic journal published 2 to 4 times a year by the International Glaciological Society (IGS). Publication frequency is determined and volume/issue numbers assigned by the IGS Council on a year-to-year basis and with a lead time of 3 to 4 years. The Annals of Glaciology is included in the ISI Science Citation Index from volume 50, number 50 onwards.

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