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Investigation of the Stratigraphy and Time Scale of the WAIS Divide Ice Core Using Electrical Methods
Entry ID: taylor_0440819

Abstract: This award supports a project that is part of the West Antarctic Ice Sheet Divide (WAIS Divide) program; which is a multi-disciplinary multi-institutional program to investigate the causes of natural changes in climate, the influence of the West Antarctic ice sheet on sea level, and the biology of deep ice. The WAIS Divide core will be unique among Antarctic ice cores in that it will have discernable annual layers for the last 40,000 years.

Purpose: A critical element of the program is to determine the age of the ice so that the climate proxies measured on the core can be interpreted in terms of age, not just depth. This project will make electrical measurements that can identify the annual layers. This information will be combined with information from other investigators to develop an annually resolved timescale over the last 40,000 years. This timescale will be the foundation on which the recent climate records are interpreted. Electrical measurements will also be used to produce two-dimensional images of the ice core stratigraphy; allowing sections of the core with abnormal stratigraphy to be identified.
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Description: The U.S research community is conducting a deep ice coring project in West Antarctica for studies of climate, ice sheet history and cryobiology. This project is collecting a deep ice core from the West Antarctic Ice Sheet (WAIS) ice flow divide and integrating approximately 40 separate but synergistic projects to analyze the ice and interpret the records.
Geographic Coverage
Spatial coordinates   
  N: -79.47   S: -79.47   E: 112.1   W: 112.1

CORING DEVICES Ancillary Description
Data Set Progress
Data Center
NSIDC Antarctic Glaciological Data Center Supplemental Info
Data Center URL:

Data Center Personnel
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at
Contact Address:
National Snow and Ice Data Center
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Email: kendrick at
Contact Address:
Desert Research Institute
2215 Raggio Parkway
City: Reno
Province or State: NV
Postal Code: 89512
Banta, J.R., J.R. McConnell, M.M. Frey, R.C. Bales, and K. Taylor. "Spatial and temporal variability in snow accumulation at the West Antarctic Ice Sheet Divide over recent centuries," JGR, v.113, 2008.

McGwire, K.C., J.R. McConnell, R.B. Alley, J.R. Banta, G.M. Hargreaves, and K.C. Taylor. "Dating Annual Layers of a Shallow Antarctic Ice Core with an Optical Scanner," Jounral of Glaciology, v.5, 2008, p. 831.

Severinghaus, JP; Beaudette, R; Headly, MA; Taylor, K; Brook, EJ. "Oxygen-18 of O-2 Records the Impact of Abrupt Climate Change on the Terrestrial Biosphere," SCIENCE, v.324, 2009, p. 1431-1434.
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2012-06-19
Last DIF Revision Date: 2017-08-23