---- FILE DESCRIPTION ----

This data file contains an ensemble of 1000 alternative Delta-age solutions for the WAIS Divide ice core, calculated using a firn densification model constrained by d15N-N2 data. Details on the procedure can be found in the reference given below.

For questions or additional materials please contact:

Christo Buizert: buizertc@science.oregonstate.edu



---- REFERENCE ----

C. Buizert, K. M. Cuffey, J. P. Severinghaus, D. Baggenstos, T. J. Fudge, E. J. Steig, B. R. Markle, M. Winstrup, R. H. Rhodes, E. J. Brook, T. A. Sowers, G. D. Clow, H. Cheng, R. L. Edwards, M. Sigl, J. R. McConnell, and K. C. Taylor: The WAIS Divide deep ice core WD2014 chronology - Part 1: Methane synchronization (68-31 ka BP) and the gas age-ice age difference, Climate of the Past (2015)

Please cite the original reference when using these data


---- DATA FORMAT ----

The data set below has 1004 columns:
Column 1: Depth (m)
Column 2: Ice age on WD2014 chronology (years before 1950) 
Column 3: Gas age on WD2014 chronology (years before 1590) 
Column 4: Optimal Delta-age solution of WD2014 chronology (years) 
Columns 5 to 1004: alternative Delta-age solution from sensitivity study (years)