Stable Isotope Data from Basal Ice, GRIP Core REFERENCES: Souchez, R. 1997. The buildup of the ice sheet in central Greenland. Journal of Geophysical Research 102:26317-26323. Fuchs, A., and M.C. Leuenberger. 1996. d18O of atmospheric oxygen measured on the GRIP ice core document stratagraphic disturbances in the lowest 10% of the core. Geophysical Research Letters 9:1049-1052. Souchez, R., J.L. Tison, R.D. Lorrain, M. Lemmens, and L. Janssens. 1994. Stable isotopes in the basal silty ice preserved in the Greenland Ice Sheet at Summit; environmental implications. Geophysical Research Letters 21:693 696. DATA DESCRIPTION: This file contains deuterium and oxygen isotope data from the GRIP basal ice. These data are continuous averages for the average (midpoint) depths given. Missing data are denoted by 999999. DATA: Depth (m) del D del18O Midpoint (per mil) (per mil) 3022.267 -285.1 -36.5 3022.3015 -280.2 -36.04 3022.336 -279.1 -35.84 3022.3705 -282.4 -36.13 3022.405 -285.8 -36.58 3022.4395 -281.6 -36.87 3022.474 -287.6 -36.99 3022.5085 -282.8 -36.14 3022.543 -267.9 -34.32 3022.5775 -261.1 -33.68 3022.612 -262.3 -33.97 3022.6465 -267 -34.25 3022.681 -265.4 -34.06 3022.7155 -265.4 -34.21 3022.75 -267.8 -34.31 3022.786 -262.9 -33.68 3022.817 999999 999999 3022.8515 -250.6 -32.28 3022.886 -245.3 -31.59 3022.9205 -244.7 -31.65 3022.955 -244.9 -31.62 3022.9895 -249.9 -32.11 3023.024 -259.5 -33.33 3023.0585 -260.3 -33.45 3023.093 -254.6 -32.77 3023.1275 -252.5 -32.52 3023.162 -254.1 -32.73 3023.1965 -258.1 -33.13 3023.231 -260.2 -33.47 3023.2655 -259.6 -33.96 3023.3 -269.4 -34.85 3023.337 -278.3 -35.74 3023.367 999999 999999 3023.4015 -258.4 -33.48 3023.436 -264.3 -33.95 3023.4705 -268.3 -34.47 3023.505 -268.6 -34.59 3023.5395 -274.6 -35.15 3023.574 -280.6 -35.84 3023.6085 -282.9 -36.21 3023.643 -281.6 -36.1 3023.6775 -261.7 -33.74 3023.712 -260.5 -33.76 3023.7465 -255.7 -32.85 3023.781 -247.3 -31.94 3023.8155 -240 -31.74 3023.85 -244.6 -32 3023.882 -248.1 -31.97 3023.917 -246.9 -31.75 3023.9515 -242.4 -31.27 3023.986 -242 -31.26 3024.0205 -243.1 -31.63 3024.055 -248.5 -32.08 3024.0895 -241.7 -31.72 3024.124 -241.2 -31.09 3024.1585 -232.8 -30.24 3024.193 -226.9 -29.14 3024.2275 -216.3 -27.91 3024.262 -203.1 -26.58 3024.2965 -200.9 -26.28 3024.331 -200.4 -26.23 3024.3655 -201.3 -26.18 3024.4 -201.8 -26.18 3024.4345 -204.1 -26.37 3024.467 -219.8 -28.52 3024.5015 -240.2 -30.94 3024.536 -247.3 -31.97 3024.5705 -247.7 -31.96 3024.605 -247.3 -31.96 3024.6395 -248 -31.92 3024.674 -249 -32 3024.7085 -248.3 -31.88 3024.743 -247.8 -31.87 3024.7775 -246.2 -31.75 3024.812 -243.9 -31.44 3024.8465 -243 -31.34 3024.881 -241.5 -31.15 3024.9155 -226.9 -29.28 3024.95 -212.8 -27.61 3024.9935 -213.2 -27.65 3025.017 -215.4 -27.96 3025.0515 -217.2 -28.25 3025.086 -223.9 -29.05 3025.1205 -232 -29.94 3025.155 -232.4 -29.94 3025.1895 -228 -29.5 3025.224 -219.9 -28.47 3025.2585 -214.9 -27.78 3025.293 -209.4 -27.12 3025.3275 -203.8 -26.58 3025.362 -201.2 -26.43 3025.3965 -203 -26.43 3025.431 -202.7 -26.3 3025.4655 -202.3 -26.29 3025.5 -203.9 -26.46 3025.531 -203.8 -26.68 3025.567 -206.1 -27 3025.6015 -210.3 -27.17 3025.636 -214.6 -27.81 3025.6705 -222.1 -28.77 3025.705 -226 -29.16 3025.7395 -223 -29.21 3025.774 -224.8 -29.07 3025.8085 -219.8 -28.51 3025.843 -220.4 -28.59 3025.8775 -228.6 -29.57 3025.912 -235.5 -30.42 3025.9465 -237.2 -30.6 3025.981 -235.1 -30.33 3026.0155 -228.6 -29.58 3026.05 -220.4 -28.66 3026.087 -218.5 -28.34 3026.117 -220.9 -28.56 3026.1515 -223.5 -28.9 3026.186 -224.1 -28.99 3026.2205 -223.4 -28.58 3026.255 -223.1 -28.8 3026.2895 -219.8 -28.32 3026.324 -214.4 -27.72 3026.3585 -211.4 -27.29 3026.393 -209.9 -27.22 3026.4275 -208.4 -27.05 3026.462 -207.4 -26.87 3026.4965 -206.8 -26.81 3026.531 -207.9 -27.04 3026.5655 -211.9 -27.5 3026.6 -214.7 -27.85 3026.634 -216 -27.96 3026.667 -218 -28.25 3026.7015 -220.8 -28.45 3026.736 -221.2 -28.64 3026.7705 -217.3 -28.15 3026.805 -216.7 -28.06 3026.8395 -216.6 -27.99 3026.874 -213 -27.63 3026.9085 -207.7 -27.1 3026.943 -207.8 -27 3026.9775 -211.5 -27.44 3027.012 -214.8 -27.83 3027.0465 -215.6 -27.93 3027.081 -210.7 -27.38 3027.1155 -205.8 -26.76 3027.15 -204.7 -26.62 3027.1835 -206.4 -26.79 3027.217 -209.9 -27.09 3027.2515 -211.3 -27.32 3027.286 -208.6 -26.92 3027.3205 -207.3 -26.9 3027.355 -207.7 -26.98 3027.3895 -208 -27.03 3027.424 -209.5 -27.08 3027.4585 -209.9 -27.18 3027.493 -207.5 -26.88 3027.5275 -206 -26.64 3027.562 -206.8 -26.84 3027.5965 -208.1 -26.88 3027.631 -207.3 -27 3027.6655 -207.4 -26.8 3027.7 -204.6 -26.57 3027.737 -200.7 -26.1 3027.767 -198.1 -25.83 3027.8015 -196.4 -25.55 3027.836 -195.7 -25.5 3027.8705 -197.3 -25.62 3027.905 -197.8 -25.81 3027.9395 -198.5 -25.81 3027.974 -196.4 -25.64 3028.0085 -198 -25.73 3028.043 -201.2 -26.2 3028.0775 -201.1 -26.1 3028.112 -197.5 -25.72 3028.1465 -195.1 -25.4 3028.181 -193.7 -25.1 3028.2155 -192.5 -25.04 3028.25 -193.8 -25.2 3028.286 -195.4 -25.46 3028.317 -194.5 -25.28 3028.3515 -194.1 -25.22 3028.386 -193.8 -25.2 3028.4205 -194.7 -25.34 3028.455 -197 -25.57 3028.4895 -199.6 -25.92 3028.524 -202.1 -26.26 3028.5585 -200.9 -26.15 3028.593 -200 -26.04 3028.6325 -198.9 -25.73