depth (cm) d18O C 7.0 3.66 17.0 3.49 28.0 3.31 45.0 4.17 55.0 4.69 69.0 4.92 89.0 4.67 109.0 4.59 118.0 4.55 128.0 4.72 139.0 4.36 150.0 4.46 161.0 4.63 185.0 4.47 194.0 4.45 217.0 4.54 231.0 4.57 243.0 4.27 249.0 4.14 256.0 4.10 271.0 4.32 275.0 3.95 280.0 3.83 289.0 4.00 292.0 3.93 296.0 3.71 306.0 3.84 315.0 4.00 324.0 3.95 333.0 3.82 344.0 3.75 355.0 3.78 366.0 3.30 377.0 3.23 388.0 3.15 398.0 3.27 408.0 4.13 418.0 4.42 428.0 4.85 437.0 4.80 447.0 4.98 456.0 4.70 467.0 4.74 477.0 4.76 488.0 4.67 498.0 4.38 508.0 4.72 518.0 4.57 528.0 4.81 538.0 4.49 548.0 4.21 558.0 4.40 568.0 3.98 578.0 4.38 589.0 4.30 599.0 4.16 608.0 4.46 618.0 4.35 628.0 4.45 638.0 4.17 647.0 3.88 657.0 3.91 667.0 3.71 677.0 3.63 688.0 3.72 698.0 3.89 708.0 3.61 718.0 3.64 728.0 3.97 737.0 4.05 747.0 4.07 756.0 4.26 757.0 4.39 766.0 3.97 778.0 4.03 791.0 3.51 803.0 3.76 813.0 4.06 824.0 4.51 835.0 4.25 849.0 4.32 861.0 4.33 871.0 4.43 879.0 4.32 889.0 4.50 895.0 4.49 905.0 4.33 916.0 3.99 927.0 3.90 937.0 4.13 948.0 4.06 960.0 4.13 972.0 3.72 982.0 3.75 990.0 3.70 996.0 3.83 1003.0 3.65 1012.0 3.54 1026.0 3.43 1041.0 3.21 1052.0 3.28 1059.0 3.33 1075.0 3.70 1090.0 4.15 1105.0 4.58 1117.0 4.62 1119.0 4.67 1125.0 4.72 1137.0 4.41 1140.0 4.20 1146.0 4.57 1147.0 4.40 1158.0 4.40 1172.0 4.32 1182.0 4.05 1192.0 4.17 1203.0 4.04 1212.0 4.09 1222.0 4.02 1232.0 4.02 1252.0 3.97 1262.0 3.23 1272.0 3.15 1306.0 3.52 1328.0 4.83 1358.0 4.86 1364.0 5.05 1369.0 4.82 1381.0 5.07 1388.0 4.66 1395.0 4.54 1403.0 4.51 1414.0 4.61 1436.0 4.51 1444.0 4.26 1453.0 4.27 1464.0 4.06 1475.0 4.43 1487.0 3.82 1498.0 3.73 1518.0 3.62 1527.0 3.59 1537.0 3.80 1547.0 3.87 1557.0 4.01 1567.0 3.87 1577.0 4.36 1587.0 4.11 1597.0 4.13 1607.0 3.97 1617.0 4.01 1637.0 4.36 1647.0 4.17 1657.0 4.31 1667.0 4.51 1677.0 4.23 1687.0 4.31 1697.0 4.07 1707.0 4.09 1717.0 3.79 1737.0 3.42 1747.0 3.62 1757.0 3.87 1767.0 4.22 1777.0 4.03 1787.0 4.03 1797.0 3.88 1807.0 3.56 1817.0 4.12 1827.0 4.11 1837.0 3.85 1847.0 3.50 1857.0 3.08 1867.0 4.57 1887.0 5.10 1897.0 4.88 1903.0 4.83 1907.0 4.65 1915.0 4.83 1927.0 4.78 1938.0 4.66 1948.0 4.45 1957.0 4.52 1966.0 4.60 1975.0 4.45 1985.0 4.40 1995.0 4.33 2006.0 4.22 2017.0 4.31 2028.0 3.99 2038.0 3.88 2047.0 3.72 2055.0 3.66 2063.0 3.51 2070.0 3.84 2071.0 3.85 2078.0 3.68 2085.0 3.96 2092.0 4.15 2100.0 4.34 2116.0 4.33 2123.0 4.37 2124.0 4.38 2133.0 4.37 2141.0 4.24 2142.0 4.06 2150.0 4.26 2159.0 4.22 2167.0 4.17 2175.0 4.10 2184.0 4.22 2193.0 4.34 2203.0 4.18 2213.0 4.03 2224.0 3.82 2235.0 3.64 2246.0 3.55 2257.0 3.51 2267.0 3.56 2276.0 3.97 2285.0 3.99 2294.0 4.62 2303.0 4.36 2312.0 4.31 2322.0 4.06 2334.0 4.07 2347.0 3.87 2361.0 3.77 2375.0 3.78 2388.0 3.81 2399.0 3.50 2410.0 3.52 2420.0 3.76 2430.0 3.49 2440.0 3.53 2450.0 3.81 2461.0 3.77 2472.0 3.55 2484.0 4.57 2495.0 4.61 2506.0 4.58 2514.0 4.39 2517.0 4.39 2527.0 4.30 2537.0 4.56 2542.0 4.33 2546.0 4.48 2552.0 4.15 2562.0 4.25 2571.0 4.19 2583.0 4.06 2592.0 4.13 2602.0 4.17 2612.0 4.31 2622.0 4.28 2632.0 4.27 2652.0 4.02 2662.0 3.78 2674.0 3.77 2676.0 4.14 2681.0 3.50 2686.0 3.50 2696.0 3.54 2706.0 3.40 2726.0 3.96 2736.0 4.27 2746.0 4.34 2756.0 4.17 2766.0 3.87 2776.0 3.71 2786.0 3.76 2796.0 4.06 2806.0 4.15 2815.0 3.87 2826.0 3.90 2837.0 3.96 2847.0 4.09 2856.0 4.28 2866.0 4.04 2875.0 3.89 2885.0 3.69 2896.0 3.67 2906.0 3.88 2916.0 3.92 2925.0 4.31 2936.0 4.43 2953.0 4.18 2956.0 4.19 2968.0 4.07 2979.0 3.97 2989.0 3.65 2999.0 3.50 3010.0 3.17 3021.0 3.30 3031.0 3.62 3040.0 3.71 3047.0 3.75 3055.0 3.99 3065.0 3.82 3077.0 4.23 3090.0 3.97 3103.0 3.92 3124.0 4.00 3134.0 4.04 3145.0 4.28 3156.0 4.25 3167.0 4.19 3177.0 4.20 3188.0 4.17 3199.0 3.96 3212.0 3.85 3224.0 3.73 3234.0 3.78 3241.0 3.68 3247.0 3.54 3252.0 3.55 3258.0 3.62 3262.0 3.86 3269.0 3.95 3278.0 3.82 3290.0 3.94 3307.0 4.16 3328.0 4.37 3344.0 4.49 3353.0 4.38 3361.0 4.18 3367.0 4.19 3373.0 4.03 3380.0 4.05 3388.0 3.92 3399.0 3.45 3415.0 3.60 3437.0 3.32 3463.0 3.36 3478.0 3.43 3485.0 3.67 3489.0 4.01 3493.0 4.26 3497.0 4.29 3501.0 4.26 3506.0 4.05 3513.0 3.98 3527.0 4.25 3545.0 4.05 3560.0 3.76 3571.0 3.69 3578.0 3.71 3586.0 3.68 3593.0 3.75 3601.0 3.72 3611.0 3.64 3622.0 3.67 3635.0 3.88 3651.0 4.21 3652.0 4.22 3674.0 4.06 3685.0 3.91 3696.0 3.96 3708.0 3.97 3720.0 3.82 3729.0 3.71 3738.0 3.75 3747.0 3.80 3754.0 4.01 3761.0 4.18 3767.0 4.19 3773.0 4.18 3780.0 4.07 3789.0 3.99