depth (cm) d18O E F 40.0 3.93 50.0 4.27 60.0 4.58 68.0 4.22 80.0 4.80 90.0 4.99 98.0 5.07 110.0 5.15 120.0 5.13 130.0 4.94 140.0 5.19 150.0 4.94 160.0 4.94 170.0 4.77 180.0 4.78 190.0 4.77 200.0 4.81 210.0 4.69 220.0 4.64 230.0 4.56 240.0 4.66 247.0 4.71 258.0 4.60 270.0 4.59 280.0 4.58 290.0 4.45 300.0 4.58 310.0 4.62 320.0 4.54 330.0 4.55 340.0 4.67 350.0 4.71 360.0 4.72 370.0 4.74 380.0 4.78 390.0 4.57 397.0 4.70 410.0 4.02 420.0 3.87 430.0 3.80 440.0 4.27 450.0 3.74 460.0 3.72 468.0 4.07 480.0 4.08 490.0 4.16 500.0 3.99 510.0 3.83 530.0 3.85 540.0 3.99 550.0 4.14 560.0 3.48 570.0 3.72 580.0 3.88 590.0 3.95 600.0 3.65 610.0 3.83 618.0 4.28 630.0 4.88 640.0 4.76 650.0 5.02 660.0 5.10 670.0 5.08 680.0 4.76 690.0 4.95 700.0 4.89 710.0 4.89 720.0 4.87 730.0 4.95 740.0 4.78 750.0 4.66 760.0 4.92 768.0 4.82 780.0 4.72 790.0 4.69 800.0 4.60 810.0 819.0 4.68 828.0 4.60 840.0 4.36 852.0 4.56 878.0 3.62 889.0 3.97 909.0 3.96 919.0 3.70 930.0 940.0 3.97 950.0 4.01 961.0 971.0 4.67 980.0 985.0 4.55 1003.0 4.69 1035.0 4.22 1050.0 3.87 1059.0 1065.0 4.18 1080.0 4.71 1089.0 4.63 1099.0 4.92 1109.0 4.81 1119.0 4.73 1129.0 4.91 1138.0 4.78 1152.0 4.74 1160.0 4.70 1170.0 5.08 1179.0 1189.0 4.64 1199.0 1209.0 4.50 1219.0 4.07 1230.0 1237.0 3.97 1249.0 4.26 1259.0 4.39 1271.0 4.52 1277.0 4.50 1289.0 4.30 1300.0 4.32 1309.0 4.12 1320.0 4.41 1328.0 4.08 1339.0 3.81 1349.0 4.07 1359.0 3.69 1369.0 3.73 1380.0 3.25 1389.0 3.69 1399.0 3.50 1409.0 3.81 1419.0 4.42 1429.0 4.78 1439.0 5.27 1452.0 5.12 1461.0 5.06 1470.0 4.68 1478.0 4.80 1490.0 4.87 1500.0 1512.0 4.80 1520.0 4.71 1530.0 4.53 1540.0 4.62 1549.0 4.64 1560.0 4.37 1570.0 4.56 1590.0 4.12 1602.0 4.33 1610.0 4.27 1620.0 3.88 1628.0 3.85 1640.0 1649.0 3.71 1659.0 3.49 1669.0 1680.0 3.50 1689.0 3.39 1699.0 3.77 1709.0 4.01 1719.0 4.41 1728.0 4.64 1738.0 4.98 1750.0 1760.0 4.30 1770.0 1780.0 4.58 1790.0 4.62 1800.0 4.65 1810.0 4.70 1817.0 4.63 1830.0 4.66 1840.0 4.39 1848.0 1855.0 4.63 1866.0 4.58 1870.0 4.41 1880.0 4.51 1890.0 4.41 1900.0 4.40 1910.0 4.27 1920.0 4.07 1930.0 4.03 1940.0 3.89 1950.0 3.76 1960.0 1967.0 1975.0 3.89 1990.0 3.89 1998.0 3.76 2010.0 3.78 2015.0 3.94 2020.0 3.95 2030.0 2040.0 4.18 2050.0 4.23 2060.0 4.23 2070.0 4.33 2080.0 4.14 2090.0 4.22 2100.0 4.03 2109.0 3.82 2115.0 4.06 2128.0 4.10 2135.0 4.07 2147.0 4.69 2159.0 4.42 2170.0 4.31 2180.0 4.32 2190.0 4.50 2200.0 4.63 2210.0 2220.0 4.53 2230.0 4.24 2240.0 4.01 2250.0 3.77 2260.0 3.72 2267.0 3.58 2280.0 3.67 2289.0 4.04 2300.0 4.06 2310.0 4.18 2350.0 4.08 2360.0 4.23 2370.0 4.00 2380.0 4.18 2390.0 3.92 2400.0 3.71 2410.0 3.78 2417.0 3.82 2430.0 4.36 2440.0 4.51 2447.0 4.87 2460.0 5.18 2465.0 5.05 2480.0 4.77 2490.0 4.95 2500.0 5.05 2510.0 4.95 2520.0 4.96 2530.0 4.68 2540.0 5.02 2550.0 4.87 2560.0 4.78 2567.0 4.84 2580.0 4.67 2589.0 4.92 2598.0 4.56 2609.0 4.71 2619.0 4.92 2629.0 4.41 2639.0 4.62 2650.0 4.44 2660.0 4.57 2670.0 4.34 2680.0 2689.0 4.16 2699.0 4.01 2710.0 3.67 2720.0 3.89 2730.0 3.97 2740.0 4.01 2750.0 4.18 2760.0 4.32 2770.0 4.25 2780.0 4.28 2790.0 4.53 2800.0 4.69 2810.0 4.79 2820.0 4.90 2830.0 4.97 2840.0 4.57 2850.0 4.38 2860.0 4.36 2870.0 4.20 2879.0 4.33 2886.0 4.41 2922.0 4.37 2930.0 4.33 2940.0 4.63 2950.0 4.73 2957.0 4.76 2970.0 4.71 2980.0 4.64 2991.0 4.67 3000.0 4.58 3010.0 4.37 3020.0 4.39 3030.0 4.52 3039.0 4.60 3050.0 4.24 3061.0 4.02 3069.0 3.85 3076.0 3.80 3088.0 3.66 3100.0 3.73 3110.0 3.88 3119.0 4.01 3130.0 4.61 3140.0 4.58 3150.0 4.69 3160.0 4.71 3170.0 4.68 3180.0 4.65 3190.0 4.70 3197.0 4.67 3207.0 4.47 3219.0 4.09 3229.0 4.19 3238.0 3.92 3249.0 3.98 3260.0 4.14 3270.0 4.04 3280.0 4.20 3290.0 4.06 3300.0 4.06 3310.0 3320.0 4.12 3330.0 3.98 3340.0 3.86 3350.0 3.87 3360.0 3.82 3370.0 3.71 3379.0 3.97 3388.0 3.89 3400.0 3.71 3410.0 3.57 3420.0 4.01 3430.0 3.64 3440.0 4.18 3450.0 4.49 3460.0 4.62 3470.0 5.09 3480.0 4.99 3490.0 5.04 3500.0 4.86 3512.0 4.76 3520.0 4.75 3530.0 4.75 3538.0 4.74 3550.0 4.74 3560.0 4.60 3570.0 4.37 3580.0 4.37 3590.0 4.21 3600.0 4.02 3610.0 4.26 3620.0 4.21 3630.0 4.48 3650.0 4.59 3660.0 4.56 3670.0 4.40 3680.0 4.43 3688.0 4.20 3700.0 4.26 3710.0 4.20 3720.0 4.18 3730.0 4.20 3737.0 3.91 3745.0 3.81 3755.0 3.73 3768.0 3.67 3775.0 3.35 3786.0 3.46 3795.0 3.60