Northeast Pacific Nitrogen Isotope and Paleoproductivity Data ----------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program ----------------------------------------------------------------------- NOTE: PLEASE CITE CONTRIBUTORS WHEN USING THIS DATA!!!!! NAME OF DATA SET: Northeast Pacific Nitrogen Isotope and Paleoproductivity Data LAST UPDATE: 11/2002 (Original Receipt by WDC Paleo) CONTRIBUTOR: Stephanie Kienast, University of British Columbia IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2002-075 SUGGESTED DATA CITATION: Kienast, S.S., et al., 2002, Northeast Pacific Nitrogen Isotope and Paleoproductivity Data, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2002-075. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Kienast, S.S., S.E. Calvert, and T.F. Pedersen, 2002, Nitrogen isotope and productivity variations along the northeast Pacific margin over the last 120 kyr: surface and subsurface paleoceanography, PALEOCEANOGRAPHY vol 17. no 4, pages 7-1 to 7-17. ADDITIONAL REFERENCES: Mix, A.C., D.C. Lund, N.G. Pisias, P. Bodén, L. Bornmalm, M. Lyle, and J. Pike, 1999, Rapid climate oscillation in the Northeast Pacific during the last deglaciation reflects Northern and Southern Hemisphere Sources, in Mechanisms of Global Climate Change at Millennial Time Scales, edited by P.U. Clark, R.S. Webb, and L.D. Keigwin, pp. 127-148, American Geophysical Union, 1999. Lund, D.C., and A.C. Mix, 1998, Millennial-scale deep water oscillations: Reflections of the North-Atlantic in the deep Pacific from 10 to 60 ka, Paleoceanography, 13 (1), 10-19, 1998. GEOGRAPHIC REGION: Northeast Pacific Ocean PERIOD OF RECORD: 120 KYrBP - present DESCRIPTION: Northeast Pacific Nitrogen Isotope and Paleoproductivity Data Core and trap locations and water depth: Nearshore: Traps 42° 05'N 125° 45'W - core W8709A-13PC 42° 07.01'N 125° 45'W 2712m. Core W8709A-9BC 42° 04.72'N 125° 49.28'W 2824m. Midway: Traps 42° 10'N 127° 35'W - core W8709A-8TC 42° 15.74'N 127° 40.68'W 3111m. Core W8709A-8PC 42° 15.74'N 127° 40.68'W 3111m. Core W8709A-6BC 42° 15.24'N 127° 38.31'W 2914m. DATA: Tab-delimited columns for all series. View with wide tab settings or in a spreadsheet for best column alignment. Space delimited version: ftp://ftp.ngdc.noaa.gov/paleo/contributions_by_author/kienast2002/kienast2002.prn Core W9709-13 PC Column 1: W9709-13 PC core depth in cm Column 2: kilo years before present (after Mix et al. 1999 and Lund and Mix 1998) Column 3: d15N , per mil versus air Column 4: organic carbon, weight percent Column 5: biogenic opal, weight percent Column 6: organic carbon, mass accumulation rate, mgC/cm2/kilo year W87-13PC (cm) ka (Mix 99 +Lund) 15N/14N 13 PC % Corg 13PC % opal Corg AR mg/cm2/ka 3.0000 6.3400 6.5400 1.5600 10.250 178.21 5.5000 6.4300 6.4100 1.5500 11.510 178.31 9.0000 6.5500 6.8100 1.5900 11.940 195.33 13.000 6.6900 6.6100 1.5300 10.860 196.21 15.000 6.7600 6.9000 1.5100 11.250 197.50 18.000 6.8700 6.5900 1.5200 11.140 203.20 20.500 6.9600 6.1100 1.4800 8.8500 200.59 24.000 7.0800 6.0400 1.4600 9.3400 201.56 27.000 7.1800 6.4800 1.4900 9.8500 208.73 30.000 7.2900 6.2700 1.5200 8.7400 215.25 33.000 7.3900 6.4200 1.5100 9.8200 217.26 36.000 7.5000 6.0400 1.5000 9.1800 217.82 39.000 7.6000 6.5500 1.5200 9.0800 222.17 42.000 7.7100 6.5500 1.5200 9.7500 223.91 45.500 7.8300 6.6700 1.3600 9.2900 202.19 48.000 7.9200 6.4900 1.4600 9.5200 217.73 51.000 8.0200 6.6800 1.5100 9.3300 227.70 54.000 8.1300 6.1800 1.5200 8.8400 229.31 57.000 8.2300 6.0400 1.5000 8.7400 228.43 60.000 8.3300 6.0600 1.5400 8.7000 234.97 63.000 8.4400 6.8700 1.5800 9.3100 243.24 67.000 8.5800 6.7700 1.6200 9.3700 251.28 69.000 8.6500 6.5900 1.6000 9.5300 247.63 72.000 8.7500 6.6900 1.6200 9.3100 252.94 74.000 8.8200 7.0400 1.5800 9.5900 246.53 78.000 8.9600 7.1400 1.6600 8.6100 261.13 81.000 9.0700 6.9800 1.5600 8.9800 246.05 84.000 9.1700 7.2400 1.5700 8.9900 248.31 87.000 9.2800 7.3200 1.6300 9.3500 258.60 90.000 9.3800 7.1800 1.5500 9.0100 247.75 93.500 9.5000 7.5300 1.5600 9.0400 250.12 96.000 9.5900 7.5300 1.6100 8.4200 258.74 99.000 9.7100 7.4200 1.5800 8.8100 407.90 102.50 9.7800 7.5900 1.6000 7.2900 412.31 105.00 9.8400 7.3000 1.5600 6.7100 404.05 108.00 9.9000 7.3100 1.5900 6.8100 413.45 111.00 9.9700 6.9800 1.5700 6.7000 408.41 114.00 10.030 7.1600 1.6300 6.6600 425.31 117.00 10.100 7.5400 1.5700 6.4500 410.78 120.00 10.160 7.4700 1.5100 5.7400 395.77 122.00 10.210 6.9900 1.5300 5.8100 402.21 125.00 10.270 7.4400 1.5600 6.9200 411.31 128.00 10.440 7.5300 1.5800 4.8300 113.78 131.00 10.680 7.1000 1.6500 4.4500 121.78 135.00 10.990 6.7600 1.5800 4.4600 117.52 140.50 11.400 6.9200 1.5100 4.6000 131.38 144.00 11.630 6.5300 1.4400 4.6700 125.78 147.00 11.830 6.6500 1.3400 5.0000 117.74 150.00 12.030 6.5900 1.3500 4.3700 118.62 152.50 12.200 5.9900 1.3300 4.6700 116.88 156.00 12.420 5.8700 1.2200 5.0400 117.80 162.00 12.780 6.6200 1.3700 5.3400 133.01 167.00 13.090 6.7300 1.3400 6.1000 130.50 170.50 13.300 6.5000 1.3800 6.6000 285.15 173.50 13.390 7.1000 1.4000 5.9900 290.84 177.00 13.490 7.1300 1.4200 5.1000 294.66 179.50 13.560 6.9000 1.4100 5.6500 293.95 183.00 13.660 7.0000 1.4600 5.6300 305.05 186.00 13.740 6.9000 1.3800 5.3900 288.57 189.00 13.830 6.6600 1.4600 5.3200 306.26 192.00 13.920 6.8500 1.4600 6.0700 208.25 195.00 14.050 6.5400 1.5200 4.6500 217.00 198.00 14.170 6.5500 1.3900 4.9200 208.95 201.00 14.410 5.9200 1.3200 4.2400 84.000 204.00 14.700 6.2200 1.2900 4.5500 82.080 207.00 14.980 6.1400 1.1400 4.1000 72.420 210.00 15.260 5.4100 1.1700 3.2900 61.920 213.00 15.520 5.5800 1.2500 3.9300 170.03 216.00 15.660 5.5800 1.3300 4.1900 181.69 219.00 15.790 5.8600 1.2700 4.2300 173.12 221.00 15.880 5.7700 1.2500 4.1300 171.19 224.00 16.090 5.8800 1.1300 4.2400 18.440 227.00 17.210 6.0200 1.1100 4.4900 18.020 230.00 17.450 4.3300 233.00 17.520 5.8000 1.1800 4.5300 330.85 236.00 17.580 5.9700 1.2300 4.8100 344.99 239.00 17.650 5.9300 1.2000 4.2900 337.14 241.00 17.690 5.7700 1.1900 5.0100 336.73 244.00 17.760 5.6600 1.1000 4.0100 311.48 247.00 17.820 5.8600 1.1100 4.4500 312.69 250.00 17.890 5.6700 1.0600 5.1000 298.76 253.00 17.950 4.9500 256.00 18.020 5.1200 0.92000 4.5600 260.92 259.00 18.080 5.0100 1.0000 4.7700 283.06 262.00 18.150 5.3500 1.0600 5.3200 300.74 265.00 18.210 5.0100 0.99000 4.8300 282.74 268.00 18.280 5.3800 0.94000 4.8000 267.43 272.50 18.380 5.9100 0.96000 5.3700 273.81 275.50 18.440 5.6800 0.99000 5.4300 282.59 278.50 18.510 5.8100 0.93000 5.2100 266.99 282.00 18.580 5.8600 0.97000 4.9200 276.25 284.50 18.640 6.2000 0.93000 4.9700 265.53 289.00 18.730 5.9300 0.94000 4.9500 269.21 293.50 18.830 7.0500 0.98000 4.8400 281.64 296.50 18.900 6.7400 0.93000 5.2000 267.24 299.50 18.960 6.4100 0.99000 5.3400 284.74 303.00 19.700 6.4500 0.96000 4.7400 14.990 306.50 20.090 6.2700 0.97000 4.7900 193.11 310.00 20.200 6.1400 0.91000 5.4300 181.51 313.00 20.290 5.9400 0.98000 6.3500 195.45 316.50 20.400 6.1700 0.96000 5.2000 192.88 319.00 20.480 5.0600 0.97000 5.4500 194.37 322.00 20.570 4.7100 0.96000 5.3200 192.40 325.00 20.670 4.7500 0.89000 5.0100 179.26 327.50 20.740 5.1700 0.92000 5.1400 184.36 331.00 20.850 5.4600 0.89000 4.5400 178.74 336.50 21.240 4.9100 0.91000 5.1100 67.820 340.00 21.540 5.0600 0.90000 5.4800 66.790 344.50 21.920 5.0400 0.93000 5.4500 69.050 346.50 22.090 5.3500 0.91000 5.1800 68.130 349.50 22.340 4.7500 0.87000 5.4900 65.090 354.00 22.720 5.1900 0.99000 5.3300 73.660 357.00 22.980 5.0500 0.93000 5.1800 69.390 359.50 23.190 4.9800 0.89000 4.5700 66.450 363.00 23.490 4.6600 0.89000 5.2400 66.510 366.00 23.740 4.8500 0.90000 5.0100 67.730 369.00 24.000 5.0900 0.86000 4.7900 64.300 371.50 24.210 4.8600 0.93000 4.8700 70.000 375.00 24.510 5.3000 0.98000 5.6300 73.840 377.50 24.720 5.0700 0.93000 5.1000 69.620 381.00 25.020 4.8200 0.87000 5.1800 65.410 384.00 25.160 4.8300 0.94000 5.5900 209.18 387.00 25.240 4.5700 1.0000 5.7000 222.56 390.00 25.330 5.0800 0.96000 5.7000 213.90 393.00 25.420 5.1100 0.84000 5.3600 155.97 396.00 25.520 4.6100 0.83000 5.3200 154.03 399.50 25.640 4.0900 0.87000 6.1700 162.60 403.50 25.790 4.8400 0.86000 5.0300 138.37 407.50 26.040 4.9200 0.89000 4.8900 89.360 410.00 26.200 4.8800 0.89000 4.8400 89.750 413.00 26.390 5.2500 0.89000 4.5800 89.210 416.00 26.580 5.1000 0.88000 5.1300 88.400 419.00 26.770 5.4300 0.87000 5.1000 87.670 423.50 27.060 5.2000 0.94000 4.6700 94.700 425.00 27.150 5.2900 0.95000 4.8000 95.910 428.00 27.340 5.2900 1.0100 4.9300 101.66 431.00 27.540 4.9100 0.91000 4.6500 92.330 434.00 27.730 4.7800 0.91000 4.8900 92.060 437.00 27.920 4.8200 0.90000 4.6000 90.670 440.00 28.110 5.3300 0.91000 4.8900 92.060 443.50 28.340 5.8100 0.89000 5.5200 81.190 445.50 28.480 5.5700 1.0300 6.7000 94.280 446.00 28.510 5.4600 0.93000 5.4400 84.970 448.00 28.650 5.2300 1.1000 5.9100 100.98 449.00 28.720 5.4200 1.0000 5.1600 92.080 452.00 28.930 5.0900 1.0200 5.2400 93.450 455.00 29.140 4.7100 0.98000 4.5500 90.110 458.00 29.360 4.8400 0.95000 4.7700 86.990 461.00 29.570 5.0000 0.92000 4.5900 84.790 464.00 29.780 4.5300 0.95000 4.4600 87.640 467.00 29.990 4.7100 0.96000 5.1400 88.280 470.00 30.200 4.5800 0.94000 4.9500 86.450 471.50 30.310 4.5500 0.90000 4.9100 83.100 474.50 30.520 5.3400 0.97000 5.3400 89.090 477.50 30.730 4.4600 0.96000 5.2200 88.560 480.50 30.940 5.3300 1.0300 5.0700 95.540 483.50 31.150 5.1800 1.0200 5.2600 94.620 486.00 31.330 5.0400 0.99000 5.0700 91.470 489.50 31.570 5.2500 1.0600 5.4300 97.610 492.50 31.780 5.3800 0.97000 5.5300 89.910 495.50 31.990 5.3100 1.0000 5.5900 92.400 498.50 32.210 5.2200 1.0800 5.7600 98.510 502.50 32.490 4.9000 1.0000 5.3300 91.190 505.50 32.710 5.4000 5.4000 508.50 32.920 5.2000 1.1400 5.2600 104.20 511.50 33.140 5.1900 1.1200 4.9000 102.04 515.50 33.430 5.1000 1.1300 4.8000 103.01 518.50 33.640 5.0200 1.1300 5.9200 103.46 521.50 33.860 5.1800 1.0800 5.7700 98.550 523.50 34.000 5.1500 1.0600 5.8500 97.070 527.00 34.250 4.9800 1.0500 5.9800 95.710 530.50 34.500 5.1900 1.0500 5.8900 96.220 533.50 34.720 5.1300 1.0300 6.4100 94.640 536.50 34.930 5.0900 1.0400 6.1900 95.220 539.50 35.150 5.6300 1.1000 6.1800 100.68 542.50 35.360 5.5200 1.1300 5.9600 103.73 551.00 35.970 5.0500 1.0900 6.9600 100.36 553.50 36.150 5.5700 1.1200 6.0700 102.71 556.50 36.360 5.8600 1.0600 6.3300 91.040 559.50 36.590 5.4900 1.0300 5.9500 88.560 562.50 36.820 5.8100 1.0600 6.1100 90.830 565.50 37.050 5.9400 1.0500 6.1600 89.930 569.00 37.320 6.4200 1.1100 6.0100 94.750 571.50 37.500 6.5800 1.2100 6.0400 117.09 574.00 37.670 6.3800 1.2500 5.3700 120.86 577.00 37.880 6.2600 1.2600 5.5600 121.36 580.00 38.080 6.1700 1.1800 5.2900 113.79 583.00 38.290 5.4600 1.1500 5.2100 111.33 586.00 38.490 5.6300 1.0900 5.7900 105.61 588.50 38.670 5.6200 1.0400 5.3200 100.18 591.50 38.870 5.8000 1.0100 5.2800 98.110 594.00 39.040 5.3700 0.99000 4.9600 95.970 597.00 39.250 5.7800 1.0500 5.3900 101.63 600.00 39.450 5.6000 1.0300 5.3400 100.12 603.00 39.660 5.3000 1.0900 6.2700 105.12 606.00 39.860 5.8700 5.2800 609.50 40.190 5.6000 1.1000 6.9500 56.030 612.50 40.580 5.6600 1.2700 5.7200 64.690 615.50 40.970 5.2700 1.0800 6.1500 54.880 618.00 41.300 5.5800 1.0600 5.8600 54.010 621.00 41.690 5.5800 1.0400 6.7400 53.180 624.00 42.080 6.0400 1.1500 6.1600 58.540 627.00 42.470 6.3600 1.2500 6.1700 63.650 630.50 42.920 6.6600 1.1200 6.2100 57.260 633.00 43.250 6.6700 1.2800 6.3300 65.360 636.50 43.710 6.0500 1.0100 6.5000 51.810 639.50 44.100 6.0700 1.0100 7.0600 51.890 642.50 44.490 5.1700 0.97000 4.6600 49.440 645.50 44.870 6.0700 1.0200 6.3200 52.210 648.50 45.260 6.2400 1.1300 4.8500 57.850 651.50 45.650 6.3900 1.1000 7.3100 56.610 654.50 46.040 6.4700 1.1000 7.3100 56.620 657.50 46.440 6.4400 1.1200 7.4700 57.650 660.50 46.810 6.2500 1.0800 8.0000 57.840 663.50 47.190 6.1500 1.2300 7.4200 65.480 666.50 47.560 6.4100 1.2800 6.8400 68.670 669.50 47.940 6.1000 1.2200 6.1000 65.320 672.50 48.310 6.0900 1.2200 6.0700 65.340 675.50 48.690 6.2000 1.2400 6.0100 66.590 678.50 49.060 5.5500 1.1200 6.2800 60.100 681.50 49.440 5.4100 1.0800 6.5500 58.100 684.50 49.810 5.4200 1.1000 6.8800 59.180 687.50 50.190 5.7700 1.0800 7.0100 58.070 690.50 50.560 5.9300 1.1200 7.0500 60.170 693.50 50.940 5.8700 1.2100 7.2200 64.820 696.50 51.310 5.8700 1.1000 7.8100 59.250 699.50 51.690 5.7700 1.1100 7.5500 59.500 702.50 52.060 5.6400 1.1800 8.3200 63.240 705.50 52.440 5.8300 1.1800 8.5300 63.350 708.50 52.810 5.9900 1.1400 7.5000 61.250 710.50 53.080 6.0000 1.2200 8.4700 51.070 714.50 53.720 6.4100 1.2900 9.0100 54.260 717.50 54.200 6.6000 1.2600 6.5500 53.040 720.50 54.680 6.3700 1.2500 8.7800 52.460 723.50 55.160 6.3500 1.2100 7.9600 50.990 726.50 55.640 6.6000 1.2000 8.2200 50.640 729.50 56.120 5.8500 1.1000 7.5300 46.390 732.50 56.600 5.4600 0.92000 7.3100 38.930 735.50 57.040 5.4500 1.0200 7.1900 85.870 738.50 57.280 5.1800 1.0100 7.4600 84.850 741.50 57.520 5.6200 0.94000 7.4600 79.130 744.50 57.760 5.3700 0.96000 8.0600 81.330 747.50 58.000 5.3800 0.92000 7.7400 77.770 750.50 58.240 5.5100 1.0400 6.9600 87.950 753.50 58.480 5.4400 1.0100 7.7400 84.880 756.50 58.720 5.7200 1.0400 7.8400 87.780 759.50 58.960 5.6600 1.0000 7.6100 84.120 762.50 59.200 6.3700 1.1000 6.5000 92.520 765.50 59.440 6.3500 1.0500 6.5900 88.900 768.50 59.680 6.1100 1.0100 6.4600 85.350 771.50 59.920 5.6400 0.99000 5.0700 83.290 774.50 60.160 6.1300 1.0100 5.3800 85.790 777.50 60.400 5.8800 0.96000 5.1800 81.090 780.50 60.640 5.7300 1.0000 5.5700 84.580 783.50 60.880 4.8200 0.93000 4.8500 79.050 786.50 61.120 4.6500 0.89000 3.9200 75.680 789.50 61.360 4.5900 0.89000 4.8400 75.000 792.50 61.600 4.4600 0.90000 4.6600 76.520 795.50 61.840 4.0800 798.50 62.080 4.5100 0.86000 4.5100 72.780 801.50 62.320 4.9400 0.87000 4.7000 73.370 804.50 62.560 5.2600 0.90000 4.6100 76.020 807.50 62.800 4.5000 0.84000 4.0400 71.110 810.50 63.040 4.4300 0.92000 3.3800 77.950 813.50 63.280 4.1100 0.84000 5.3400 71.280 816.50 63.520 3.9600 0.87000 3.8700 74.060 819.50 63.760 3.9600 0.87000 4.5900 73.550 822.50 64.000 4.2300 0.85000 4.5300 72.020 825.50 64.240 3.8500 0.88000 4.2800 74.870 828.50 64.480 4.3700 0.85000 4.8200 72.650 831.50 64.720 4.0900 0.78000 6.0000 66.350 834.50 64.960 3.9500 0.88000 4.8800 74.670 837.50 65.200 4.0200 0.82000 4.8900 69.390 840.50 65.440 4.7800 0.76000 5.0500 64.290 843.50 65.680 4.5000 0.74000 5.3000 62.920 846.50 65.920 4.3700 0.79000 5.3200 67.140 849.50 66.160 4.9100 0.80000 5.5900 68.280 852.50 66.400 5.2900 0.77000 5.4700 65.580 855.50 66.640 5.1800 0.82000 6.3800 70.130 858.50 66.880 5.8000 0.99000 6.0200 84.840 861.50 67.120 6.1500 1.0700 7.3200 91.220 864.50 67.360 4.9000 0.97000 6.0100 82.380 867.50 67.600 5.0100 1.0000 6.6900 85.160 870.50 67.840 5.2300 0.98000 6.7800 Core W8709-8PC: Column 1: W8709-8PC, core depth in cm Column 2: W8709-8PC, core depth in cm, corrected for over penetration Column 3: kilo years before present Column 4: d15N , per mil versus air Column 5: barium/aluminum ratio (ppm/%) Column 6: organic carbon, weight percent Column 7: biogenic opal, weight percent W8709-8PC (cm) W8709-8PC (cm, corrected) Age (ka) d15N Ba/Al x 10-4 % C org % opal 4.0 144 15.01 8.22 237.66 1.15 5.8930 14.0 154 16.07 7.16 227.08 0.93 4.8880 24.0 164 17.00 6.91 187.50 0.55 4.2260 34.0 174 17.99 6.45 193.69 0.61 4.1630 44.0 184 18.91 6.72 194.91 0.68 4.7200 54.0 194 19.84 6.38 187.18 0.66 5.1070 64.0 204 20.77 6.82 185.54 0.69 5.0300 74.0 214 21.69 6.52 191.31 0.67 5.2150 84.0 224 22.62 6.67 178.89 0.72 4.9830 94.0 234 23.54 6.14 182.06 0.69 5.0470 104.0 244 24.47 6.43 191.08 0.72 5.2970 114.0 254 25.39 6.33 181.70 0.58 4.3670 124.0 264 26.32 6.63 185.63 0.69 4.7030 134.0 274 27.24 6.74 180.39 0.74 4.5840 144.0 284 28.17 6.22 183.53 0.77 4.6990 154.0 294 29.10 6.21 177.74 0.77 5.1310 164.0 304 30.02 6.04 186.93 0.78 5.0470 174.0 314 30.95 6.52 218.53 0.82 5.0700 184.0 324 31.87 6.68 207.90 0.90 5.0080 194.0 334 32.80 6.62 211.19 0.78 4.8920 204.0 344 33.72 6.88 213.22 0.80 5.0280 214.0 354 34.65 6.98 231.73 0.76 4.9670 224.0 364 35.57 6.94 223.70 0.85 5.1570 234.0 374 36.50 7.43 230.43 0.84 4.8030 244.0 384 37.18 7.29 216.01 1.01 5.5940 254.0 394 37.86 6.96 205.30 1.01 5.6630 264.0 404 38.53 6.54 196.44 0.88 5.4480 274.0 414 39.21 6.67 198.64 0.89 5.3940 284.0 424 39.89 6.77 212.36 0.91 5.6110 294.0 434 40.57 6.75 210.80 0.94 6.1740 304.0 444 41.24 6.95 236.10 1.00 5.8870 314.0 454 41.92 6.73 216.80 0.94 6.3120 324.0 464 42.60 6.71 240.76 0.85 5.5470 334.0 474 43.85 7.29 255.02 0.98 5.5720 344.0 484 45.10 7.00 230.99 0.94 6.2430 354.0 494 46.35 6.46 206.68 1.00 6.1290 364.0 504 47.60 6.53 206.47 0.89 5.9400 374.0 514 48.85 6.97 230.36 0.95 5.3440 384.0 524 50.10 6.90 247.02 0.52 5.4270 394.0 534 51.35 6.73 255.13 0.49 5.3580 404.0 544 52.60 7.67 278.44 0.60 5.4940 414.0 554 53.46 7.50 263.94 0.68 6.1650 424.0 564 54.32 7.10 242.92 0.70 5.7670 434.0 574 55.18 7.19 232.55 0.75 6.0620 444.0 584 56.04 6.85 226.77 0.67 5.4910 454.0 594 56.90 7.14 254.52 0.64 5.5140 464.0 604 57.94 7.77 291.05 0.73 6.2900 474.0 614 58.97 7.53 267.30 0.77 6.3180 484.0 624 60.01 6.93 232.01 0.77 6.1800 494.0 634 61.05 6.79 254.80 0.79 6.0440 504.0 644 62.09 6.17 197.10 0.71 5.3620 514.0 654 63.12 6.10 200.27 0.71 5.2360 524.0 664 64.16 5.70 205.26 0.64 5.0670 534.0 674 65.20 5.72 189.74 0.54 4.8450 544.0 684 66.13 5.93 187.01 0.68 4.7990 554.0 694 67.07 5.79 184.52 0.67 4.7600 564.0 704 68.00 5.70 186.18 0.60 4.6820 574.0 714 69.07 5.36 192.09 0.57 5.3660 584.0 724 70.15 5.79 187.20 0.55 5.4570 594.0 734 71.22 6.85 248.29 0.60 5.1050 604.0 744 72.30 7.21 280.72 0.76 4.4570 614.0 754 73.23 6.77 254.47 0.93 7.0640 624.0 764 74.17 6.06 231.94 0.71 6.3450 634.0 774 75.10 7.01 294.90 1.01 6.2700 644.0 784 76.37 6.79 275.33 1.05 5.5270 654.0 794 77.63 5.84 232.41 0.80 7.3050 664.0 804 78.90 6.42 256.82 0.80 5.7750 674.0 814 80.22 6.73 251.33 0.73 4.8350 684.0 824 81.55 6.90 255.93 0.88 4.8730 694.0 834 82.88 6.23 261.63 1.04 5.8300 704.0 844 84.20 7.25 262.13 1.05 6.5190 714.0 854 85.53 7.18 248.70 0.99 6.5530 724.0 864 86.85 6.51 240.00 1.01 6.2700 734.0 874 88.18 6.46 298.26 1.00 7.1400 744.0 884 89.50 5.60 207.96 0.94 6.2100 754.0 894 90.82 5.71 228.35 0.85 5.8800 764.0 904 92.15 6.18 262.33 0.99 6.4500 774.0 914 93.47 6.53 292.40 1.02 6.1200 784.0 924 94.80 5.79 262.36 0.90 4.8900 794.0 934 96.13 6.31 255.97 1.32 4.2700 804.0 944 97.45 6.84 293.89 1.37 4.2100 814.0 954 98.78 6.84 256.29 1.49 4.1260 824.0 964 100.10 6.91 246.02 1.42 5.4000 834.0 974 101.43 6.61 275.42 1.48 5.3800 844.0 984 102.75 7.22 329.26 1.39 5.3750 854.0 994 104.07 6.91 235.91 1.33 5.4580 864.0 1004 105.40 6.39 234.84 1.40 5.9100 872.0 1012 106.46 7.21 226.70 1.14 6.1950 Core W8709-8TC: Column 1: W8709-8TC, core depth in cm Column 2: kilo years before present Column 3: d15N , per mil versus air Column 4: barium/aluminum ratio (ppm/%) Column 5: organic carbon, weight percent Column 6: biogenic opal, weight percent W8709 A-8TC (cm) Age (ka B.P.) d15N Ba/Al *10-4 % Corg % opal 4.0 0.41 8.34 371.80 1.33 8.9 9.0 0.93 7.94 364.89 1.40 9.2 14.0 1.45 7.78 376.80 1.32 8.8 19.0 1.96 7.69 364.17 1.27 9.0 24.0 2.48 7.86 365.85 1.21 9.1 29.0 3.00 7.85 347.96 1.24 7.7 34.0 3.51 7.59 344.88 1.16 8.2 39.0 4.03 7.91 334.39 1.13 7.6 44.0 4.55 7.86 323.14 1.14 7.4 49.0 5.07 7.77 314.24 1.17 7.5 54.0 5.58 7.90 298.64 1.14 7.2 59.0 6.10 8.01 292.24 1.12 7.2 64.0 6.62 8.22 293.82 1.10 7.5 69.0 7.13 8.29 292.93 1.12 7.2 74.0 7.65 8.52 310.33 1.21 6.8 79.0 8.17 8.87 291.63 1.26 6.8 84.0 8.68 8.67 293.36 1.30 6.6 89.0 9.20 8.88 270.83 1.32 7.0 94.0 9.73 8.85 266.78 1.26 7.4 98.5 10.20 8.74 259.52 1.23 6.1 103.5 10.73 8.40 279.00 1.22 5.7 109.0 11.31 8.40 237.39 1.27 5.6 114.0 11.84 7.93 233.46 1.17 5.1 119.0 12.37 7.86 218.40 1.30 5.0 124.0 12.90 8.08 256.16 1.09 4.9 129.0 13.43 8.09 253.35 1.24 4.7 134.0 13.96 7.65 236.32 1.22 4.9 139.0 14.49 7.29 232.06 1.13 4.5 144.0 15.01 6.92 216.80 1.01 5.0 149.0 15.54 7.02 221.96 1.00 5.7 154.0 16.07 7.10 198.06 0.67 4.7 159.0 16.60 6.49 196.38 0.70 4.8 163.5 17.02 6.68 199.71 0.67 3.8 169.0 17.53 6.35 212.17 0.70 4.3 174.0 17.99 6.64 215.57 0.68 4.3 179.0 18.45 6.55 209.49 0.69 4.8 184.0 18.91 6.53 231.25 0.71 4.6 189.0 19.38 6.62 214.27 0.72 4.7 Nearshore trap: Column 1: sediment trap access number Column 2: sediment trap depth (m) Column 3: d15N , per mil versus air Column 4: start of deployment (d-m-y) Column 5: duration of deployment (d) access number trap depth (m) d15N deployment (d-m-y) duration (days) MT31390 1000.0 5.5700 22-9-1987 33.000 MT31391 1000.0 6.0500 25-10-1987 60.000 MT31392 1000.0 4.9800 24-12-1987 60.000 MT31393 1000.0 4.2200 22-2-1988 60.000 MT31394 1000.0 6.0300 22-4-1988 60.000 MT31395 1000.0 5.2300 21-6-1988 87.000 MT32108 1000.0 6.0600 17-9-1988 40.000 MT32109 1000.0 6.5900 27-10-1988 60.000 MT32110 1000.0 6.7800 26-12-1988 60.000 MT32112 1000.0 7.7100 24-2-1989 60.000 MT32258 1000.0 7.9800 17-9-1989 30.000 MT32259 1000.0 7.1600 17-10-1989 30.000 MT32260 1000.0 7.2000 16-11-1989 30.000 MT32261 1000.0 6.6700 16-12-1989 30.000 MT32262 1000.0 6.8800 15-1-1990 30.000 MT32356 1000.0 5.8600 11-3-1990 35.000 MT32357 1000.0 6.1900 15-4-1990 30.000 MT32358 1000.0 5.5400 15-5-1990 30.000 MT32359 1000.0 7.8800 14-6-1990 30.000 MT32360 1000.0 7.7100 14-7-1990 30.000 MT32361 1000.0 7.5300 13-8-1990 36.000 MT32409 1000.0 7.6800 29-9-1990 37.000 MT32410 1000.0 8.4700 5-11-1990 60.000 MT32411 1000.0 8.9900 4-1-1991 60.000 MT32412 1000.0 6.8800 5-3-1991 60.000 MT32413 1000.0 6.6800 4-5-1991 60.000 MT32408 1000.0 7.6800 3-7-1991 86.000 MT31396 1500.0 6.2400 22-9-1987 6.0000 MT31397 1500.0 4.8200 28-9-1987 27.000 MT31398 1500.0 4.1200 25-10-1987 30.000 MT31399 1500.0 3.5300 24-11-1987 30.000 MT31400 1500.0 5.6500 24-12-1987 30.000 MT31401 1500.0 6.0000 23-3-1988 237.00 MT32114 1500.0 6.1300 17-9-1988 13.000 MT32115 1500.0 5.3100 30-9-1988 27.000 MT32116 1500.0 5.6700 27-10-1988 30.000 MT32117 1500.0 6.1300 26-11-1988 30.000 MT32118 1500.0 7.0000 26-12-1988 30.000 MT32119 1500.0 5.1600 25-1-1989 30.000 MT32120 1500.0 4.5900 24-2-1989 30.000 MT32121 1500.0 4.5000 26-3-1989 30.000 MT32122 1500.0 5.6900 25-4-1989 30.000 MT32123 1500.0 6.9600 25-5-1989 30.000 MT32124 1500.0 7.6500 24-6-1989 30.000 MT32125 1500.0 7.6400 24-7-1989 53.000 MT32414 1500.0 8.8300 29-9-1990 37.000 MT32415 1500.0 7.2200 5-11-1990 30.000 MT32416 1500.0 6.6400 5-12-1990 30.000 MT32417 1500.0 7.3300 4-1-1991 30.000 MT31587 1750.0 6.4500 22-9-1987 33.000 MT31588 1750.0 5.9000 25-10-1987 60.000 MT31589 1750.0 5.5300 24-12-1987 60.000 MT31590 1750.0 4.9800 22-2-1988 60.000 MT31591 1750.0 6.5600 22-4-1988 60.000 MT31592 1750.0 5.9900 21-6-1988 87.000 MT32264 1750.0 6.8300 17-9-1989 30.000 MT32265 1750.0 6.2000 17-10-1989 30.000 MT32266 1750.0 7.3000 16-11-1989 30.000 MT32267 1750.0 6.4600 16-12-1989 30.000 MT32268 1750.0 5.3900 15-1-1990 30.000 MT31593 2329.0 5.9800 22-9-1987 33.000 MT31594 2329.0 6.1500 25-10-1987 60.000 MT31595 2329.0 5.3200 24-12-1987 60.000 MT31596 2329.0 4.5600 22-2-1988 60.000 MT31597 2329.0 6.5600 22-4-1988 60.000 MT31598 2329.0 5.6300 21-6-1988 87.000 MT32133 2300.0 6.5200 17-9-1988 40.000 MT32134 2300.0 4.6200 27-10-1988 60.000 MT32135 2300.0 5.7900 26-12-1988 60.000 MT32136 2300.0 5.2100 24-2-1989 60.000 MT32137 2300.0 6.6000 25-4-1989 60.000 MT32138 2300.0 6.8700 24-6-1989 83.000 MT32274 2290.0 8.7300 17-9-1989 30.000 MT32275 2290.0 7.4100 17-10-1989 30.000 MT32276 2290.0 6.0200 16-11-1989 30.000 MT32277 2290.0 6.8500 16-12-1989 30.000 MT32278 2290.0 7.1100 15-1-1990 30.000 MT32407 2290.0 6.3700 14-2-1990 23.000 MT32384 2200.0 5.0100 11-3-1990 35.000 MT32385 2200.0 5.0500 15-4-1990 30.000 MT32386 2200.0 5.4900 15-5-1990 30.000 MT32387 2200.0 5.9400 14-6-1990 30.000 MT32388 2200.0 7.2000 14-7-1990 30.000 MT32389 2200.0 6.4300 13-8-1990 36.000 MT32420 2275.0 6.7900 29-9-1990 37.000 MT32421 2275.0 7.6700 5-11-1990 60.000 MT32422 2275.0 6.6000 4-1-1991 60.000 MT32423 2275.0 6.5300 5-3-1991 60.000 MT32424 2275.0 6.2200 4-5-1991 60.000 MT32425 2275.0 6.2100 3-7-1991 86.000 Midway trap: Column 1: sediment trap access number Column 2: sediment trap depth (m) Column 3: d15N , per mil versus air Column 4: start of deployment (d-m-y) Column 5: duration of deployment (d) access number trap depth (m) d15N deployment (d-m-y) duration (days) MT31402 1000.0 7.4100 28-9-1987 27.000 MT31403 1000.0 7.6400 25-10-1987 60.000 MT31404 1000.0 4.6700 24-12-1987 60.000 MT31405 1000.0 4.7300 22-2-1988 60.000 MT31406 1000.0 6.8700 22-4-1988 60.000 MT31407 1000.0 8.3600 21-6-1988 85.000 MT32145 1000.0 7.0300 19-9-1988 38.000 MT32146 1000.0 6.1900 27-10-1988 60.000 MT32148 1000.0 5.4300 24-2-1989 60.000 MT32149 1000.0 7.0800 25-4-1989 60.000 MT32147 1000.0 6.6700 26-12-1989 60.000 MT32426 1000.0 8.6300 28-9-1990 38.000 MT32427 1000.0 10.760 5-11-1990 60.000 MT32428 1000.0 9.6600 4-1-1991 60.000 MT32429 1000.0 7.2800 5-3-1991 60.000 MT32430 1000.0 9.2900 4-5-1991 60.000 MT32431 1000.0 9.3700 3-7-1991 82.000 MT32151 1500.0 7.6000 19-9-1988 11.000 MT32152 1500.0 6.1600 30-9-1988 27.000 MT32153 1500.0 6.4300 27-10-1988 30.000 MT32154 1500.0 6.8600 26-11-1988 30.000 MT32155 1500.0 7.6400 26-12-1988 30.000 MT32156 1500.0 6.7700 25-1-1989 30.000 MT32157 1500.0 6.0100 24-2-1989 30.000 MT32158 1500.0 5.6000 26-3-1989 30.000 MT32159 1500.0 6.0500 25-4-1989 30.000 MT32160 1500.0 6.9800 25-5-1989 30.000 MT32161 1500.0 8.2100 24-6-1989 30.000 MT32162 1500.0 8.3600 24-7-1989 30.000 MT32163 1500.0 7.9100 23-8-1989 26.000 MT32291 1500.0 7.5800 24-9-1989 10.000 MT32292 1500.0 7.1600 4-10-1989 13.000 MT32293 1500.0 7.3600 17-10-1989 15.000 MT32294 1500.0 7.2000 1-11-1989 15.000 MT32295 1500.0 7.3400 16-11-1989 15.000 MT32296 1500.0 7.5100 1-12-1989 15.000 MT32297 1500.0 8.0800 16-12-1989 15.000 MT32298 1500.0 7.9700 31-12-1989 15.000 MT32299 1500.0 10.060 15-1-1990 15.000 MT32300 1500.0 6.4500 30-1-1990 15.000 MT32301 1500.0 7.6000 14-2-1990 15.000 MT32302 1500.0 6.2000 1-3-1990 11.000 MT32433 1500.0 8.4900 9-10-1990 27.000 MT32434 1500.0 9.6500 5-11-1990 30.000 MT32435 1500.0 9.6700 5-12-1990 30.000 MT32436 1500.0 10.390 4-1-1991 30.000 MT32437 1500.0 8.8800 3-2-1991 30.000 MT32438 1500.0 7.2300 5-3-1991 30.000 MT32439 1500.0 7.6300 4-4-1991 30.000 MT32440 1500.0 9.1600 4-5-1991 30.000 MT32441 1500.0 9.6400 3-6-1991 30.000 MT32442 1500.0 9.3500 3-7-1991 30.000 MT32443 1500.0 9.3100 2-8-1991 30.000 MT32444 1500.0 8.5400 1-9-1991 22.000 MT31600 1750.0 7.4300 28-9-1987 27.000 MT31601 1750.0 6.8500 25-10-1987 60.000 MT31602 1750.0 5.8100 24-12-1987 60.000 MT31603 1750.0 5.2600 22-2-1988 60.000 MT31604 1750.0 7.4600 22-4-1988 60.000 MT31605 1750.0 8.2700 21-6-1988 85.000 MT32309 1750.0 8.8600 24-9-1989 23.000 MT32445 1750.0 8.9600 28-9-1990 38.000 MT32486 1750.0 11.420 5-11-1990 60.000 MT32446 1750.0 8.9500 4-1-1991 60.000 MT32447 1750.0 7.2100 5-3-1991 60.000 MT32448 1750.0 10.020 4-5-1991 60.000 MT32449 1750.0 9.5600 3-7-1991 82.000 MT32170 2300.0 6.2800 19-9-1988 38.000 MT32171 2300.0 5.9200 27-10-1988 60.000 MT32173 2300.0 5.9600 24-2-1989 60.000 MT32174 2300.0 5.7400 25-4-1989 60.000 MT32175 2300.0 6.7200 24-6-1989 86.000 MT32315 2290.0 7.9200 24-9-1989 23.000 MT32316 2290.0 8.1200 17-10-1989 30.000 MT32317 2290.0 8.2900 16-11-1989 30.000 MT32318 2290.0 9.8200 16-12-1989 30.000 MT32172 2300.0 6.3600 26-12-1989 60.000 MT32319 2290.0 7.7200 15-1-1990 30.000 MT32320 2290.0 7.0300 14-2-1990 26.000 MT32456 2360.0 8.4800 28-9-1990 38.000 MT32457 2360.0 7.5900 5-11-1990 60.000 MT32458 2360.0 8.2700 4-1-1991 60.000 MT32459 2360.0 7.4700 5-3-1991 60.000 MT32460 2360.0 9.0700 4-5-1991 60.000