# Southern Ocean Productivity Data Over the Past Million Years #----------------------------------------------------------------------- # World Data Center for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # NOTE: Please cite original publication, online resource and date accessed when using these data, # If there is no publication information, please cite investigator, title, online resource and date accessed. # # Description/Documentation lines begin with # # Data lines have no # # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/14238 # # Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/jaccard2013/jaccard2013-230Th-MAR.txt # # Archive: Paleoceanography #-------------------- # Contribution_Date # Date: 2013-05-02 #-------------------- # Title # Study_Name: Southern Ocean Productivity Data Over the Past Million Years #-------------------- # Investigators # Investigators: Jaccard, S.L.; Hayes, C.T.; Martinez-Garcia, A.; Hodell, D.A.; Anderson, R.F.; Sigman, D.M.; Haug, G.H. #-------------------- # Description_and_Notes # The stratigraphy is based on planktonic foraminifera d18O correlation to the EPICA Dome C ice core age scale assuming an in-phase relationship. # #-------------------- # Publication # Authors: Jaccard, S.L., Hayes, C.T., Martinez-Garcia, A., Hodell, D.A., Anderson, R.F., Sigman, D.M., Haug, G.H. # Published_Date_or_Year: 2013 # Published_Title: Two modes of change in Southern Ocean ocean productivity over the past million years # Journal_Name: Science # Volume: 339 # Issue: # Pages: 1419-1423 # DOI: 10.1126/science.1227545 # Abstract: Export of organic carbon from surface waters of the Antarctic Zone of the Southern Ocean # decreased during the last ice age, coinciding with declining atmospheric carbon dioxide (CO2) # concentrations, signaling reduced exchange of CO2 between the ocean interior and the # atmosphere. In contrast, in the Subantarctic Zone, export production increased into ice ages # coinciding with rising dust fluxes, thus suggesting iron fertilization of subantarctic phytoplankton. # Here, a new high-resolution productivity record from the Antarctic Zone is compiled with parallel # subantarctic data over the past million years. Together, they fit the view that the combination of these two # modes of Southern Ocean change determines the temporal structure of the glacial-interglacial # atmospheric CO2 record, including during the interval of "lukewarm" interglacials between # 450 and 800 thousand years ago. # #--------------------- # Site_Information # Site_Name: ODP1094 # Location: Southern Ocean # Country: # Northernmost_Latitude: -53.2 # Southernmost_Latitude: -53.2 # Easternmost_Longitude: 5.1 # Westernmost_Longitude: 5.1 # Elevation: -2850 #------------------ # Data_Collection # Core_Name: ODP1094-TN57-13-MAR # First_Year: 155020 # Last_Year: 1460 # Time_Unit: cal yr BP # Core_Length: # Notes: #------------------ # Variables # # variables format: one per line, shortname-tab-longname-tab-longname components (9 components: what,material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data) ## depth_m Depth,,,m,,,,,N ## age_calkaBP Age,,,kyr BP,,,,,N ## 230Thxs0 230Thorium,,dpm/g,,,corrected for detrital 230Th, ingrown 230Th, and decay of excess 230Th,,N ## opalMAR mass accumulation rate,opal,,g*cm-2*kyr-1,,,,,N ## carbMAR mass accumulation rate,calcium carbonate,,g*cm-2*kyr-1,,,,,N ## bioBaMAR mass accumulation rate,biogenic Barium,,mg*cm-2*kyr-1,,,,,N ## chlorMAR mass accumulation rate,chlorin,,µg*cm-2*kyr-1,,,,,N #----------------- # Data # Missing Value: -999 depth_m age_calkaBP 230Thxs0 opalMAR carbMAR bioBaMAR chlorMAR notes 0.5 1.46 1.4894 1.211 0.0097 1.618 -999 TN057-13PC Anderson et al., 09 0.75 2.18 1.7468 1.454 0.0054 1.902 -999 TN057-13PC Anderson et al., 09 0.97 2.75 1.789 1.441 0.0024 1.836 -999 TN057-13PC Anderson et al., 09 1.25 3.47 1.8223 1.462 0.0014 1.801 -999 TN057-13PC Anderson et al., 09 1.52 4.19 1.8359 1.485 0.0003 1.959 -999 TN057-13PC Anderson et al., 09 1.73 4.73 1.9674 1.624 0.0004 2.077 -999 TN057-13PC Anderson et al., 09 2.02 5.48 2.1402 1.860 0.0011 1.991 -999 TN057-13PC Anderson et al., 09 2.25 6.08 2.4128 1.982 0.0034 2.137 -999 TN057-13PC Anderson et al., 09 2.52 6.79 2.5837 2.259 0.0022 2.059 -999 TN057-13PC Anderson et al., 09 2.76 7.24 2.8467 2.492 0.0054 2.202 -999 TN057-13PC Anderson et al., 09 3.05 7.64 3.3015 2.730 0.0172 2.388 -999 TN057-13PC Anderson et al., 09 3.29 7.95 3.1087 2.614 0.0173 2.171 -999 TN057-13PC Anderson et al., 09 3.44 8.15 2.9651 2.519 0.0043 1.887 -999 TN057-13PC Anderson et al., 09 3.72 8.51 3.8518 3.261 0.0125 2.792 -999 TN057-13PC Anderson et al., 09 4.24 9.16 4.1757 3.611 0.0134 2.393 -999 TN057-13PC Anderson et al., 09 4.48 9.44 3.3336 2.840 0.0091 1.684 -999 TN057-13PC Anderson et al., 09 4.71 9.58 5.2973 4.600 0.0260 2.650 -999 TN057-13PC Anderson et al., 09 4.94 9.81 6.0372 5.100 0.0014 2.555 -999 TN057-13PC Anderson et al., 09 5.12 10.01 6.0224 5.462 0.0011 2.227 -999 TN057-13PC Anderson et al., 09 5.33 10.26 5.8419 4.941 0.0110 2.265 -999 TN057-13PC Anderson et al., 09 5.52 10.58 5.1484 4.452 0.0025 2.601 -999 TN057-13PC Anderson et al., 09 5.72 10.98 4.7998 4.079 0.0083 2.197 -999 TN057-13PC Anderson et al., 09 5.9 11.34 4.576 4.201 0.0009 1.514 -999 TN057-13PC Anderson et al., 09 6.08 11.65 5.5509 4.838 0.0044 2.735 -999 TN057-13PC Anderson et al., 09 6.28 12.05 5.4737 4.808 0.0207 2.432 -999 TN057-13PC Anderson et al., 09 6.48 12.36 5.5719 4.873 0.0026 1.924 -999 TN057-13PC Anderson et al., 09 6.68 12.79 4.509 3.960 0.0004 1.915 -999 TN057-13PC Anderson et al., 09 6.91 13.23 3.2113 2.863 0.0010 2.023 -999 TN057-13PC Anderson et al., 09 7.11 13.63 3.2656 2.730 0.0012 2.096 -999 TN057-13PC Anderson et al., 09 7.21 13.83 3.3271 2.855 0.0035 2.315 -999 TN057-13PC Anderson et al., 09 7.3 14.04 3.4389 2.990 0.0029 2.164 -999 TN057-13PC Anderson et al., 09 7.43 14.44 5.4969 4.963 0.0049 2.530 -999 TN057-13PC Anderson et al., 09 7.48 14.85 6.21 5.496 0.0102 2.464 -999 TN057-13PC Anderson et al., 09 7.54 15.36 4.7344 4.030 0.0263 2.204 -999 TN057-13PC Anderson et al., 09 7.59 15.77 4.5178 4.063 0.0253 2.099 -999 TN057-13PC Anderson et al., 09 7.63 16.11 2.6905 2.313 0.0033 1.462 -999 TN057-13PC Anderson et al., 09 7.7 16.70 1.7576 1.332 0.0006 1.528 -999 TN057-13PC Anderson et al., 09 7.75 17.16 1.3737 0.981 0.0010 1.317 -999 TN057-13PC Anderson et al., 09 7.8 17.60 1.0448 0.698 0.0004 1.220 -999 TN057-13PC Anderson et al., 09 7.85 17.98 1.0738 0.685 0.0005 1.150 -999 TN057-13PC Anderson et al., 09 7.89 18.32 1.08 0.677 0.0005 1.198 -999 TN057-13PC Anderson et al., 09 7.94 18.73 1.0776 0.662 0.0009 1.017 -999 TN057-13PC Anderson et al., 09 8.02 19.44 1.0297 0.580 0.0039 0.773 -999 TN057-13PC Anderson et al., 09 8.12 20.34 0.9781 0.471 0.0016 0.634 -999 TN057-13PC Anderson et al., 09 8.24 21.37 1.03 0.530 0.0002 0.692 -999 TN057-13PC Anderson et al., 09 8.35 22.32 1.1156 0.577 0.0046 0.694 -999 TN057-13PC Anderson et al., 09 8.46 23.27 1.2354 0.678 0.0007 0.775 -999 TN057-13PC Anderson et al., 09 8.55 24.03 1.3011 0.788 0.0008 0.874 -999 TN057-13PC Anderson et al., 09 8.65 24.87 1.3192 0.804 0.0016 0.873 -999 TN057-13PC Anderson et al., 09 8.75 25.73 1.21 0.749 0.0016 0.886 -999 TN057-13PC Anderson et al., 09 10.57 29.93 4.18 0.680 0.0029 0.863 4.367310386 ODP 1094 10.87 31.66 4.76 0.620 0.0005 0.829 2.340053948 ODP 1094 11.17 33.38 3.17 0.850 0.0028 0.999 4.165989501 ODP 1094 11.47 35.10 3.66 0.770 0.0002 0.942 5.140234421 ODP 1094 11.77 36.78 3.85 0.690 0.0072 0.890 3.850036011 ODP 1094 13.69 45.01 3.47 0.730 0.0019 0.766 2.637845411 ODP 1094 13.99 46.30 4.01 0.570 0.0020 0.845 2.419009039 ODP 1094 14.29 47.59 3.46 0.580 0.0129 0.962 2.166875273 ODP 1094 14.59 48.87 3.17 0.880 0.0164 1.172 2.362489398 ODP 1094 14.89 50.16 2.90 1.040 0.0584 1.487 3.704588372 ODP 1094 15.14 51.23 2.65 1.150 0.0143 1.487 3.829076832 ODP 1094 16.81 58.39 2.45 1.130 0.0222 1.290 4.600305955 ODP 1094 16.91 58.82 2.29 1.210 0.0410 1.561 3.72700561 ODP 1094 17.11 59.68 2.08 1.290 0.0154 1.703 3.69577037 ODP 1094 17.21 60.11 1.66 1.530 0.0042 1.949 7.456558661 ODP 1094 17.41 60.97 1.63 1.630 0.0000 1.732 8.791162171 ODP 1094 17.51 61.40 1.79 1.670 0.0070 1.785 4.498314164 ODP 1094 17.71 62.25 2.52 0.770 0.0075 1.084 2.03996642 ODP 1094 17.81 62.81 2.55 0.950 0.0177 1.250 2.941822685 ODP 1094 18.01 65.08 2.57 0.910 0.0011 1.270 2.826797653 ODP 1094 18.11 66.21 2.63 0.760 0.0007 1.156 3.441059597 ODP 1094 18.41 69.61 2.47 0.920 0.0071 1.191 3.013308115 ODP 1094 18.71 73.09 1.84 1.300 0.0130 1.753 5.908135036 ODP 1094 19.01 76.58 1.89 1.470 0.0265 1.816 3.807001376 ODP 1094 19.31 80.08 1.57 1.750 0.0027 2.092 6.235816965 ODP 1094 19.61 83.57 1.04 2.650 0.0042 2.711 17.98302807 ODP 1094 19.71 84.74 1.76 1.680 0.0072 1.623 -999 ODP 1094 19.91 87.07 1.58 1.810 0.0000 2.055 5.942381454 ODP 1094 20.21 90.56 1.68 1.590 0.0030 1.931 7.095997427 ODP 1094 20.37 92.42 1.38 1.970 0.0002 2.143 10.9964432 ODP 1094 20.67 95.92 0.88 2.350 0.0003 2.833 12.74321809 ODP 1094 20.97 99.41 1.12 2.310 0.0020 2.144 17.58872766 ODP 1094 21.27 102.91 0.72 3.480 0.0000 3.144 22.52679902 ODP 1094 21.57 106.40 0.70 3.510 0.0019 3.148 26.24253969 ODP 1094 21.87 109.90 0.64 3.500 0.0000 3.367 18.61346655 ODP 1094 22.17 113.39 0.51 4.100 0.0202 4.105 21.96733573 ODP 1094 22.22 113.97 0.53 4.190 0.0091 3.349 -999 ODP 1094 22.32 115.13 0.79 2.770 0.0021 2.444 17.52546181 ODP 1094 22.37 115.72 1.61 1.410 0.0057 1.195 -999 ODP 1094 22.47 116.89 0.65 3.480 0.0086 2.644 11.5398104 ODP 1094 22.52 117.46 0.61 3.410 0.0034 3.109 -999 ODP 1094 22.57 118.02 0.43 5.130 0.0000 4.226 23.96647136 ODP 1094 22.67 118.63 0.29 7.440 0.0003 5.887 32.22131659 ODP 1094 22.77 119.21 0.52 4.090 0.0020 2.945 15.61844058 ODP 1094 22.92 120.09 0.73 2.890 0.0000 2.182 18.14305149 ODP 1094 23.02 120.68 0.40 5.380 0.0139 4.192 -999 ODP 1094 23.07 120.97 0.87 2.490 0.0008 2.001 11.82967276 ODP 1094 23.12 121.27 0.42 4.880 0.0000 3.889 16.28480813 ODP 1094 23.22 121.85 0.53 4.080 0.0000 3.056 14.81863064 ODP 1094 23.32 122.44 0.68 3.020 0.0000 2.315 24.29693195 ODP 1094 23.42 123.02 0.59 3.430 0.0000 2.718 -999 ODP 1094 23.52 123.61 0.66 3.050 0.0000 2.447 21.21191618 ODP 1094 23.67 124.49 0.28 7.290 0.0000 5.542 29.58195452 ODP 1094 23.82 125.37 0.61 3.200 0.0325 2.369 -999 ODP 1094 23.87 125.66 0.83 2.410 0.0333 1.588 12.28478952 ODP 1094 23.91 125.90 0.43 4.450 0.0500 2.983 -999 ODP 1094 23.96 126.19 0.52 3.760 0.0717 2.563 -999 ODP 1094 24.01 126.48 0.50 3.780 0.0936 2.760 -999 ODP 1094 24.06 126.78 0.36 5.500 0.0468 3.983 -999 ODP 1094 24.11 127.07 0.58 3.120 0.1523 2.759 -999 ODP 1094 24.16 127.37 0.55 3.500 0.1040 2.661 16.14784515 ODP 1094 24.22 127.71 0.74 2.450 0.2462 2.086 -999 ODP 1094 24.23 127.77 0.56 3.380 0.2748 3.132 16.53408385 ODP 1094 24.26 127.95 0.72 2.410 0.2187 2.532 -999 ODP 1094 24.31 128.24 0.47 3.720 0.3942 3.538 -999 ODP 1094 24.36 128.54 0.44 3.930 0.3731 3.975 -999 ODP 1094 24.42 128.88 0.35 4.970 0.5757 4.963 -999 ODP 1094 24.51 129.41 0.51 3.250 0.7600 3.211 22.34224179 ODP 1094 24.53 129.53 0.21 8.840 0.3501 7.652 22.30462629 ODP 1094 24.56 129.71 0.20 8.650 0.8678 7.966 -999 ODP 1094 24.62 130.06 0.60 2.870 0.2658 2.757 9.733706655 ODP 1094 24.66 130.30 0.47 3.630 0.4317 3.475 -999 ODP 1094 24.71 130.56 0.51 3.550 0.2936 3.758 11.12730995 ODP 1094 24.76 130.66 0.38 4.580 0.4075 4.515 -999 ODP 1094 24.81 130.77 0.36 5.050 0.3351 4.447 9.308228781 ODP 1094 24.86 130.87 0.26 7.390 0.2760 6.623 51.31790119 ODP 1094 24.92 131.00 0.16 12.120 0.3276 9.614 68.40855535 ODP 1094 24.96 131.09 0.12 15.840 0.1456 11.456 95.04261213 ODP 1094 25.01 131.19 0.33 5.770 0.1217 3.823 33.39726057 ODP 1094 25.06 131.30 0.21 8.870 0.0705 6.015 61.40223401 ODP 1094 25.12 131.43 0.46 3.970 0.0501 2.635 32.47608939 ODP 1094 25.16 131.51 0.39 4.890 0.0535 2.943 47.93047067 ODP 1094 25.22 131.64 0.21 9.000 0.0269 5.396 71.55642982 ODP 1094 25.26 131.72 0.10 18.620 0.0476 12.216 131.6155574 ODP 1094 25.29 131.79 0.46 4.130 0.0194 2.596 -999 ODP 1094 25.36 131.93 0.27 7.040 0.0237 4.309 80.25513404 ODP 1094 25.42 132.06 0.45 4.290 0.0194 2.569 35.9530605 ODP 1094 25.46 132.14 0.33 5.380 0.0234 3.645 42.90090466 ODP 1094 25.52 132.27 0.36 4.930 0.0254 3.228 33.44946116 ODP 1094 25.54 132.31 0.45 4.300 0.0351 2.602 52.3783397 ODP 1094 25.59 132.42 0.46 3.850 0.0224 2.475 32.56205568 ODP 1094 25.67 132.58 0.31 5.810 0.0475 3.634 -999 ODP 1094 25.77 132.79 0.49 3.580 0.0213 2.219 53.12548938 ODP 1094 25.82 132.90 0.19 8.590 0.0556 5.647 91.60856009 ODP 1094 25.89 133.05 0.43 4.430 0.0074 2.590 26.45191753 ODP 1094 25.99 133.26 0.79 1.990 0.0036 1.538 19.32115006 ODP 1094 26.07 133.42 0.23 7.820 0.0444 5.395 101.8060775 ODP 1094 26.19 133.68 0.16 10.850 0.0172 7.959 83.79328059 ODP 1094 26.24 133.78 0.17 10.480 0.0269 7.975 -999 ODP 1094 26.32 133.95 0.18 9.690 0.0419 7.800 95.60320194 ODP 1094 26.36 134.04 0.33 5.400 0.0298 4.296 38.62975385 ODP 1094 26.42 134.17 1.01 1.640 0.0011 1.467 14.37689293 ODP 1094 26.49 134.31 1.00 1.550 0.0044 1.526 9.981547416 ODP 1094 26.51 134.36 1.04 1.320 0.0032 1.377 -999 ODP 1094 26.61 134.57 1.57 0.790 0.0009 1.101 5.134132057 ODP 1094 26.71 134.78 1.32 0.820 0.0005 1.161 6.372372285 ODP 1094 26.79 134.95 1.59 0.550 0.0016 0.827 5.526749991 ODP 1094 26.91 135.25 1.85 0.610 0.0012 0.731 6.374921609 ODP 1094 26.96 135.74 1.68 0.740 0.0019 0.766 5.660842965 ODP 1094 27.01 136.24 1.89 0.590 0.0007 0.706 2.963293869 ODP 1094 27.09 137.04 1.67 0.650 0.0007 0.707 6.4271521 ODP 1094 27.11 137.24 1.58 0.680 0.0005 0.750 -999 ODP 1094 27.16 137.74 1.96 0.510 0.0002 0.666 2.729118891 ODP 1094 27.21 138.24 1.91 0.570 0.0014 0.657 2.617662918 ODP 1094 27.39 140.04 1.50 0.580 0.0002 0.781 5.728935819 ODP 1094 27.69 143.03 1.77 0.500 0.0005 0.682 4.443375428 ODP 1094 27.99 146.03 1.60 0.390 0.0083 0.710 1.909119461 ODP 1094 28.29 149.03 1.27 0.710 0.0004 1.181 3.59154414 ODP 1094 28.59 152.02 1.53 0.560 0.0148 0.835 5.171365947 ODP 1094 28.89 155.02 1.26 0.710 0.0001 1.040 6.364026193 ODP 1094