RICE17 chronology Citation: James E. Lee, Edward J. Brook, Jeffrey P. Severinghaus, Thomas Blunier, Christo Buizert, T.J. Fudge, Howard Conway, Ed D. Waddington, Frédéric Parrenin, Dorthe Dahl-Jensen, Mai Winstrup, Paul Vallelonga, V. Gabriela Ciobanu, and Nancy Bertler: An 83,000 year old ice core from Roosevelt Island, Ross Sea, Antarctica, intended: Climate of the Past. File Updated: 20180530 Monte Carlo Analysis Updated: 20161215 Dynamic HL Analysis: 20160218 Delta-Age Sensitivity Analysis Updated: 20180507 All ages are in years before present (BP), with present set to calendar year 1950 C.E. Gas Age Uncertainty Type 1) Prior - Gas-age uncertainty is ~50% of length of feature 2) Monte Carlo Floating Control Point 3) Prior - Gas-age uncertainty is based upon sample resolution For questions on the use or construction of this chronology, please contact: James E. Lee Depth Gas_Age \sigma_Gas_Age Delta_Age \sigma_Delta_Age Ice_Age \sigma_Ice_Age Gas_age_type 48.570 -55 7 142 NaN 87 NaN 1 60.050 -21 19 146 NaN 125 NaN 2 89.715 97 27 145 NaN 243 NaN 2 117.386 260 24 148 55 407 60 2 143.806 389 39 153 59 542 71 2 169.114 603 46 154 52 757 69 2 193.388 746 40 159 54 904 67 2 216.670 906 38 158 58 1065 69 2 239.000 1144 70 160 59 1304 91 2 251.816 1245 48 163 59 1408 76 2 264.318 1382 44 165 55 1547 71 2 276.514 1548 49 163 61 1711 78 2 288.411 1694 50 164 55 1858 75 2 300.018 1832 59 166 57 1997 82 2 311.340 1997 66 164 59 2161 88 2 322.386 2154 75 168 55 2322 93 2 333.161 2340 75 167 56 2507 94 2 343.672 2479 94 172 58 2651 111 2 353.927 2675 86 172 57 2848 103 2 363.930 2915 95 168 57 3083 111 2 373.689 3055 84 171 57 3227 102 2 383.208 3274 104 169 57 3443 119 2 392.495 3391 77 167 55 3558 94 2 401.555 3571 69 169 55 3740 88 2 410.393 3745 63 168 55 3913 84 2 419.015 3880 48 167 55 4047 73 2 427.425 4005 60 169 52 4174 80 2 435.630 4165 60 169 58 4334 83 2 443.634 4373 66 169 53 4542 84 2 451.443 4505 65 172 53 4677 84 2 459.060 4675 77 172 51 4847 93 2 466.492 4863 98 176 54 5039 112 2 473.741 4975 66 176 56 5151 86 2 480.813 5090 50 176 55 5266 75 2 487.713 5220 52 176 57 5395 77 2 494.444 5392 47 176 57 5568 74 2 501.010 5498 65 175 55 5673 85 2 507.415 5628 87 183 57 5811 104 2 513.665 5854 46 180 58 6034 74 2 519.761 6026 52 180 58 6206 78 2 525.708 6195 60 178 58 6373 84 2 531.510 6369 81 175 55 6544 97 2 537.170 6466 65 177 57 6643 87 2 542.691 6623 75 177 53 6800 92 2 548.078 6784 81 178 54 6961 97 2 553.333 6938 78 177 55 7115 95 2 558.459 7034 67 179 58 7213 89 2 563.460 7118 105 178 55 7295 119 2 568.339 7220 139 179 57 7399 151 2 573.098 7400 109 177 54 7577 122 2 577.741 7528 125 179 58 7706 138 2 582.271 7717 89 177 56 7895 105 2 586.689 7951 34 174 58 8126 68 2 591.000 8141 29 174 58 8314 65 2 595.671 8269 34 171 58 8440 68 2 600.215 8429 38 168 58 8597 69 2 604.636 8537 55 167 58 8704 80 2 608.937 8672 72 163 57 8835 92 2 613.121 8766 114 162 61 8928 129 2 617.191 8852 175 163 54 9016 183 2 621.151 9012 170 162 56 9174 179 2 625.004 9204 136 161 54 9365 146 2 628.751 9527 66 161 54 9687 86 2 632.398 9767 123 160 54 9927 135 2 635.945 9893 88 161 55 10054 104 2 639.396 9970 37 160 56 10130 67 2 642.753 10094 51 158 58 10253 77 2 646.019 10305 31 156 54 10461 63 2 649.196 10473 52 154 53 10627 74 2 652.288 10572 37 153 51 10725 63 2 655.295 10733 41 151 52 10884 66 2 658.221 10848 49 151 50 10999 70 2 661.067 11012 37 149 49 11161 61 2 663.836 11187 18 146 50 11333 54 2 666.529 11366 19 143 47 11510 50 2 669.150 11592 32 143 43 11735 53 2 669.750 11656 31 144 50 11800 59 2 670.050 11693 14 145 49 11838 51 2 677.300 12756 63 307 63 13063 89 2 679.579 13460 96 301 61 13762 114 2 681.798 14356 107 238 51 14594 118 2 683.958 14846 93 183 37 15029 101 2 686.061 15279 155 191 41 15470 160 2 688.107 15842 130 197 44 16040 137 2 690.099 16166 166 215 48 16381 173 2 692.039 16567 265 247 63 16814 273 2 693.926 17276 175 287 98 17563 200 2 695.764 18239 307 302 134 18540 335 2 697.552 19024 480 307 151 19331 503 2 699.293 19570 458 314 137 19884 478 2 700.988 19970 357 321 140 20291 383 2 702.638 20471 335 309 115 20780 355 2 704.243 21300 317 295 123 21595 340 2 705.806 22096 317 276 129 22372 342 2 707.328 22691 192 287 99 22978 216 2 708.809 23442 143 290 73 23733 160 2 710.251 24430 162 329 79 24759 180 2 711.654 25305 205 353 90 25658 224 2 713.020 26456 222 340 77 26796 235 2 714.349 27216 237 329 71 27544 248 2 715.644 28234 272 315 67 28549 280 2 716.904 29145 301 298 60 29443 307 2 718.130 29859 226 304 62 30163 234 2 719.300 30660 100 308 62 30968 118 1 720.700 32150 574 300 63 32450 578 3 722.800 34780 699 263 53 35043 701 3 723.900 36750 1008 265 54 37015 1009 3 724.600 38370 1013 235 57 38605 1015 3 725.310 39530 417 257 55 39787 421 3 726.850 40332 367 230 50 40562 371 3 728.090 41643 592 208 50 41851 594 3 728.720 43544 1231 237 50 43781 1232 3 729.050 44562 1231 233 53 44795 1232 3 729.680 46100 1379 197 56 46297 1380 3 730.050 47620 1447 197 55 47817 1448 3 730.950 48420 636 230 54 48650 638 3 737.260 51570 1257 203 54 51773 1259 3 739.650 53115 657 186 53 53301 659 3 740.470 54595 1154 186 48 54781 1155 3 741.250 56885 1094 217 49 57102 1095 3 742.550 59100 1135 180 50 59280 1136 3 746.000 64600 NaN 254 NaN 64854 NaN 1 746.100 74000 181 198 NaN 74198 NaN 3 747.850 77300 226 89 NaN 77389 NaN 3 748.290 72000 85 189 NaN 72189 NaN 3 749.600 71000 273 182 NaN 71182 NaN 3 750.460 71500 181 277 NaN 71777 NaN 3 750.560 74200 184 126 NaN 74326 NaN 3 752.150 77700 1116 205 NaN 77905 NaN 3 752.950 83000 74 166 NaN 83166 NaN 3 753.750 88500 98 NaN NaN NaN NaN 3