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******************************************************************************* |
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*** Historical CO2 Record from the Vostok Ice Core *** |
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*** *** |
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*** Source: J.M. Barnola *** |
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*** D. Raynaud *** |
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*** C. Lorius *** |
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*** Laboratoire de Glaciologie et de Geophysique de l'Environnement *** |
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*** 38402 Saint Martin d'Heres Cedex, France *** |
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*** *** |
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*** N. I. Barkov *** |
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*** Arctic and Antarctic Research Institute *** |
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*** Beringa Street 38 *** |
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*** St. Petersburg 199226, Russia *** |
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*** *** |
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*** January 2003 *** |
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******************************************************************************* |
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Mean |
|
Age of age of CO2 |
|
Depth the ice the air concentration |
|
(m) (yr BP) (yr BP) (ppmv) |
|
|
|
149.1 5679 2342 284.7 |
|
173.1 6828 3634 272.8 |
|
177.4 7043 3833 268.1 |
|
228.6 9523 6220 262.2 |
|
250.3 10579 7327 254.6 |
|
266 11334 8113 259.6 |
|
302.6 13449 10123 261.6 |
|
321.2 14538 11013 263.7 |
|
331.6 15208 11326 244.8 |
|
342.1 15922 11719 238.3 |
|
365.5 17747 13405 236.2 |
|
375.6 18580 13989 225.3 |
|
443.5 24315 17695 182.2 |
|
470.8 26578 19988 189.2 |
|
506.4 29630 22977 191.6 |
|
544.7 32844 26303 188.5 |
|
554.2 33645 27062 191.7 |
|
602.3 37421 31447 205.4 |
|
625.6 39310 33884 209.1 |
|
700.2 45242 39880 209.1 |
|
765 50610 44766 189.3 |
|
788.2 52446 47024 188.4 |
|
800 53436 48229 210.1 |
|
812.2 54474 49414 215.7 |
|
834.8 56300 51174 190.4 |
|
902.2 61783 57068 221.8 |
|
912 62689 57799 210.4 |
|
986.2 69618 63687 195.4 |
|
1011.3 71767 65701 191.4 |
|
1023.5 72797 66883 195 |
|
1087.2 78042 72849 227.4 |
|
1112.5 80057 75360 229.2 |
|
1162.1 83615 78995 217.1 |
|
1175 84515 80059 221.8 |
|
1209.9 86840 82858 231 |
|
1237.2 88808 84929 241.1 |
|
1251.5 89864 85727 236.4 |
|
1261.2 90609 86323 228.1 |
|
1274.2 91560 87180 214.2 |
|
1289.2 92632 88051 217 |
|
1309.2 94039 89363 208 |
|
1338.2 96047 91691 224.3 |
|
1349 96791 92460 228.4 |
|
1387.2 99498 95349 232.1 |
|
1451.5 103733 99842 225.9 |
|
1463.2 104566 100833 230.9 |
|
1476.1 105492 101829 236.9 |
|
1505 107599 103372 228.2 |
|
1526.3 109404 105213 236.9 |
|
1542.1 110674 106203 230.7 |
|
1575.2 113363 108308 238.2 |
|
1582.8 113952 108994 245.7 |
|
1598 115077 110253 251.3 |
|
1615 116228 111456 256.8 |
|
1627.9 117072 112577 266.3 |
|
1637.6 117671 113472 261.4 |
|
1644 118074 114082 274.6 |
|
1651 118499 114738 273.3 |
|
1669.2 119601 116175 262.5 |
|
1687.2 120680 117519 267.6 |
|
1700.9 121485 118396 273.8 |
|
1716 122345 119273 272 |
|
1726.8 122965 120002 265.2 |
|
1736.8 123535 120652 277.7 |
|
1758.2 124721 121961 272.2 |
|
1770 125380 122606 276.5 |
|
1789.2 126447 123815 268.7 |
|
1790 126491 123858 266.6 |
|
1799 126955 124306 266.3 |
|
1804 127210 124571 279.8 |
|
1807 127360 124723 273 |
|
1810 127510 124876 277.2 |
|
1825.7 128293 125746 273.8 |
|
1830 128501 126023 267.1 |
|
1836 128804 126475 262.5 |
|
1841.6 129097 126809 262.6 |
|
1852.4 129674 127445 275.4 |
|
1859 130026 127808 275.6 |
|
1869.3 130599 128300 274.1 |
|
1870.2 130653 128399 287.1 |
|
1875.9 130998 128652 286.8 |
|
1882.5 131406 129007 282.7 |
|
1890 131908 129411 264.1 |
|
1895 132264 129755 263.4 |
|
1902 132763 130106 257.9 |
|
1903.5 132873 130167 259 |
|
1919 134091 130992 264.6 |
|
1930 135107 131661 245 |
|
1932 135308 131789 240.4 |
|
1936 135702 132067 228.9 |
|
1947 136819 132818 223.5 |
|
1954.5 137601 133334 224 |
|
1955 137651 133366 220.3 |
|
1960 138193 133636 210.6 |
|
1969.8 139285 134205 208.9 |
|
1972 139530 134362 203.7 |
|
1980.2 140452 135003 204.6 |
|
1982 140655 135172 200.4 |
|
1983 140766 135271 198 |
|
1987.4 141257 135683 198.1 |
|
1990.6 141615 135976 201.8 |
|
1992 141773 136099 200.7 |
|
1994.6 142064 136359 202.5 |
|
1998 142440 136659 195.9 |
|
1999 142551 136743 201.1 |
|
2005.8 143315 137383 194.4 |
|
2009.5 143732 137694 193.4 |
|
2013 144126 137986 194.2 |
|
2015 144346 138226 190.2 |
|
2025.7 145527 139445 192.3 |
|
2029 145905 139851 196.5 |
|
2041 147236 141256 195.6 |
|
2041.5 147292 141312 196.5 |
|
2050.3 148287 142357 190.4 |
|
2077.5 151234 145435 197 |
|
2107.05 154557 149157 203 |
|
2116 155625 150303 191.9 |
|
2117 155743 150423 188.9 |
|
2131.1 157456 151854 200.6 |
|
2157 160293 154471 189 |
|
2164 161077 155299 185.5 |
|
2167.2 161451 155707 187.5 |
|
2203 165646 160494 204.4 |
|
2207.3 166193 161037 196.5 |
|
2225 168391 162996 191.6 |
|
2231.1 169094 163522 190.1 |
|
2240.1 170119 164341 186.7 |
|
2247 170922 165278 183.8 |
|
2254.1 171766 166299 196.5 |
|
2280 174920 169870 197.9 |
|
2302 177644 172596 197.8 |
|
2316.1 179474 174617 196 |
|
2325 180546 175440 190.3 |
|
2331.1 181265 176030 189.4 |
|
2333 181502 176271 190.1 |
|
2348 183525 178550 207.7 |
|
2363 185640 180779 213.2 |
|
2372 186927 181617 217.7 |
|
2379.2 187934 182447 198.1 |
|
2386 188892 183355 199.8 |
|
2399 190587 185063 203.5 |
|
2414 192382 187199 210.7 |
|
2425 193816 189335 231.4 |
|
2437 195298 191057 231.5 |
|
2442.1 195947 191592 220.3 |
|
2451 197086 192632 218 |
|
2470.3 199372 195123 226.5 |
|
2475 199904 195625 220.1 |
|
2488.1 201324 197567 226.4 |
|
2494.1 201968 198442 241.2 |
|
2499 202496 199025 242.6 |
|
2525 205458 202212 251 |
|
2533 206496 203191 239.1 |
|
2543 207803 204283 247.7 |
|
2552.01 208947 205148 244.4 |
|
2554.9 209307 205435 231.9 |
|
2557.71 209648 205715 232.2 |
|
2560.91 210053 206119 228.7 |
|
2564.9 210525 206672 226.3 |
|
2567.5 210837 207029 229.4 |
|
2570.4 211175 207412 231.4 |
|
2574.21 211628 207991 238.2 |
|
2575.5 211781 208177 237.2 |
|
2579.9 212295 208794 230 |
|
2581.9 212528 209073 240.5 |
|
2584.71 212846 209414 242.2 |
|
2588.81 213315 210022 244.6 |
|
2590.4 213500 210232 243.9 |
|
2595.11 214036 210830 247.3 |
|
2596.71 214219 211005 252 |
|
2600.4 214639 211476 246.9 |
|
2603.7 215012 211929 239.5 |
|
2606.61 215343 212281 257.4 |
|
2612.5 216014 213005 243.4 |
|
2621.71 217099 214153 251.2 |
|
2629.41 217989 215041 241.4 |
|
2634.41 218602 215593 240.3 |
|
2636.71 218908 215879 242.7 |
|
2640.41 219393 216459 247.5 |
|
2644.41 219935 217009 251.7 |
|
2646.61 220255 217271 251.2 |
|
2649.4 220680 217574 245.3 |
|
2650.41 220822 217676 245.4 |
|
2656.21 221718 218342 240.5 |
|
2666.7 223548 219679 214.1 |
|
2666.71 223548 219680 212.2 |
|
2669.4 224102 220042 216.1 |
|
2670.41 224240 220182 216.2 |
|
2674.6 224993 220758 203.7 |
|
2674.61 224993 220760 207.2 |
|
2677.41 225469 221054 208.9 |
|
2682.61 226339 221612 205.7 |
|
2691.01 227885 222958 203.4 |
|
2693.61 228349 223446 215.7 |
|
2698.01 229167 224630 236.9 |
|
2701.41 229802 225299 234.5 |
|
2702.71 230039 225509 233.1 |
|
2705.61 230547 225888 224.5 |
|
2711.71 231601 226710 232.4 |
|
2715.41 232206 227384 233.9 |
|
2717.71 232571 227840 241.7 |
|
2732.71 234795 230703 245.2 |
|
2735.71 235232 231382 252.1 |
|
2738.71 235652 231990 241.4 |
|
2741.71 236077 232570 247.4 |
|
2744.61 236467 233102 243.1 |
|
2747.61 236866 233646 239.2 |
|
2751.11 237301 234126 245.7 |
|
2753.61 237602 234470 245.9 |
|
2756.21 237889 234781 247.4 |
|
2759.11 238206 235213 252.9 |
|
2765.21 238908 236236 259.8 |
|
2768.2 239273 236851 263.2 |
|
2773.51 240006 237831 279 |
|
2776.5 240467 238199 280.3 |
|
2782.71 241535 238935 263.8 |
|
2785.51 242092 239250 252.4 |
|
2788.51 242675 239545 249.9 |
|
2791.5 243237 239866 236.7 |
|
2794.51 243813 240201 230.4 |
|
2797.51 244446 240577 219.4 |
|
2806.51 246379 242068 214.7 |
|
2815.61 248364 243653 200.2 |
|
2818.61 249046 244215 213.9 |
|
2821.51 249670 244863 195.4 |
|
2824.51 250309 245483 196.7 |
|
2827.5 250920 246090 195.4 |
|
2833.81 252279 247447 199 |
|
2836.51 252879 248087 201.9 |
|
2839.51 253559 248980 204 |
|
2845.51 254873 250461 203.9 |
|
2851.51 256182 251521 209.7 |
|
2854.4 256858 252174 205.7 |
|
2857.51 257604 252959 208.9 |
|
2860.51 258351 253880 214.7 |
|
2866.51 259882 255233 228.2 |
|
2870.51 260936 256053 199.9 |
|
2872.71 261526 256501 211.7 |
|
2876.21 262455 257247 188.7 |
|
2878.5 263067 257792 187.2 |
|
2881.42 263844 258477 194.2 |
|
2884.51 264666 259228 198.9 |
|
2887.51 265457 259958 184.7 |
|
2890.51 266255 260754 190.4 |
|
2893.51 267039 261595 193.9 |
|
2896.51 267825 262411 194.2 |
|
2899.51 268558 263207 198.4 |
|
2902.51 269307 264046 193.2 |
|
2905.51 270052 264834 202.2 |
|
2908.5 270770 265703 204.5 |
|
2911.46 271454 266492 211 |
|
2914.51 272171 267434 215.4 |
|
2919.41 273256 268679 223.7 |
|
2926.51 274802 270680 231.4 |
|
2932.5 276091 272275 228 |
|
2935.51 276731 273012 226.4 |
|
2939.3 277526 273910 231.4 |
|
2941.51 278017 274445 230.4 |
|
2944.51 278711 275218 231 |
|
2953.5 280944 277298 234.9 |
|
2956.51 281740 277925 220.4 |
|
2959.51 282539 278602 217.2 |
|
2964.51 283810 279543 207.7 |
|
2967.5 284656 280361 206 |
|
2970.5 285549 281200 206.7 |
|
2973.81 286475 282301 212.7 |
|
2979.51 288013 283492 213.2 |
|
2986 289826 285301 217.1 |
|
2988.61 290554 286217 224.4 |
|
2991.5 291328 287102 231 |
|
2994.51 292121 287846 236.2 |
|
2997.5 292855 288492 239 |
|
3000.4 293610 289433 236 |
|
3003.51 294495 290571 240.2 |
|
3007.01 295477 291769 240.7 |
|
3009.51 296158 292474 250.2 |
|
3012.5 296982 293002 248.6 |
|
3015.51 297810 293676 244.9 |
|
3018.51 298623 294615 225.9 |
|
3022.71 299716 295849 227.9 |
|
3024.9 300267 296380 226.2 |
|
3027.51 300928 297131 233.2 |
|
3030.41 301665 298051 237.9 |
|
3033.51 302452 299020 239 |
|
3036.51 303201 299877 241.9 |
|
3039.51 303939 300646 251.7 |
|
3042.51 304745 301496 256.8 |
|
3045.51 305612 302456 257.2 |
|
3048.56 306561 303334 246.9 |
|
3051.51 307464 303953 272.7 |
|
3054.51 308358 304590 251.7 |
|
3057.7 309281 305304 245.2 |
|
3057.71 309281 305306 244.7 |
|
3063.51 310905 307131 255.9 |
|
3066.51 311704 308101 249.2 |
|
3072.5 313292 310035 257.2 |
|
3072.51 313292 310039 256.3 |
|
3075.41 314032 310930 260.4 |
|
3078.51 314822 311774 260.3 |
|
3081.6 315592 312669 260.6 |
|
3084.51 316304 313493 266.3 |
|
3087.8 317108 314374 264 |
|
3090.51 317775 315143 266.2 |
|
3093.51 318509 315940 270.2 |
|
3096.46 319231 316681 271.9 |
|
3099.51 319978 317445 275.2 |
|
3105.51 321448 318980 265 |
|
3109.01 322216 319754 271.8 |
|
3111.51 322746 320378 272.7 |
|
3114.81 323441 321386 273.2 |
|
3117.51 324021 322111 282.4 |
|
3119.51 324461 322582 289.2 |
|
3120.61 324711 322827 288.4 |
|
3123.51 325400 323485 298.7 |
|
3126.51 326200 324189 278.2 |
|
3129.91 327237 324991 285.8 |
|
3132.41 328058 325527 278.7 |
|
3135.51 329135 326239 270.5 |
|
3138.51 330278 327114 255.7 |
|
3141.51 331513 328097 241.9 |
|
3145.01 333111 329267 239.7 |
|
3147.51 334356 330208 234.2 |
|
3153.51 337304 332293 250.2 |
|
3156.51 338770 333627 200.7 |
|
3159.51 340242 335290 205.2 |
|
3162.81 341849 336972 204.9 |
|
3165.5 343123 338282 211.9 |
|
3169.01 344844 340165 220.4 |
|
3174.51 347589 342998 221.2 |
|
3177.81 349298 344735 216.2 |
|
3180.5 350773 346105 209.5 |
|
3183.41 352377 347610 209.2 |
|
3189.51 355795 350765 193 |
|
3192.51 357450 352412 186.2 |
|
3195.81 359223 354372 185.8 |
|
3200.01 361445 356838 201.2 |
|
3204.71 363962 359688 206.4 |
|
3210.51 367048 362766 201.9 |
|
3213.7 368693 364499 200 |
|
3216.45 370095 366221 214.7 |
|
3219.5 371843 368117 224.6 |
|
3222.51 373629 369563 229.7 |
|
3228.91 377177 373014 227 |
|
3231.51 378469 374561 240 |
|
3234.5 380153 376758 239.1 |
|
3237.51 381834 378194 246.9 |
|
3240.51 383395 379633 245.9 |
|
3246.41 386788 383504 258.1 |
|
3249.51 388757 384909 264.7 |
|
3252.45 390641 386579 259.3 |
|
3258.51 394634 390589 255.2 |
|
3261.51 396423 392451 250.2 |
|
3264.51 398091 394628 266.3 |
|
3267.51 399733 396713 274.7 |
|
3270.6 401423 398554 277.1 |
|
3273.81 403173 400390 278 |
|
3283.51 408236 405844 279.7 |
|
3289.45 411202 409022 281.2 |
|
3289.45 411202 409022 283.7 |
|
3292.91 413010 410831 276.3 |
|
3299.01 416332 414085 285.5 |
|
3301.4 417638 415434 286.9 |
|
3304.4 419328 417160 277.6 |