CO2 Concentration data for 0-425 kyBP, with 600 ppm at 35 MyBP Time(My) CO2(ppm) .0016 383.5 .0024 385.8 .0032 385.8 .0040 376.2 .0048 370.0 .0054 376.9 .0062 375.6 .0070 373.1 .0078 382.0 .0086 384.2 .0096 357.6 .0104 349.4 .0112 337.3 .0118 332.1 .0128 309.3 .0136 302.5 .0148 277.3 .0160 269.0 .0170 243.1 .0176 237.1 .0184 233.2 .0188 238.8 .0195 236.2 .0205 246.1 .0217 242.4 .0225 248.0 .0237 246.2 .0248 249.8 .0258 249.2 .0266 254.7 .0278 259.9 .0287 262.8 .0297 267.0 .0307 265.7 .0317 270.9 .0324 262.4 .0335 265.3 .0343 262.8 .0351 268.9 .0363 263.6 .0376 271.2 .0384 269.7 .0394 274.6 .0404 274.3 .0411 275.4 .0419 271.4 .0430 273.5 .0442 275.4 .0454 276.6 .0465 277.4 .0475 277.4 .0483 277.8 .0491 274.7 .0499 269.7 .0507 279.2 .0513 281.3 .0519 285.5 .0528 293.0 .0534 296.4 .0542 286.7 .0552 285.1 .0560 291.2 .0570 282.2 .0581 274.7 .0591 279.5 .0605 283.0 .0619 277.1 .0627 277.3 .0635 282.3 .0643 272.4 .0651 271.7 .0661 272.8 .0674 282.7 .0689 289.9 .0703 300.1 .0715 307.4 .0729 307.0 .0740 303.7 .0750 305.0 .0766 312.9 .0778 320.0 .0786 332.2 .0794 333.9 .0806 331.0 .0812 332.5 .0820 327.0 .0832 312.4 .0846 315.7 .0856 319.5 .0868 315.1 .0879 312.0 .0887 312.7 .0895 317.6 .0903 316.4 .0911 314.6 .0922 321.9 .0932 337.7 .0942 331.2 .0951 332.9 .0961 338.7 .0969 337.5 .0979 328.6 .0988 334.9 .0997 334.1 .1009 337.5 .1019 342.7 .1027 344.5 .1038 337.7 .1052 339.5 .1062 333.5 .1072 327.0 .1088 323.2 .1100 328.7 .1110 326.6 .1120 337.5 .1130 344.5 .1137 350.5 .1145 355.4 .1155 347.9 .1165 341.4 .1175 355.5 .1184 364.7 .1192 368.1 .1199 388.5 .1205 405.4 .1215 395.1 .1224 398.2 .1236 406.3 .1245 384.1 .1255 361.9 .1263 352.6 .1276 340.3 .1286 305.4 .1298 304.9 .1310 292.8 .1324 271.6 .1334 250.5 .1344 248.4 .1354 247.0 .1368 240.8 .1378 247.3 .1386 250.0 .1396 249.5 .1404 249.1 .1410 254.6 .1418 254.9 .1426 255.7 .1433 253.6 .1441 257.8 .1449 251.0 .1457 249.1 .1465 250.5 .1472 252.1 .1480 239.7 .1486 243.3 .1492 249.4 .1500 250.5 .1508 254.6 .1516 259.3 .1526 261.9 .1536 265.9 .1544 265.0 .1554 266.4 .1563 269.4 .1573 268.9 .1581 263.5 .1591 261.2 .1599 264.0 .1610 268.3 .1618 271.5 .1629 272.8 .1639 282.9 .1651 279.4 .1660 279.3 .1668 282.0 .1677 278.5 .1687 280.0 .1695 288.8 .1704 287.7 .1712 288.1 .1720 287.7 .1730 286.1 .1740 284.7 .1748 287.0 .1757 280.7 .1769 283.8 .1778 281.5 .1788 281.0 .1802 277.4 .1818 283.3 .1830 281.5 .1840 288.4 .1853 289.8 .1863 298.1 .1873 310.0 .1881 329.0 .1891 328.8 .1900 333.0 .1912 339.0 .1922 353.4 .1932 353.4 .1941 362.6 .1949 365.1 .1955 365.9 .1965 355.8 .1974 348.6 .1983 350.1 .1991 350.4 .2001 359.9 .2008 355.2 .2017 355.6 .2027 356.0 .2037 358.9 .2049 351.9 .2060 349.8 .2075 353.1 .2089 347.4 .2107 350.1 .2123 345.7 .2139 349.8 .2150 350.8 .2164 352.9 .2176 349.6 .2184 346.3 .2192 337.6 .2202 325.4 .2209 304.7 .2217 294.3 .2225 292.2 .2235 279.1 .2242 276.8 .2253 286.1 .2261 286.1 .2271 287.7 .2279 300.5 .2292 318.6 .2300 319.6 .2308 317.1 .2320 309.5 .2333 316.4 .2341 315.0 .2349 318.4 .2361 330.8 .2368 349.0 .2377 358.0 .2385 351.4 .2397 361.2 .2407 355.8 .2415 352.1 .2423 335.9 .2431 332.1 .2438 313.2 .2447 298.7 .2457 285.8 .2465 279.6 .2473 274.6 .2481 269.5 .2490 270.5 .2498 267.0 .2506 268.0 .2514 267.0 .2522 271.4 .2529 270.8 .2536 274.1 .2544 276.0 .2552 275.6 .2561 275.1 .2569 282.5 .2577 287.0 .2585 283.3 .2593 282.8 .2602 284.2 .2609 296.7 .2615 296.0 .2623 289.0 .2631 288.6 .2638 293.1 .2644 274.3 .2652 269.7 .2658 278.5 .2666 277.4 .2675 274.8 .2683 277.9 .2693 274.8 .2703 272.2 .2712 279.3 .2719 285.8 .2729 296.2 .2737 299.5 .2745 301.8 .2756 305.1 .2766 310.8 .2776 306.8 .2789 314.9 .2803 318.8 .2815 323.9 .2827 317.5 .2841 324.1 .2850 319.8 .2860 322.4 .2872 324.5 .2886 326.8 .2896 320.2 .2910 317.7 .2922 312.3 .2934 301.8 .2944 297.1 .2953 295.1 .2963 290.5 .2975 287.6 .2983 286.9 .2995 290.3 .3008 287.4 .3018 296.7 .3028 307.3 .3039 311.0 .3052 315.3 .3062 323.0 .3075 332.9 .3089 343.3 .3101 345.8 .3115 348.9 .3131 346.9 .3142 343.7 .3154 337.7 .3170 350.5 .3180 337.5 .3188 344.1 .3200 353.5 .3212 354.3 .3221 357.4 .3231 379.4 .3245 381.7 .3257 378.9 .3267 385.1 .3280 378.2 .3294 371.2 .3306 376.5 .3318 373.7 .3330 362.5 .3340 353.2 .3353 345.4 .3367 330.8 .3379 317.4 .3390 299.8 .3400 286.2 .3409 268.2 .3417 275.6 .3425 270.1 .3432 274.3 .3442 269.9 .3450 277.6 .3458 261.3 .3468 262.5 .3478 268.9 .3487 270.2 .3497 269.4 .3507 266.2 .3515 268.9 .3524 265.0 .3533 272.8 .3541 268.2 .3547 277.8 .3553 276.6 .3560 281.0 .3564 274.7 .3572 285.5 .3580 287.6 .3588 288.7 .3594 283.0 .3604 287.6 .3610 291.6 .3618 289.8 .3628 294.2 .3638 295.2 .3646 293.2 .3652 289.8 .3658 286.6 .3664 289.4 .3670 294.2 .3675 297.7 .3686 292.8 .3696 299.3 .3704 296.6 .3715 294.8 .3728 297.2 .3737 302.4 .3747 298.4 .3759 299.3 .3772 299.7 .3782 301.9 .3794 303.0 .3806 308.3 .3818 310.3 .3826 313.7 .3839 316.3 .3851 316.6 .3863 318.7 .3873 327.0 .3885 331.6 .3896 332.4 .3906 336.8 .3918 342.8 .3932 344.1 .3945 348.4 .3957 356.7 .3967 358.3 .3974 363.1 .3982 367.4 .3991 377.5 .3997 380.8 .4005 396.7 .4014 398.8 .4022 399.5 .4029 394.2 .4037 400.6 .4046 394.6 .4051 385.3 .4058 375.9 .4065 377.5 .4073 363.2 .4081 359.2 .4089 365.6 .4095 362.4 .4103 365.3 .4109 370.7 .4114 343.0 .4120 344.9 .4131 351.9 .4139 320.4 .4151 293.4 .4162 325.6 .4174 313.7 .4182 286.2 .4189 291.3 .4194 314.4 .4204 306.3 .4212 310.9 .4220 326.5 .4230 340.5 .4242 315.2 .4250 292.6