Table 1. Radiocarbon dates for Chesapeake Bay sediment cores for GRL paper "DOI: 10.1029/2007GL031318 Rapid Sea-level Rise and Ice-sheet Response to 8,200-year Climate Event by T. M. Cronin, P. R. Vogt, D. A. Willard, R. Thunell, J. Halka, M. Berke, J. Pohlman" Outlined cells indicate paired shell and plant or seed dates at about same horizon "1.1 Column ""lab #"", Radiocarbon lab numbers, 6-digit #s are Beta Analytic; - OS #s are National Ocean Sciences Accelerator Mass Spectrometer, Woods Hole Oceanographic Institution" "1.2. Column ""core"", Marion-Dufresne core number" "1.3 Column ""wdepth"", m, water depth at core site" "1.4 Column ""depth"", cm, core depth for radiocarbon sample " "1.5. Column ""lat"", degrees, minutes, latitude north" "1.6. Column ""long"", degrees, minutes, longitude west" "1.7. Column ""sample"", material dated" "1.8. Column ""_13C"", ä, carbon isotope value for dated sample, old carbon suspected when _13C is less than about 6 ä," "1.9 Column ""14Cage"", yrs, uncorrected conventional radiocarbon age (mod=modern)" "1.10 Column ""error"", yrs, lab counting error" "1.11 Column ""calageyrBP"", yrs, calibrated age, using Calib5.02 Program to convert radiocarbon to calibrated age (http://calib.qub.ac.uk/calib/) " "1.12 Column ""error_+"", yrs, maximum calibrated age using 2_ uncertainty" "1.13 Column ""error_-"", yrs, minimum calibrated age using 2_ uncertainty" "1.14 Column ""comment"", remarks about sample age" lab# core wdepth depth lat long sample _13C 14Cage error calageyrBP error_+ error_- comment OS-40785 MD03-2656 16.3 68.5 37 43.25 75 56.51 Mulinia lateralis 0 >mod OS-40780 MD03-2656 16.3 148-158 37 43.25 75 56.51 Mulinia lateralis -0.12 >mod OS-40848 MD03-2656 16.3 205 37 43.25 75 56.51 Mulinia lateralis - 0.25 > mod 211981 MD03-2656 16.3 482 37 43.25 75 56.51 plant material - 24.4 7210 40 8000 8110 7950 211982 MD03-2656 16.3 502 37 43.25 75 56.51 plant material - 24.6 7620 40 8400 8440 8360 211983 MD03-2656 16.3 528 37 43.25 75 56.51 wood -28.9 7870 40 8630 8770 8580 211984 MD03-2656 16.3 528 37 43.25 75 56.51 plant material - 14.2 7380 40 8180 8320 8140 intermed 13C 211985 MD03-2656 16.3 528 37 43.25 75 56.51 shell -1.7 7170 40 7640 7700 7570 211986 MD03-2656 16.3 549 37 43.25 75 56.51 plant material - 12.1 7410 40 8190 8340 8160 intermed 13C 211988 MD03-2656 16.3 549 37 43.25 75 56.51 shell -3.6 7520 40 7960 8040 7920 OS-40849 MD03-2656 16.3 578-584 37 43.25 75 56.51 gastropod - 3.52 7520 55 7958 8102 7854 194454 MD03-2656 16.3 578-582 37 43.25 75 56.51 plant material -18.6 7580 50 8380 8430 8330 intermed 13C 194455 MD03-2656 16.3 578-580 37 43.25 75 56.51 seed -27.1 7750 50 8530 8610 8410 OS-40850 MD03-2656 16.3 644 37 43.25 75 56.51 Mulinia lateralis - 2.91 7640 60 8103 8200 7953 194456 MD03-2656 16.3 642-646 37 43.25 75 56.51 plant material -26.3 8030 50 9000 9030 8740 194457 MD03-2656 16.3 642-646 37 43.25 75 56.51 seed -26.2 7380 50 8180 8330 8050 OS-40851 MD03-2656 16.3 684-688 37 43.25 75 56.51 Mulinia lateralis -1.84 7850 70 8325 8417 8158 194458 MD03-2656 16.3 684-690 37 43.25 75 56.51 plant material -24.9 8290 50 9290 9450 9120 OS-40852 MD03-2656 16.3 730 37 43.25 75 56.51 Mulinia lateralis - 1.44 8450 55 8935 9283 8808 194459 MD03-2656 16.3 728-734 37 43.25 75 56.51 plant material -26.3 8320 50 9360 9470 9140 180324 MD03-2656 16.3 790 37 43.25 75 56.51 Mulinia lateralis - 2.4 8400 40 8910 8990 8810 194460 MD03-2656 16.3 786-796 37 43.25 75 56.51 plant material -17.9 8300 50 9290 9460 9130 OS-40853 MD03-2656 16.3 851 37 43.25 75 56.51 Mulinia lateralis - 4.31 8630 60 9028 9737 8926 194461 MD03-2656 16.3 848-856 37 43.25 75 56.51 plant material -25.5 8260 50 9270 9420 9050 194462 MD03-2656 16.3 896-900 37 43.25 75 56.51 plant material -25.2 8690 50 9600 9860 9540 194463 MD03-2656 16.3 936-942 37 43.25 75 56.51 plant material -24.8 8690 50 9600 9860 9540 194464 MD03-2656 16.3 960-974 37 43.25 75 56.51 plant material -25.1 8580 50 9540 9580 9500 209342 MD03-2656 16.3 1120-1122 37 43.25 75 56.51 coarse residue pollen prep -25.7 9280 50 10490 10570 10260 209343 MD03-2656 16.3 1190-1192 37 43.25 75 56.51 coarse residue pollen prep -26.9 8030 50 9000 9030 8740 209344 MD03-2656 16.3 1280-1282 37 43.25 75 56.51 coarse residue pollen prep -27.9 9640 40 11110 11170 10770 209345 MD03-2656 16.3 1380-1382 37 43.25 75 56.51 coarse residue pollen prep -27.3 10010 50 11520 11670 11250 209340 MD03-2656 16.3 1440-1442 37 43.25 75 56.51 coarse residue pollen prep -27.6 10130 50 11690 12280 11430 209341 MD03-2656 16.3 1598-1600 37 43.25 75 56.51 coarse residue pollen prep -27.1 10100 40 11650 12100 11350 181987 MD03-2659 27 571 37 01.83 76 13.06 Mulinia lateralis - 3.3 8100 60 8560 8720 8405 reworked 181988 MD03-2659 27 610 37 01.83 76 13.06 Mulinia lateralis - 2.2 7200 50 7660 7745 7570 194465 MD03-2659 27 610-612 37 01.83 76 13.06 foraminifera -3 7060 50 7550 7620 7450 181989 MD03-2659 27 623 37 01.83 76 13.06 Natica pusilla - 1.6 4310 50 4415 4540 4295 burrowing 194466 MD03-2659 27 640-642 37 01.83 76 13.06 foraminifera -2 5770 40 6190 6270 6100 burrowing 194467 MD03-2659 27 660-662 37 01.83 76 13.06 shell -8.6 9090 50 10230 10270 10190 reworked or old carbon 194469 MD03-2659 27 823-825 37 01.83 76 13.06 shell -8.6 9210 50 10310 10520 10230 reworked or old carbon 181990 MD03-2659 27 983 37 01.83 76 13.06 Macoma ? -10.6 9430 50 10200 10305 9825 reworked or old carbon 180325 MD03-2661 25.5 370-372 38 53.21 76 23.89 Mulinia lateralis -1.4 1280 40 820 910 730 181991 MD03-2661 25.5 485 38 53.21 76 23.89 Mulinia lateralis - 1.5 1750 40 1290 1355 1235 191408 MD03-2661 25.5 574-576 38 53.21 76 23.89 Mulinia lateralis -1.4 1730 40 1280 1340 1220 181992 MD03-2661 25.5 597 38 53.21 76 23.89 Mulinia lateralis - 1.3 1740 40 1285 1345 1230 191409 MD03-2661 25.5 712-714 38 53.21 76 23.89 Mulinia lateralis -1.4 2000 40 1540 1670 1480 191410 MD03-2661 25.5 796-798 38 53.21 76 23.89 Mulinia lateralis -0.4 2140 40 1710 1820 1620 181993 MD03-2661 25.5 898 38 53.21 76 23.89 Mulinia lateralis - 1.8 2390 40 2000 2115 1915 181994 MD03-2661 25.5 1003 38 53.21 76 23.89 Mulinia lateralis - 1.5 2810 40 2565 2700 2400 191411 MD03-2661 25.5 1052-1054 38 53.21 76 23.89 Mulinia lateralis -0.4 2820 40 2600 2700 2430 180326 MD03-2661 25.5 1086-1089 38 53.21 76 23.89 Mulinia lateralis -0.6 3050 40 2790 2890 2740 215879 MD03-2661 25.5 1146-1148 38 53.21 76 23.89 seed na* 3420 40 3670 3820 3580 215880 MD03-2661 25.5 1150-1155 38 53.21 76 23.89 shell -1.2 3940 40 3910 4050 3820 191412 MD03-2661 25.5 1216-1218 38 53.21 76 23.89 Mulinia lateralis -0.7 5160 40 5560 5590 5450 191413 MD03-2661 25.5 1300-1302 38 53.21 76 23.89 Mulinia lateralis -0.3 5440 50 5840 5910 5690 191414 MD03-2661 25.5 1398-1400 38 53.21 76 23.89 Mulinia lateralis -0.7 5530 40 5910 5980 5850 191415 MD03-2661 25.5 1412-1414 38 53.21 76 23.89 Mulinia lateralis -0.2 5520 50 5900 5990 5770 191416 MD03-2661 25.5 1458-1460 38 53.21 76 23.89 Mulinia lateralis -0.6 5590 40 5950 6080 5900 180327 MD03-2661 25.5 1476 38 53.21 76 23.89 Mulinia lateralis -1 5600 40 5970 6090 5900 191417 MD03-2661 25.5 1614-1616 38 53.21 76 23.89 Mulinia lateralis -0.7 5820 40 6260 6300 6170 191418 MD03-2661 25.5 1670-1672 38 53.21 76 23.89 Mulinia lateralis -2.1 6580 40 7140 7200 6990 191419 MD03-2661 25.5 1730-1732 38 53.21 76 23.89 Mulinia lateralis -1.5 6720 50 7250 7330 7160 180328 MD03-2661 25.5 2028 38 53.21 76 23.89 Mulinia lateralis - 2.7 7210 40 7660 7740 7590 194474 MD03-2661 25.5 2030-2032 38 53.21 76 23.89 foraminifera -5.5 7160 40 7620 7680 7560 194470 MD03-2661 25.5 2064-2066 38 53.21 76 23.89 seeds -21.1 7140 50 7960 8020 7850 194471 MD03-2661 25.5 2070-2072A 38 53.21 76 23.89 shell -6.9 7890 50 8640 8980 8580 reworked or old carbon 194472 MD03-2661 25.5 2070-2074 38 53.21 76 23.89 foraminifera -3.9 6920 40 7420 7490 7360 depleted 13C 215882 MD03-2661 25.5 2072-2074 38 53.21 76 23.89 wood -27.1 10110 40 11670 12100 11430 transported 194473 MD03-2661 25.5 2106-2110 38 53.21 76 23.89 foraminifera -3.1 6920 40 7420 7490 7360 depleted 13C 191420 MD03-2661 25.5 2114-2116 38 53.21 76 23.89 Macoma balthica -6.2 7740 40 8180 8300 8120 reworked or old carbon 215884 MD03-2661 25.5 2140-2142 38 53.21 76 23.89 seed na* 8010 40 8990 9020 8740 non-marine 194475 MD03-2661 25.5 2330-2332B 38 53.21 76 23.89 unidentified shell -8.5 8310 40 9370 9450 9240 reworked or old carbon 181995 MD03-2661 25.5 2440-2442 38 53.21 76 23.89 wood -27.4 7960 100 8855 9050 8540 non-marine 194476 MD03-2663 37 310-314 38 21.50 76 19.25 plant material -26.3 9830 50 11210 11270 11170 194477 MD03-2663 37 420-424 38 21.50 76 19.25 plant material -27.3 9850 60 11220 11300 11170 181996 MD03-2663 37 1338-1340 38 21.50 76 19.25 freshwater mollusk -11.9 12670 70 15310 15605 14325 181997 MD03-2663 37 1352-1356 38 21.50 76 19.25 freshwater mollusk -12.7 12580 70 14630 15550 14265