Baffin Island, Canada 2000 Year Ice Retreat 14C Data ----------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program ----------------------------------------------------------------------- NOTE: PLEASE CITE ORIGINAL REFERENCE WHEN USING THIS DATA!!!!! NAME OF DATA SET: Baffin Island, Canada 2000 Year Ice Retreat 14C Data LAST UPDATE: 6/2011 (Original receipt by WDC Paleo) CONTRIBUTORS: Anderson, R.K., G.H. Miller, J.P. Briner, N.A. Lifton, and S.B. DeVogel. IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2011-082 WDC PALEO CONTRIBUTION SERIES CITATION: Anderson, R.K., et al. 2011. Baffin Island, Canada 2000 Year Ice Retreat 14C Data. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2011-082. NOAA/NCDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Anderson, R.K., G.H. Miller, J.P. Briner, N.A. Lifton, and S.B. DeVogel. 2008. A millennial perspective on Arctic warming from 14C in quartz and plants emerging from beneath ice caps. Geophysical Research Letters, 35, L01502, doi:10.1029/2007GL032057. ABSTRACT: Observational records show that the area of ice caps on northern Baffin Island, Arctic Canada has diminished by more than 50% since 1958. Fifty 14C dates on dead vegetation emerging beneath receding ice margins document the persistence of some of these ice caps since at least 350 AD. In situ cosmogenic 14C in rock surfaces, and 14C in plant macrofossils from lake-sediment cores demonstrate that the plateau remained ice-free through the middle Holocene, but has supported ice caps for more than 2000 of the past 2800 years. The rapid disappearance of these ice caps over the past century, despite decreasing summer insolation, further demonstrates the unusual character of 20th Century warmth. Widespread ice-cap expansion ~1280 AD early in the Little Ice Age, and intensified expansion ~1450 AD, coincide with peak stratospheric volcanic aerosol loading and reduced solar luminosity, suggesting that these mechanisms may have initiated ice-cap growth, subsequently maintained by strong positive feedbacks. GEOGRAPHIC REGION: Baffin Island, Arctic Canada PERIOD OF RECORD: 2000 14CyrBP - present FUNDING SOURCES: US National Science Foundation Office of Polar Programs grant ARC-0454601, Geological Society of America student grant to (R.A.). DESCRIPTION: Radiocarbon (14C) dates on dead vegetation emerging beneath receding ice margins on Baffin Island, Arctic Canada. 14C dates range from ~200 to ~2000 years before present. Areas sampled lie between ~67°N and 72°N, and between 64°N and 83°W. DATA: Field ID Latitude°N Longitude°E Elev(m) Lab-ID Bulk/Filament 14Cage(yrs) 14CStdev(yrs) M09-B107v 71.04155 -74.66817 852 CURL-11410 F 225 20 05SRP-17 71.4950 -77.4788 780 CURL-9008 F 275 15 05SRP-59 71.4983 -77.5178 738 CURL-9011 F 315 15 M10-B032V 70.90233 -73.25257 1118 CURL-12300 F 310 20 M10-B204V 72.96828 -82.79733 872 CURL-12287 F 345 20 05TGR-19 71.4087 -78.7759 663 CURL-7862 B 355 20 05ORN-50 71.5246 -77.9691 797 CURL-7935 B 390 15 05SRP-39 71.5157 -77.4473 742 CURL-8996 B 400 15 M09-B120v 71.07193 -74.69194 778 CURL-11423 F 410 15 05PL-02 71.6006 -78.4621 767 CURL-7931 B 410 15 05ORN-57 71.5178 -77.9708 804 CURL-8989 B 435 15 05ORN-17 71.5661 -78.0919 815 CURL-8205 440 15 05SRP-57A 71.5443 -77.3263 900 CURL-7978 B 445 20 M81-BM6b 71.31811 -78.71281 660 GSC-5050 F 460 25 05SRP-47 71.5187 -77.3977 867 CURL-7939 B 450 15 05SRP-27 71.5067 -77.4880 748 CURL-7937 B 450 15 M09-B089v 71.01734 -74.81220 727 CURL-11418 F 450 20 M09-B090v 71.01851 -74.81720 727 CURL-11431 F 460 15 05SRP-16B 71.4754 -77.5130 797 CURL-8887 B 465 15 05SRP-52A 71.5234 -77.3551 874 CURL-7940 B 480 20 05SRP-24 71.4997 -77.4493 845 CURL-7936 B 480 15 05ORN-43 71.5395 -77.9732 781 CURL-8988 B 505 15 M10-B198V 73.19093 -82.32833 881 CURL-12292 F 510 15 05SRP-29 71.5094 -77.5082 696 CURL-7938 B 530 20 M09-B093v 71.05914 -74.72184 904 CURL-11426 F 550 20 05ORN-59 71.5178 -77.9708 804 CURL-9010 F 550 15 05SRP-58 71.5201 -77.3980 863 CURL-8991 B 560 15 M09-B041V 71.45258 -77.47724 766 CURL-11657 F 560 20 M09-B227v 71.79554 -76.60952 1066 CURL-11062 F 565 15 05SRP-56 71.5387 -77.3232 885 CURL-8995 B 565 15 05SRP-26 71.5013 -77.4567 833 CURL-8992 F 575 15 05ORN-54 71.5162 -77.9579 782 CURL-8994 F 575 15 05TGR-26 71.4064 -78.8285 738 CURL-8841 B 585 20 05SRP-52B 71.5234 -77.3551 874 CURL-7941 F 590 15 M10-B210V 72.2462 -79.12092 840 CURL-12299 F 590 15 05SRP-54 71.5346 -77.3356 880 CURL-8990 F 595 15 05ORN-56B 71.5151 -77.9663 793 CURL-8894 F 600 15 05TGR-01 71.3182 -78.7051 629 CURL-7928 B 600 15 05ORN-44 71.5389 -77.9720 778 CURL-7934 B 605 15 05ORN-20 71.5614 -78.0690 763 CURL-8881 B 605 15 M09-B142v 70.90735 -73.61873 998 CURL-11065 F 610 15 05SRP-61 71.4940 -77.5478 750 CURL-9012 F 610 15 05SRP-66 71.4879 -77.5524 774 CURL-8210 B 615 15 05PL-04 71.6006 -78.4621 767 CURL-8842 B 615 15 05TGR-09 71.3776 -78.7612 746 CURL-8997 B 620 15 05ORN-62 71.5268 -77.9949 818 CURL-9007 F 625 15 05TGR-27 71.4052 -78.8280 737 CURL-7863 B 645 20 M09-B125v 71.07460 -74.67576 680 CURL-11424 F 645 20 M09-B104v 71.06007 -74.71937 917 CURL-11429 F 655 15 05ORN-61 71.5208 -77.9856 799 CURL-9006 F 660 15 M09-B016V 71.51554 -76.53301 874 CURL-11662 F 665 20 M09-B108v 71.04024 -74.65705 829 CURL-11415 F 665 20 M10-B024V 70.84775 -73.4823 1007 CURL-12303 F 675 15 M09-B099v 71.06200 -74.71164 929 CURL-11411 F 680 20 05ORN-39 71.5417 -78.0066 868 CURL-8609 B 680 25 05ORN-13 71.5830 -78.1653 829 CURL-8204 B 685 15 M09-B059V 70.97187 -74.7337 696 CURL-11656 F 685 20 05TGR-13 71.3835 -78.7494 708 CURL-8201 B 690 15 M09-B100v 71.06192 -74.71189 928 CURL-11416 F 690 20 M09-B127v 71.07698 -74.67796 661 CURL-11434 F 715 15 05ORN-38 71.5429 -78.0248 892 CURL-8515 B 725 15 M10-B193V 73.2208 -81.98243 813 CURL-12283 F 755 20 M09-B140v 70.98071 -73.66206 1143 CURL-11060 F 765 15 05ORN-23 71.5544 -78.0637 790 CURL-7933 B 780 15 05ORN-09 71.5884 -78.1943 825 CURL-8608 B 880 25 M09-B141v 70.98064 -73.66207 1144 CURL-11064 F 915 15 M10-B167V 72.25617 -77.29832 1145 CURL-12290 F 930 20 05ORN-34 71.5430 -78.0268 894 CURL-8206 B 930 20 05ORN-10 71.5884 -78.1943 825 CURL-7932 B 940 15 M10-B174V 72.24443 -78.14567 1052 CURL-12310 F 1050 20 05SRP-11B 71.4681 -77.5474 824 CURL-8880 B 1105 15 05ORN-01B 71.5904 -78.2036 802 CURL-8607 B 1110 25 M09-B047V 71.09793 -75.42308 857 CURL-11654 F 1110 20 M09-B049V 71.10961 -75.01104 777 CURL-11684 F 1120 20 M09-B129v 71.06316 -74.70950 912 CURL-11433 F 1125 15 M09-B111v 71.04571 -74.66628 889 CURL-11428 F 1130 20 05ORN-03C 71.5907 -78.2032 803 CURL-8891 F 1135 15 M09-B135v 71.22973 -74.06956 1069 CURL-11070 F 1140 15 05SRP-10 71.4693 -77.5619 823 CURL-8207 B 1140 15 05ORN-03B 71.5907 -78.2032 803 CURL-8891 F 1140 15 M10-B138V 72.5485 -75.6755 513 CURL-12286 F 1140 15 M09-B027V 71.55878 -75.82415 883 CURL-11659 F 1135 20 M09-B133v 71.23002 -74.0703 1070 CURL-11069 F 1145 15 M10-B218V 72.45373 -77.38937 1058 CURL-12309 F 1145 15 M09-B029V 71.47162 -77.58091 819 CURL-11682 F 1145 20 M09-B021V 71.52432 -76.54352 837 CURL-11669 F 1150 20 M09-B032V 71.47068 -77.57427 821 CURL-11670 F 1150 20 05ORN-03A 71.5907 -78.2032 803 CURL-8202 B 1150 15 M10-B107V 72.68697 -76.72048 682 CURL-12284 F 1150 20 M09-B092v 71.03023 -74.75342 739 CURL-11417 F 1155 20 M09-B035V 71.46945 -77.55937 822 CURL-11675 F 1175 20 M09-B110v 71.05236 -74.64881 810 CURL-11419 F 1190 20 M09-B012V 71.45177 -76.60411 829 CURL-11663 F 1195 20 M10-B236v 67.39745 -64.51963 1202 UCIAMS-84676 F 1235 20 05ORN-01A 71.5904 -78.2036 802 CURL-8513 B 1330 15 05SRP-11 71.4681 -77.5474 824 CURL-8514 B 1440 15 M10-B238v 67.37049 -64.48151 1357 UCIAMS-84677 F 1550 20 M10-B253v 68.06198 -66.57181 701 UCIAMS-84685 F 1610 20 M10-B222v 67.62549 -65.00849 1105 UCIAMS-84668 F 1615 20 M10-B261v 67.99645 -66.39864 813 UCIAMS-84689 F 1630 20 M10-B100V 72.73762 -77.06405 1040 CURL-12288 F 1655 15 M10-B034V 70.98518 -73.1329 1275 CURL-12282 F 1655 20 M10-B235v 67.40457 -64.70231 1431 UCIAMS-84675 F 1660 20 M10-B244v 67.372 -64.18796 1025 UCIAMS-84679 F 1665 20 M10-B181V 72.08023 -77.31978 1153 CURL-12285 F 1680 20 M10-B187V 73.1961 -81.19247 1030 CURL-12311 F 1685 20 M09-B005V 71.4632 -76.94815 873 CURL-11672 F 1685 20 05SRP-09 71.4698 -77.5697 824 CURL-8888 F 1685 15 M10-B119V 72.55178 -76.93373 1159 CURL-12305 F 1690 20 M10-B126V 72.57488 -76.2123 626 CURL-12312 F 1710 20 M10-B130V 72.56325 -75.97677 633 CURL-12313 F 1715 20 M10-B159V 72.0654 -75.3909 1139 CURL-12289 F 1720 15 05SRP-08 71.4705 -77.5748 826 CURL-9001 F 1725 15 M10-B242v 67.42124 -64.31035 1019 UCIAMS-84678 F 1730 20 M10-B251v 68.18996 -66.41394 498 UCIAMS-84683 F 1790 20 M09-B113v 71.06696 -74.70941 900 CURL-11437 F 1860 15 M10-B246v 67.57266 -64.48836 1016 UCIAMS-84680 F 1985 25 M10-B229v 67.57321 -64.9758 1249 UCIAMS-84672 F 2000 20