Publication Sample-type Sample-ID Group-ID Sample Lat(DD) Long(DD) Elev(masl) Thickn(cm) Density(g/cm3) Shield 10Be-conc(at/g) 10Be-unc(at/g) 10Be-std 26Al-conc(at/g) 26Al-unc(at/g) 26Al-std Sampl-year Publ-10-age(yr) Publ-10-unc(yr) Publ-26-age(yr) Publ-26-unc(yr) 10Be-age(yr) 10-ext-unc(yr) 10-int-unc(yr) 26Al-age(yr) 26-ext-unc(yr) 26-int-unc(yr) Extra-publ Balter-Kennedy et al. (2021) bedrock Balt2021-1 Balt2021-A 18JAK-11 68.97466 -49.91886 386 2.7 2.65 1.00 36224 999 07KNSTD 0 0 0 2018 5780 160 - - 5578 377 154 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-2 Balt2021-A 18JAK-12 68.97466 -49.91900 390 1.89 2.65 1.00 28214 684 07KNSTD 0 0 0 2018 4450 110 - - 4282 284 104 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-3 Balt2021-B 18JAK-13 68.99172 -49.87301 395 1.55 2.65 1.00 47054 1128 07KNSTD 0 0 0 2018 7380 180 - - 7096 470 170 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-4 Balt2021-B 18JAK-14 68.99180 -49.87278 395 2.87 2.65 1.00 47073 1144 07KNSTD 0 0 0 2018 7470 180 - - 7175 476 175 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-5 Balt2021-C 18JAK-15 69.00587 -49.86563 352 1.44 2.65 1.00 25664 689 07KNSTD 0 0 0 2018 4190 110 - - 4012 270 108 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-6 Balt2021-C 18JAK-16 69.00563 -49.86617 352 2.57 2.65 1.00 5589 264 07KNSTD 0 0 0 2018 920 40 - - 840 65 40 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-7 Balt2021-D 18JAK-17 69.04403 -49.85186 274 2.25 2.65 1.00 20714 705 07KNSTD 0 0 0 2018 3680 130 - - 3488 246 119 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-8 Balt2021-D 18JAK-18 69.04472 -49.85297 270 1.39 2.65 1.00 26413 788 07KNSTD 0 0 0 2018 4690 140 - - 4490 308 134 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-9 Balt2021-E 18JAK-23 69.22916 -49.77471 52 1.66 2.65 1.00 3246 226 07KNSTD 0 0 0 2018 730 50 - - 652 61 45 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-10 Balt2021-E 18JAK-24 69.22922 -49.77479 52 2.7 2.65 1.00 3847 205 07KNSTD 0 0 0 2018 870 50 - - 777 63 41 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-11 Balt2021-F 18JAK-25 69.23076 -49.80937 91 1.58 2.65 1.00 17593 535 07KNSTD 0 0 0 2018 3770 120 - - 3529 243 107 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-12 Balt2021-F 18JAK-26 69.23449 -49.81002 125 2.3 2.65 1.00 24083 647 07KNSTD 0 0 0 2018 5010 140 - - 4765 321 128 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-13 Balt2021-F 18JAK-39 69.22944 -49.79363 50 1.62 2.65 1.00 32064 1402 07KNSTD 0 0 0 2018 7210 320 - - 6787 513 297 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-14 Balt2021-F 18JAK-40 69.22279 -49.79290 50 1.76 2.65 1.00 30685 823 07KNSTD 0 0 0 2018 6900 190 - - 6505 438 175 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-15 Balt2021-F 18JAK-CR1-SURFACE 69.23075 -49.80885 93 1.29 2.65 1.00 33420 978 07KNSTD 0 0 0 2018 7140 210 - - 6760 462 198 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-16 Balt2021-F 18JAK-CR2-SURFACE 69.23158 -49.81010 107 1.7 2.65 1.00 32702 798 07KNSTD 0 0 0 2018 6910 170 - - 6549 434 160 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-17 Balt2021-G 18JAK-27 69.24552 -49.87354 213 1.92 2.65 1.00 37212 940 07KNSTD 0 0 0 2018 7030 180 - - 6727 448 170 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-18 Balt2021-G 18JAK-28 69.24561 -49.87406 200 1.18 2.65 1.00 39303 1216 07KNSTD 0 0 0 2018 7490 230 - - 7139 493 221 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-19 Balt2021-H 18JAK-29 69.27506 -50.03196 196 1.98 2.65 1.00 38893 1168 07KNSTD 0 0 0 2018 7490 230 - - 7140 490 215 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-20 Balt2021-H 18JAK-30 69.27580 -50.03180 195 3.17 2.65 1.00 37979 922 07KNSTD 0 0 0 2018 7390 180 - - 7056 468 172 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-21 Balt2021-I 18JAK-33 69.11665 -49.68871 295 1.26 2.65 1.00 21516 580 07KNSTD 0 0 0 2018 3720 100 - - 3524 237 95 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-22 Balt2021-I 18JAK-34 69.11697 -49.68830 290 2.86 2.65 1.00 26988 710 07KNSTD 0 0 0 2018 4750 130 - - 4561 306 120 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-23 Balt2021-J 18JAK-35 69.12502 -49.65205 156 1.99 2.65 1.00 22245 677 07KNSTD 0 0 0 2018 4460 140 - - 4243 292 129 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-24 Balt2021-J 18JAK-36 69.12579 -49.65178 313 2.86 2.65 1.00 19954 530 07KNSTD 0 0 0 2018 3430 90 - - 3247 218 86 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-25 Balt2021-K 18JAK-37 69.23293 -49.92273 165 1.47 2.65 1.00 38321 1044 07KNSTD 0 0 0 2018 7600 210 - - 7216 487 197 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-26 Balt2021-K 18JAK-38 69.23322 -49.92235 165 3.2 2.65 1.00 37285 862 07KNSTD 0 0 0 2018 7500 170 - - 7131 470 165 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-27 Balt2021-L JAKS08-04 69.04763 -49.93932 290 1 2.65 1.00 41106 801 07KNSTD 0 0 0 2008 7120 140 - - 6833 442 133 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-28 Balt2021-M JAKS08-05 69.05807 -49.90892 325 1 2.65 1.00 42716 1154 07KNSTD 0 0 0 2008 7140 190 - - 6864 462 186 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-29 Balt2021-N JAKS08-12 69.07393 -49.88453 318 4 2.65 1.00 41081 871 07KNSTD 0 0 0 2008 7090 150 - - 6822 445 145 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-30 Balt2021-O 09GRO-19 68.96350 -49.95043 420 1.5 2.65 1.00 46965 968 07KNSTD 0 0 0 2009 7220 150 - - 6915 450 143 - - - - Balter-Kennedy et al. (2021) bedrock Balt2021-31 Balt2021-O 09GRO-20 68.96153 -49.95018 420 2.5 2.65 1.00 47062 885 07KNSTD 0 0 0 2009 7280 140 - - 6988 451 132 - - - - Reference: Balter-Kennedy A, Young NE, Briner JP, Graham BL, Schaefer JM, 2021. Centennial- and orbital-scale erosion beneath the Greenland ice sheet near Jakobshavn Isbræ. Journal of Geophysical Research: Earth Surface 126, e2021JF006429. Data comments: Sampling year based on sample names. Group ID based on sample location and geomorphology. expage.github.io - data from expage-202306