# Permafrost Brine Geochemistry in the Barrow Permafrost Tunnel # PI: Jody Deming # Co-PIs: Hajo Eicken & Go Iwahana # Version date (v1): 2022-02-16 ========================= Location Sample_ID Material Type Top Bottom Sample_date dD d18O d_excess pH Electric_conductivity Salinity Ca2_plus Mg2_plus K_plus Na_plus Cl_minus SO42_minus remarks ------------------------- East adit FloorE-B16 Brine nd floor floor 2016-08-11 -157 -23.1 28 8.2 14 40 189 998 137 11500 31200 10200 nd East adit FloorE-B18 Brine nd floor floor 2018-05-06 nd nd nd nd nd >120 nd nd nd nd nd nd nd East adit CBIA-B18 Brine IsB > 150 > 150 2018-05-05 -174 -19.4 -19 6.4 18 128 2300 5740 792 32700 88700 12900 nd East adit CB1or2-B06 Brine IsB nd nd 2006 -162 -19.6 -5 nd 120 nd nd nd nd nd nd nd Meyer et al. (2010) East adit CB1-B09 Brine IsB > 160 > 160 2009 -172 -21.0 -4 nd 121 nd 2050 8690 976 38900 69700 6300 Colangelo-Lillis et al. (2016) East adit CB1-B18 Brine IsB > 160 > 160 2018-05-05 -170 -20.0 -10 6.0 17 121 2290 5780 779 29300 82100 11800 nd East adit CB3-B09 Brine IsB nd nd 2009 -172 -21.4 -1 nd 121 nd 2160 8440 971 38900 70200 6300 Colangelo-Lillis et al. (2016) East adit G2-B18 Brine IsB > 137 > 137 2018-05-08 -175 -20.8 -9 6.3 17 115 2040 5550 805 31000 85000 11700 nd East adit CB4-B18 Brine IsB > 150 > 150 2018-05-03 -177 -24.6 19 6.8 19 138 2110 6190 895 31200 88300 12000 nd East adit CBIW-B17 Brine IiB 145 148 2017-05-09 -187 -24.5 9 7.0 >67 140 2700 6450 934 32500 91500 12000 nd East adit CBIW-B18 Brine IiB 145 148 2018-05-03 -193 -27.4 26 6.8 18 123 1430 5030 603 26700 64600 14000 nd East adit CBIW-I_average Massive ice Original massive ice 0 130 2009 -199 -25.8 7 nd nd nd 10 5 2 16 27 5 Colangelo-Lillis et al. (2016) East adit CB4-9 Frozen sediment Pore water 140 145 2017-05-08 -173 -22.8 9 8.6 3 5 nd nd nd nd 1070 243 nd East adit CB4-10 Frozen sediment Pore water 145 150 2017-05-08 -159 -20.5 5 8.5 4 5 nd nd nd nd 1390 283 nd East adit CB4-11 Frozen sediment Pore water 150 155 2017-05-08 -156 -19.5 0 8.1 10 20 257 600 280 5000 12000 1540 nd East adit CB4-12 Frozen sediment Pore water 155 165 2017-05-08 -150 -18.5 -2 8.1 11 40 610 1350 474 10200 26200 2730 nd West adit FloorW-B16_A Brine nd floor floor 2016-08-11 -154 -22.7 27 8.3 11 40 159 1110 130 12900 28500 11700 nd West adit FloorW-B16_B Brine nd floor floor 2016-08-11 -157 -20.5 7 8.4 13 30 157 864 108 9800 23600 11800 nd West adit FloorW-B16_C Brine nd floor floor 2016-08-11 -167 -24.1 26 7.8 17 120 1730 6430 766 27600 79700 13900 nd West adit GI-1-B18 Brine IsB > 52 > 52 2018-05-07 -182 -23.0 2 7.2 16 125 1710 6220 768 31600 80100 13700 nd West adit GI-2-B18 Brine IiB 3 5 2018-05-07 -177 -22.9 5 7.2 15 115 1430 5030 603 26700 64600 14000 nd West adit G6-I1 Massive ice Rain/snow contamination 31 60 2018-05-07 -111 -14.3 4 7.0 0 0 4 4 1 14 33 74 nd West adit G6-I2 Massive ice Rain/snow contamination 112 134 2018-05-07 -156 -20.5 9 7.8 2 0 37 27 17 192 440 223 nd BEO AB8-C_1 Frozen sediment Pore water 378 389 2017-05-10 -111 -14.2 3 6.8 14 6 296 296 78 1310 3800 1480 nd BEO AB8-C_2 Frozen sediment Pore water 389 400 2017-05-10 -124 -15.7 2 6.8 19 8 349 433 123 1730 5300 1530 nd Chukchi Sea SB Sea ice brine Brine 0 110 2018-05-09 -20 -6.0 28 nd nd 87 957 2840 841 19400 57700 11700 nd Chukchi Sea SI_average Sea ice Brackish 0 110 2018-05-09 9 0.7 3 nd nd 6 67 205 58 1470 3950 1000 nd