Site Sampling_Date Latitude Longitude Depth Discharge SPE_DOC_Recovery d13C_B6CA St_Dev_d13C_B6CA d13C_B5CA St_Dev_d13C_B5CA d13C_SPE_DOC St_Dev_d13C_SPE_DOC DOC DBC DBC_to_DOC B6CA B5CA B6CA_to_B5CA Salinity Temperature O2 Pacific Ocean 2018-04-17 22.45 -158.00 5 nd 40 -24.89 0.66 -22.26 0.97 -23.32 0.08 81 0.62 0.8 1.6 6.7 0.23 35.1 23.6 216 Pacific Ocean 2018-04-17 22.45 -158.00 110 nd 42 -27.23 0.46 -22.29 0.45 -23.52 0.08 76 0.63 0.8 1.6 6.8 0.24 35.2 22.5 216 Pacific Ocean 2018-04-17 22.45 -158.00 765 nd 48 -25.03 0.45 -22.29 0.45 -22.88 0.08 45 0.62 1.4 1.9 6.4 0.29 34.3 4.4 26 Pacific Ocean 2018-04-17 22.45 -158.00 1000 nd 49 -24.5 0.45 -21.86 0.45 -22.92 0.08 43 0.58 1.4 1.8 5.9 0.31 34.5 3.9 46 Pacific Ocean 2018-04-18 22.45 -158.00 3500 nd 50 -24.03 0.45 -22.77 0.73 -22.92 0.08 42 0.61 1.5 1.8 6.2 0.30 34.7 1.5 143 Atlantic Ocean 2019-04-08 31.67 -64.17 1 nd 48 -23.59 0.44 -22.93 0.72 -23.02 0.03 63 0.78 1.2 2.1 8.6 0.24 36.8 21.2 222 Atlantic Ocean 2019-04-08 31.67 -64.17 70 nd 51 -23.32 0.44 -22.89 0.72 -22.85 0.06 56 0.78 1.4 2.2 8.5 0.26 36.7 20.0 217 Atlantic Ocean 2019-04-08 31.67 -64.17 2000 nd 52 -22.87 0.79 -24.97 0.72 -22.33 0.04 44 0.75 1.7 2.3 7.8 0.30 35.0 3.7 260 Atlantic Ocean 2019-04-08 31.67 -64.17 3000 nd 52 -23.1 0.62 -23.67 1.09 -22.44 0.05 40 0.71 1.8 2.2 7.4 0.31 34.9 2.7 267 Amazon River 2018-04-20 -1.92 -55.53 nd nd 78 -31.77 0.45 -29.42 0.45 -30.17 0.08 331 25 7.6 140 332 0.42 0 nd nd Congo River 2011-08-19 -4.18 15.21 nd 23740 64 -30.27 0.44 -29.45 0.72 -29.38 0.08 540 37 6.8 234 473 0.49 0 nd nd Congo River 2011-10-24 -4.18 15.21 nd 43940 71 -30.52 0.44 -29.3 0.72 -29.34 0.08 886 69 7.8 465 950 0.49 0 nd nd Congo River 2011-11-30 -4.18 15.21 nd 54120 85 -30.98 0.44 -29.93 0.72 -29.44 0.08 1007 76 7.6 524 1047 0.50 0 nd nd Congo River 2012-02-01 -4.18 15.21 nd 41810 86 -30.47 0.44 -29.05 0.72 -29.29 0.08 729 59 8.2 398 800 0.50 0 nd nd Congo River 2012-04-20 -4.18 15.21 nd 32000 88 -30.06 0.44 -28.62 0.72 -29.13 0.08 545 46 8.4 295 602 0.49 0 nd nd Northern Dvina River 2013-10-24 64.55 40.51 nd 1610 64 -31.43 0.77 -30.53 0.69 -28.94 0.08 519 42 8.0 295 516 0.57 0 nd nd Northern Dvina River 2015-02-19 64.55 40.51 nd 637 69 -30.67 0.22 -29.16 0.30 -28.70 0.08 349 29 8.4 195 358 0.55 0 nd nd Northern Dvina River 2016-04-27 64.55 40.51 nd 9287 77 -31.61 0.17 -30.54 0.23 -29.26 0.08 1310 104 7.9 865 1335 0.65 0 nd nd Northern Dvina River 2016-05-17 64.55 40.51 nd 13380 71 -31.27 0.23 -30.16 0.42 -29.15 0.08 1303 115 8.9 1012 1452 0.70 0 nd nd Kolyma River 2015-08-30 68.75 161.29 nd nd 70 -30.01 0.45 -27.92 0.45 nd nd 327 20 6.2 112 260 0.43 0 nd nd Mississippi River 2016-02-23 29.82 -90.00 nd nd 61 -29.4 0.45 -27.7 0.45 -28.27 0.01 247 18 7.3 75 251 0.30 0 nd nd