Table 1 Geochemistry of groundwater in Mahomet aquifer wells
From: Functional microbial diversity explains groundwater chemistry in a pristine aquifer
Well | Temp. (°C) | pH | sp. Cond. (μS.cm-1) | [SO42-] (mM)a | [CH4]aq(μM)b | [H2]aq(nM)c | DIC (mM)d | DOC (mg.L-1)e |
|---|---|---|---|---|---|---|---|---|
High sulfate (HS) wells | ||||||||
Chm94B | 13.7 | 7.5 | 707 | 0.58 | < 0.2 | 25 | 7.8 | 2.2 |
Chm96A | 13.8 | 7.5 | 663 | 0.41 | 1 | 3 | 7.2 | 1.3 |
Frd94A | 14.2 | 7.5 | 760 | 0.98 | 2 | 3 | 7.4 | < 0.4 |
Iro95A | 14.3 | 7.5 | 943 | 1.50 | 1 | 60 | n/a | 3.3 |
Iro96A | 12.1 | 7.5 | 1254 | 4.23 | 1 | n/a | n/a | n/a |
Iro98B | 13.0 | 7.6 | 1277 | 4.68 | 3 | 10 | 6.6 | 43.0 |
Iro98D | 13.6 | 7.8 | 759 | 0.72 | 19 | 180 | 7.9 | 1.9 |
Ver94A | 14.4 | 7.5 | 1279 | 4.57 | 2 | n/a | 6.7 | 1.8 |
Ver94B | 13.7 | 7.3 | 1893 | 10.73 | 1 | 89 | 4.8 | 1.1 |
Low sulfate (LS) wells | ||||||||
Chm94A | 14.1 | 7.6 | 651 | 0.07 | 4 | n/a | 8.0 | 3.6 |
Chm95A | 14.0 | 7.6 | 649 | 0.14 | 8 | 4 | 7.7 | 2.1 |
Chm95B | 13.8 | 7.9 | 670 | 0.04 | 30 | 3 | 7.9 | 2.0 |
Chm95C | 13.7 | 7.7 | 601 | 0.11 | 3 | 20 | 6.6 | 0.5 |
Frd94B | 15.4 | 7.6 | 611 | 0.05 | 43 | 9 | 7.4 | < 0.4 |
Iro98C | 13.3 | 7.4 | 664 | 0.04 | 15 | 66 | 7.6 | 2.3 |
Ver94C | 13.6 | 7.7 | 616 | 0.23 | 3 | 46 | 7.4 | 1.1 |
Ver94D | 13.9 | 7.7 | 621 | 0.18 | 10 | n/a | 7.7 | 0.8 |
Negligible sulfate (NS) wells | ||||||||
AnderN | 14.8 | 7.6 | 617 | 0.02 | 91 | 144 | 6.6 | n/a |
AnderS | 15.1 | 7.1 | 860 | 0.02 | 1237 | 175 | 25.9 | n/a |
CardiS | 13.6 | 7.7 | 645 | 0.03 | 454 | 240 | 7.5 | n/a |
Chm95D | 14.0 | 7.8 | 625 | < 0.01 | 220 | 12 | 7.6 | 1.6 |
Chm98A | 13.7 | 7.7 | 714 | < 0.01 | 676 | 24 | 7.9 | 4.2 |
PklndE | 14.6 | 7.6 | 678 | 0.03 | 221 | 63 | 8.7 | n/a |
PklndW | 14.4 | 7.5 | 725 | 0.03 | 611 | 100 | 6.0 | n/a |
RailRd | 14.4 | 7.7 | 661 | 0.02 | 106 | 50 | 6.4 | n/a |