| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) | 12.19 | 26 |
| Taimyr Peninsula, Russia (TAI) | 6.39 | 5 |
| Pechora River, Russia (PEC) | 4.76 | 7 |
| Lena River, Russia (LEN) | 4.39 | 9 |
| Northern Quebec (QUE) | 3.60 | 7 |
| Southampton Island, Nunavut, Canada (SI) | 2.69 | 31 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| Ag (ug/L) | 0.96 | 1.00 | 0.01 | 26 |
| Al (ug/L) | 76.35 | 580.00 | 10.00 | 26 |
| As (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| B (ug/L) | 0.70 | 0.70 | 0.70 | 1 |
| Ba (ug/L) | 14.68 | 35.80 | 1.72 | 26 |
| Be (ug/L) | 0.19 | 0.20 | 0.00 | 26 |
| Bi (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Ca (mg/L) | 14.46 | 29.30 | 4.30 | 26 |
| Cd (ug/L) | 1.00 | 2.00 | 0.00 | 26 |
| Cl (mg/L) | 15.35 | 61.50 | 3.65 | 26 |
| Co (ug/L) | 1.00 | 2.00 | 0.07 | 26 |
| COND (uS/cm) | 96.31 | 279.00 | 0.01 | 26 |
| Cr (ug/L) | 0.97 | 1.00 | 0.20 | 26 |
| Cu (ug/L) | 6.06 | 25.00 | 0.48 | 26 |
| DIC (mg/L) | 10.51 | 22.50 | 1.80 | 26 |
| DO (mg/L) | 13.70 | 13.70 | 13.70 | 1 |
| DOC (mg/L) | 7.32 | 13.70 | 1.10 | 26 |
| Fe (ug/L) | 639.28 | 7200.00 | 83.00 | 26 |
| Ga (ug/L) | 0.02 | 0.02 | 0.02 | 1 |
| K (mg/L) | 0.98 | 2.70 | 0.20 | 26 |
| La (ug/L) | 0.31 | 0.31 | 0.31 | 1 |
| Li (ug/L) | 3.82 | 12.00 | 0.20 | 26 |
| Mg (mg/L) | 4.49 | 12.10 | 0.52 | 26 |
| Mn (ug/L) | 13.09 | 119.00 | 1.10 | 26 |
| Mo (ug/L) | 0.96 | 1.00 | 0.01 | 26 |
| Na (mg/L) | 8.50 | 43.10 | 0.89 | 26 |
| NH3 (ug/L) | 38.52 | 122.00 | 5.00 | 25 |
| NH3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| Ni (ug/L) | 2.14 | 6.00 | 0.54 | 26 |
| NO2 (ug/L) | 1.00 | 2.00 | 0.00 | 26 |
| NO2 & NO3-F (mg/L) | 15.19 | 146.00 | 0.01 | 26 |
| Pb (ug/L) | 4.81 | 5.00 | 0.04 | 26 |
| pH | 7.89 | 8.60 | 6.34 | 26 |
| POC (ug/L) | 793.88 | 6140.00 | 382.00 | 25 |
| PON (ug/L) | 86.60 | 620.00 | 30.00 | 25 |
| Rb (ug/L) | 0.42 | 0.42 | 0.42 | 1 |
| Sb (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Se (ug/L) | 0.05 | 0.05 | 0.05 | 1 |
| SiO2 (mg/L) | 0.76 | 7.45 | 0.05 | 26 |
| SO4 (mg/L) | 8.63 | 38.40 | 0.60 | 26 |
| Sr (ug/L) | 47.99 | 126.00 | 1.77 | 26 |
| SRP-U (ug/L) | 961.54 | 3000.00 | 0.00 | 26 |
| TEMP (°C) | 6.51 | 9.50 | 3.64 | 26 |
| TKN-U (ug/L) | 546.24 | 1360.00 | 0.11 | 26 |
| Tl (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| TN (ug/L) | 661.28 | 1430.00 | 230.00 | 25 |
| TN-U (mg/L) | 0.19 | 0.19 | 0.19 | 1 |
| TP-F (ug/L) | 8.44 | 23.90 | 0.00 | 26 |
| TP-U (ug/L) | 13.72 | 77.90 | 0.00 | 26 |
| U (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| V (ug/L) | 0.97 | 1.00 | 0.17 | 26 |
| Zn (ug/L) | 1.99 | 7.00 | 0.83 | 26 |