/
| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Pechora River, Russia (PEC) | 42.03 | 16 |
| Southampton Island, Nunavut, Canada (SI) | 29.69 | 79 |
| Northern Quebec (QUE) | 23.70 | 54 |
| Lena River, Russia (LEN) | 18.58 | 14 |
| Labrador, Canada (LAB) | 11.50 | 55 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 8.70 | 242 |
| Taimyr Peninsula, Russia (TAI) | 8.18 | 13 |
| Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) | 6.80 | 14 |
| Bylot Island, Nunavut, Canada. (BYL) | 6.00 | 143 |
| Northern Sweden (SWE) | 5.07 | 35 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 2.31 | 10 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| Ag (ug/L) | 0.88 | 1.00 | 0.00 | 16 |
| Al (ug/L) | 67.86 | 580.00 | 10.00 | 16 |
| ALK (mg/L CaCO3) | 7.31 | 37.09 | 0.12 | 33 |
| ALK (mekv/L) | 0.12 | 0.61 | 0.00 | 33 |
| As (ug/L) | 0.01 | 0.01 | 0.01 | 2 |
| B (ug/L) | 1.30 | 1.90 | 0.70 | 2 |
| Ba (ug/L) | 9.86 | 26.00 | 1.72 | 16 |
| Be (ug/L) | 0.18 | 0.20 | 0.00 | 16 |
| Bi (ug/L) | 0.00 | 0.00 | 0.00 | 2 |
| Ca (mg/L) | 3.62 | 17.70 | 0.00 | 54 |
| Ca (meq/L) | 0.12 | 0.47 | 0.03 | 22 |
| Cd (ug/L) | 0.94 | 2.00 | 0.00 | 16 |
| CHLa-C (ug/L) | 0.73 | 1.50 | 0.30 | 3 |
| CHLa-U (ug/L) | 1.57 | 3.30 | 0.60 | 3 |
| Cl (meq/L) | 0.04 | 0.08 | 0.01 | 22 |
| Cl (mg/L) | 3.66 | 20.50 | 0.00 | 54 |
| Co (ug/L) | 0.94 | 2.00 | 0.01 | 16 |
| COND (uS/cm) | 21.44 | 89.00 | 0.01 | 47 |
| Cr (ug/L) | 0.89 | 1.00 | 0.09 | 16 |
| Cu (ug/L) | 4.64 | 8.00 | 0.48 | 16 |
| DIC (mg/L) | 5.89 | 10.20 | 1.80 | 19 |
| DO (mg/L) | 11.40 | 14.20 | 1.80 | 11 |
| DOC (mg/L) | 5.75 | 13.50 | 1.10 | 19 |
| Fe (ug/L) | 656.05 | 7200.00 | 10.00 | 17 |
| Ga (ug/L) | 0.01 | 0.02 | 0.00 | 2 |
| K (mg/L) | 0.45 | 2.40 | 0.00 | 54 |
| K (meq/L) | 0.01 | 0.04 | 0.00 | 22 |
| La (ug/L) | 0.34 | 0.36 | 0.31 | 2 |
| Li (ug/L) | 2.59 | 11.00 | 0.20 | 16 |
| Mg (meq/L) | 0.03 | 0.12 | 0.01 | 22 |
| Mg (mg/L) | 1.16 | 6.30 | 0.00 | 54 |
| Mn (ug/L) | 12.78 | 119.00 | 0.99 | 16 |
| Mo (ug/L) | 0.88 | 1.00 | 0.01 | 16 |
| Na (mg/L) | 1.61 | 8.90 | 0.00 | 51 |
| Na (meq/L) | 0.43 | 6.08 | 0.01 | 25 |
| NH3 (ug/L) | 32.36 | 71.00 | 10.00 | 14 |
| NH3-F (mg/L) | 0.02 | 0.08 | 0.01 | 5 |
| Ni (ug/L) | 2.11 | 6.00 | 0.54 | 16 |
| NO2 (ug/L) | 0.94 | 2.00 | 0.00 | 16 |
| NO2-F (ug/L) | 2.67 | 4.00 | 1.00 | 3 |
| NO2 & NO3-F (mg/L) | 14.53 | 146.00 | 0.01 | 19 |
| Pb (ug/L) | 4.38 | 5.00 | 0.01 | 16 |
| pH | 6.86 | 8.00 | 5.30 | 58 |
| POC (ug/L) | 914.64 | 6140.00 | 382.00 | 14 |
| PON (ug/L) | 96.71 | 620.00 | 43.00 | 14 |
| Rb (ug/L) | 0.58 | 0.74 | 0.42 | 2 |
| Sb (ug/L) | 0.00 | 0.00 | 0.00 | 2 |
| Se (ug/L) | 0.05 | 0.05 | 0.05 | 2 |
| SiO2 (mg/L) | 0.94 | 7.45 | 0.04 | 19 |
| SO4 (mg/L) | 1.98 | 14.80 | 0.00 | 54 |
| SO4 (meq/L) | 0.04 | 0.07 | 0.02 | 22 |
| Sr (ug/L) | 22.55 | 40.00 | 1.77 | 16 |
| SRP-U (ug/L) | 775.00 | 3000.00 | 0.00 | 16 |
| TEMP (°C) | 10.19 | 17.30 | 3.64 | 39 |
| TKN-F (ug/L) | 674.00 | 1330.00 | 93.00 | 3 |
| TKN-U (ug/L) | 380.89 | 774.00 | 0.09 | 16 |
| Tl (ug/L) | 0.00 | 0.00 | 0.00 | 2 |
| TN (ug/L) | 542.43 | 1394.00 | 206.00 | 14 |
| TN-U (mg/L) | 0.19 | 0.19 | 0.19 | 1 |
| TOC (mg/L) | 3.20 | 6.20 | 0.30 | 22 |
| TP-F (ug/L) | 7.84 | 23.90 | 0.00 | 19 |
| TP-U (ug/L) | 14.62 | 77.90 | 0.00 | 19 |
| U (ug/L) | 0.05 | 0.10 | 0.01 | 2 |
| V (ug/L) | 0.89 | 1.00 | 0.08 | 16 |
| Zn (ug/L) | 1.67 | 7.00 | 0.81 | 16 |
