| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Pechora River, Russia (PEC) | 10.71 | 1 |
| Northern Sweden (SWE) | 2.38 | 15 |
| Abisko, Sweden (ABK) | 2.21 | 12 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 1.27 | 3 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 0.66 | 1 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mekv/L) | 0.06 | 0.23 | 0.00 | 14 |
| ALK (mg/L CaCO3) | 3.79 | 14.15 | 0.12 | 14 |
| Ca (mg/L) | 0.80 | 5.20 | 0.00 | 15 |
| Ca (meq/L) | 0.06 | 0.26 | 0.02 | 20 |
| Cl (mg/L) | 0.82 | 2.87 | 0.00 | 15 |
| Cl (meq/L) | 0.04 | 0.08 | 0.02 | 20 |
| COND (uS/cm) | 1.60 | 3.95 | 0.02 | 21 |
| DO (mg/L) | 12.33 | 12.33 | 12.33 | 1 |
| DOC (mg/L) | 3.67 | 8.50 | 1.20 | 12 |
| K (mg/L) | 0.23 | 0.74 | 0.00 | 15 |
| K (meq/L) | 0.01 | 0.02 | 0.00 | 20 |
| Mg (mg/L) | 0.13 | 0.41 | 0.00 | 15 |
| Mg (meq/L) | 0.03 | 0.07 | 0.01 | 20 |
| Na (meq/L) | 0.04 | 0.07 | 0.02 | 20 |
| Na (mg/L) | 0.57 | 1.52 | 0.00 | 15 |
| pH | 6.43 | 7.60 | 5.30 | 27 |
| Si (mg/L) | 0.28 | 0.94 | 0.01 | 12 |
| SO4 (meq/L) | 0.03 | 0.08 | 0.01 | 20 |
| SO4 (mg/L) | 0.87 | 2.64 | 0.00 | 15 |
| TEMP (°C) | 13.09 | 15.40 | 10.00 | 20 |
| TOC (mg/L) | 4.48 | 10.20 | 0.60 | 20 |