/
| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Taimyr Peninsula, Russia (TAI) | 22.76 | 18 |
| Lena River, Russia (LEN) | 20.11 | 23 |
| Pechora River, Russia (PEC) | 12.31 | 25 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 9.00 | 32 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 8.22 | 137 |
| Northern Sweden (SWE) | 7.59 | 23 |
| Abisko, Sweden (ABK) | 6.86 | 52 |
| Labrador, Canada (LAB) | 6.60 | 9 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 6.40 | 18 |
| Northern Quebec (QUE) | 6.20 | 32 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 8.24 | 37.09 | 1.04 | 21 |
| ALK (mekv/L) | 0.14 | 0.61 | 0.02 | 21 |
| Ca (meq/L) | 0.11 | 0.47 | 0.02 | 66 |
| Ca (mg/L) | 1.72 | 13.50 | 0.00 | 41 |
| CHLa-C (ug/L) | 0.52 | 1.40 | 0.10 | 18 |
| CHLa-U (ug/L) | 0.87 | 1.80 | 0.40 | 18 |
| Cl (mg/L) | 0.71 | 4.80 | 0.00 | 41 |
| Cl (meq/L) | 0.03 | 0.10 | 0.01 | 66 |
| COND (uS/cm) | 4.83 | 100.00 | 0.00 | 89 |
| DIC (mg/L) | 1.39 | 12.10 | 0.10 | 18 |
| DIST (km) | 98.33 | 262.50 | -120.00 | 18 |
| DO (mg/L) | 13.14 | 14.00 | 12.30 | 5 |
| DOC (mg/L) | 3.43 | 13.40 | 0.20 | 70 |
| Fe (ug/L) | 32.87 | 134.00 | 10.00 | 19 |
| K (meq/L) | 0.01 | 0.04 | 0.00 | 66 |
| K (mg/L) | 0.37 | 1.95 | 0.00 | 41 |
| Mg (mg/L) | 0.19 | 0.70 | 0.00 | 23 |
| Mg (meq/L) | 0.04 | 0.17 | 0.01 | 66 |
| Mn (ug/L) | 2.95 | 26.00 | 0.10 | 18 |
| Na (meq/L) | 0.04 | 0.11 | 0.01 | 66 |
| Na (mg/L) | 0.59 | 4.66 | 0.00 | 41 |
| NH3 (ug/L) | 7.17 | 12.00 | 1.00 | 18 |
| NO2 (ug/L) | 1.72 | 3.00 | 1.00 | 18 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 18 |
| pH | 6.97 | 8.80 | 6.00 | 96 |
| PN (ug/L) | 66.78 | 104.00 | 29.00 | 18 |
| POC (ug/L) | 531.89 | 899.00 | 375.00 | 18 |
| POC:PN | 8.88 | 18.21 | 3.79 | 18 |
| Si (mg/L) | 0.86 | 3.06 | 0.06 | 52 |
| SiO2 (mg/L) | 0.27 | 0.64 | 0.08 | 18 |
| SO4 (mg/L) | 1.05 | 3.46 | 0.00 | 41 |
| SO4 (meq/L) | 0.04 | 0.28 | 0.01 | 66 |
| SRP-U (ug/L) | 0.59 | 1.30 | 0.40 | 18 |
| TEMP (°C) | 10.36 | 17.30 | 2.40 | 84 |
| TKN-U (ug/L) | 157.83 | 352.00 | 32.00 | 18 |
| TN (ug/L) | 237.33 | 425.00 | 135.00 | 18 |
| TN:TP | 42.67 | 70.59 | 17.53 | 18 |
| TOC (mg/L) | 3.44 | 14.90 | 0.30 | 66 |
| TP-F (ug/L) | 3.90 | 9.00 | 1.80 | 18 |
| TP-U (ug/L) | 6.03 | 9.70 | 3.40 | 18 |
| ZOOPL (ug/L) | 1297.78 | 2120.75 | 367.56 | 17 |
