/
| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Pechora River, Russia (PEC) | 15.34 | 23 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 12.75 | 127 |
| Labrador, Canada (LAB) | 8.80 | 32 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 7.77 | 13 |
| Northern Sweden (SWE) | 5.80 | 22 |
| Abisko, Sweden (ABK) | 4.69 | 16 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 4.64 | 20 |
| Northern Quebec (QUE) | 4.40 | 18 |
| Lena River, Russia (LEN) | 2.87 | 8 |
| Taimyr Peninsula, Russia (TAI) | 1.45 | 8 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 10.37 | 37.09 | 1.40 | 21 |
| ALK (mekv/L) | 0.17 | 0.61 | 0.02 | 21 |
| Ca (meq/L) | 0.16 | 0.47 | 0.04 | 27 |
| Ca (mg/L) | 2.19 | 13.50 | 0.00 | 35 |
| CHLa-C (ug/L) | 0.49 | 1.40 | 0.10 | 13 |
| CHLa-U (ug/L) | 0.80 | 1.80 | 0.40 | 13 |
| Cl (mg/L) | 0.75 | 4.80 | 0.00 | 35 |
| Cl (meq/L) | 0.02 | 0.07 | 0.01 | 27 |
| COND (uS/cm) | 7.02 | 100.00 | 0.00 | 45 |
| DIC (mg/L) | 1.87 | 12.10 | 0.20 | 13 |
| DIST (km) | 49.81 | 262.50 | -120.00 | 13 |
| DO (mg/L) | 13.14 | 14.00 | 12.30 | 5 |
| DOC (mg/L) | 5.06 | 13.40 | 1.30 | 29 |
| Fe (ug/L) | 43.95 | 178.00 | 17.00 | 13 |
| K (meq/L) | 0.01 | 0.04 | 0.00 | 27 |
| K (mg/L) | 0.38 | 1.95 | 0.00 | 35 |
| Mg (mg/L) | 0.26 | 1.41 | 0.00 | 22 |
| Mg (meq/L) | 0.05 | 0.12 | 0.01 | 27 |
| Mn (ug/L) | 4.51 | 26.00 | 0.10 | 13 |
| Na (meq/L) | 0.04 | 0.07 | 0.02 | 27 |
| Na (mg/L) | 0.63 | 4.66 | 0.00 | 35 |
| NH3 (ug/L) | 8.23 | 12.00 | 1.00 | 13 |
| NO2 (ug/L) | 1.85 | 3.00 | 1.00 | 13 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 13 |
| pH | 7.07 | 8.80 | 5.80 | 55 |
| PN (ug/L) | 65.31 | 104.00 | 29.00 | 13 |
| POC (ug/L) | 555.46 | 899.00 | 390.00 | 13 |
| POC:PN | 9.30 | 18.21 | 5.29 | 13 |
| Si (mg/L) | 1.51 | 3.02 | 0.70 | 16 |
| SiO2 (mg/L) | 0.31 | 0.64 | 0.08 | 13 |
| SO4 (mg/L) | 1.03 | 3.46 | 0.00 | 35 |
| SO4 (meq/L) | 0.05 | 0.22 | 0.01 | 27 |
| SRP-U (ug/L) | 0.66 | 1.30 | 0.40 | 13 |
| TEMP (°C) | 11.62 | 17.30 | 7.50 | 42 |
| TKN-U (ug/L) | 182.69 | 352.00 | 32.00 | 13 |
| TN (ug/L) | 260.85 | 425.00 | 135.00 | 13 |
| TN:TP | 41.86 | 67.22 | 17.53 | 13 |
| TOC (mg/L) | 5.00 | 14.90 | 0.60 | 27 |
| TP-F (ug/L) | 3.61 | 5.70 | 1.80 | 13 |
| TP-U (ug/L) | 6.71 | 9.70 | 3.60 | 13 |
| ZOOPL (ug/L) | 1287.27 | 2120.75 | 367.56 | 12 |
