/
| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Lena River, Russia (LEN) | 73.26 | 31 |
| Pechora River, Russia (PEC) | 73.01 | 27 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 66.77 | 58 |
| Northern Quebec (QUE) | 62.00 | 42 |
| Taimyr Peninsula, Russia (TAI) | 52.42 | 22 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 35.20 | 167 |
| Abisko, Sweden (ABK) | 35.06 | 41 |
| Northern Sweden (SWE) | 30.35 | 26 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 29.17 | 19 |
| Labrador, Canada (LAB) | 17.90 | 39 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 10.63 | 37.09 | 1.83 | 25 |
| ALK (mekv/L) | 0.17 | 0.61 | 0.03 | 25 |
| Ca (meq/L) | 0.16 | 1.03 | 0.04 | 57 |
| Ca (mg/L) | 2.04 | 13.50 | 0.00 | 45 |
| CHLa-C (ug/L) | 0.58 | 1.40 | 0.10 | 19 |
| CHLa-U (ug/L) | 0.89 | 1.80 | 0.40 | 19 |
| Cl (mg/L) | 0.79 | 4.80 | 0.00 | 45 |
| Cl (meq/L) | 0.03 | 0.07 | 0.01 | 57 |
| COND (uS/cm) | 5.89 | 100.00 | 0.00 | 81 |
| DIC (mg/L) | 1.44 | 12.10 | 0.10 | 19 |
| DIST (km) | 81.05 | 262.50 | -120.00 | 19 |
| DO (mg/L) | 13.14 | 14.00 | 12.30 | 5 |
| DOC (mg/L) | 3.70 | 13.40 | 0.20 | 60 |
| Fe (ug/L) | 50.83 | 210.00 | 7.50 | 19 |
| K (meq/L) | 0.01 | 0.05 | 0.00 | 57 |
| K (mg/L) | 0.38 | 1.95 | 0.00 | 45 |
| Mg (mg/L) | 0.36 | 2.33 | 0.00 | 26 |
| Mg (meq/L) | 0.05 | 0.19 | 0.01 | 57 |
| Mn (ug/L) | 3.84 | 26.00 | 0.10 | 19 |
| Na (meq/L) | 0.04 | 0.07 | 0.01 | 57 |
| Na (mg/L) | 0.64 | 4.66 | 0.00 | 45 |
| NH3 (ug/L) | 7.00 | 12.00 | 1.00 | 19 |
| NO2 (ug/L) | 1.95 | 3.00 | 1.00 | 19 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 19 |
| pH | 7.11 | 8.80 | 6.00 | 90 |
| PN (ug/L) | 65.47 | 102.00 | 29.00 | 19 |
| POC (ug/L) | 552.95 | 1080.00 | 354.00 | 19 |
| POC:PN | 9.13 | 18.21 | 3.79 | 19 |
| Si (mg/L) | 0.92 | 3.06 | 0.06 | 41 |
| SiO2 (mg/L) | 0.27 | 0.64 | 0.08 | 19 |
| SO4 (mg/L) | 1.11 | 3.46 | 0.00 | 45 |
| SO4 (meq/L) | 0.06 | 0.36 | 0.01 | 57 |
| SRP-U (ug/L) | 0.64 | 1.30 | 0.40 | 19 |
| TEMP (°C) | 10.87 | 17.50 | 2.40 | 76 |
| TKN-U (ug/L) | 174.74 | 352.00 | 32.00 | 19 |
| TN (ug/L) | 253.16 | 429.00 | 135.00 | 19 |
| TN:TP | 41.44 | 70.59 | 17.53 | 19 |
| TOC (mg/L) | 3.38 | 14.90 | 0.30 | 57 |
| TP-F (ug/L) | 4.50 | 9.20 | 1.80 | 19 |
| TP-U (ug/L) | 6.61 | 12.70 | 3.40 | 19 |
| ZOOPL (ug/L) | 1327.34 | 2120.75 | 367.56 | 17 |
