/
| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Taimyr Peninsula, Russia (TAI) | 48.52 | 21 |
| Pechora River, Russia (PEC) | 42.12 | 25 |
| Abisko, Sweden (ABK) | 36.11 | 32 |
| Bylot Island, Nunavut, Canada. (BYL) | 25.84 | 51 |
| Northern Quebec (QUE) | 25.80 | 30 |
| Northern Sweden (SWE) | 23.97 | 33 |
| Labrador, Canada (LAB) | 23.10 | 24 |
| Lena River, Russia (LEN) | 15.89 | 18 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 14.15 | 10 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 12.62 | 27 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 0.87 | 5 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mekv/L) | 0.17 | 0.61 | 0.03 | 32 |
| ALK (mg/L CaCO3) | 10.45 | 37.09 | 1.65 | 32 |
| Ca (mg/L) | 2.11 | 9.38 | 0.00 | 39 |
| Ca (meq/L) | 0.15 | 1.03 | 0.02 | 54 |
| CHLa-C (ug/L) | 0.47 | 0.80 | 0.20 | 6 |
| CHLa-U (ug/L) | 0.73 | 1.00 | 0.40 | 6 |
| Cl (mg/L) | 0.86 | 3.18 | 0.00 | 39 |
| Cl (meq/L) | 0.03 | 0.07 | 0.01 | 54 |
| COND (uS/cm) | 3.76 | 30.00 | 0.00 | 63 |
| DIC (mg/L) | 1.42 | 3.50 | 0.20 | 6 |
| DIST (km) | 34.00 | 195.00 | -55.00 | 5 |
| DO (mg/L) | 10.42 | 14.00 | 1.80 | 4 |
| DOC (mg/L) | 3.19 | 13.40 | 0.20 | 38 |
| Fe (ug/L) | 53.90 | 134.00 | 17.50 | 5 |
| K (meq/L) | 0.01 | 0.05 | 0.00 | 54 |
| K (mg/L) | 0.34 | 1.37 | 0.00 | 39 |
| Mg (mg/L) | 0.43 | 2.39 | 0.00 | 34 |
| Mg (meq/L) | 0.05 | 0.20 | 0.01 | 54 |
| Mn (ug/L) | 2.04 | 4.00 | 0.10 | 5 |
| Na (mg/L) | 0.62 | 1.59 | 0.00 | 38 |
| Na (meq/L) | 0.07 | 1.52 | 0.01 | 55 |
| NH3 (ug/L) | 8.20 | 12.00 | 6.00 | 5 |
| NH3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| NO2 (ug/L) | 1.60 | 3.00 | 1.00 | 5 |
| NO2-F (ug/L) | 1.00 | 1.00 | 1.00 | 1 |
| NO2 & NO3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 5 |
| pH | 6.93 | 8.70 | 6.10 | 73 |
| PN (ug/L) | 62.60 | 73.00 | 52.00 | 5 |
| POC (ug/L) | 586.00 | 899.00 | 390.00 | 5 |
| POC:PN | 9.29 | 13.03 | 6.72 | 5 |
| Si (mg/L) | 0.87 | 3.06 | 0.06 | 32 |
| SiO2 (mg/L) | 0.36 | 0.63 | 0.13 | 6 |
| SO4 (meq/L) | 0.05 | 0.36 | 0.01 | 54 |
| SO4 (mg/L) | 1.29 | 3.46 | 0.00 | 39 |
| SRP-U (ug/L) | 0.72 | 1.30 | 0.50 | 5 |
| TEMP (°C) | 11.50 | 17.50 | 6.20 | 58 |
| TKN-F (ug/L) | 93.00 | 93.00 | 93.00 | 1 |
| TKN-U (ug/L) | 174.00 | 183.00 | 160.00 | 5 |
| TN (ug/L) | 249.20 | 264.00 | 233.00 | 5 |
| TN:TP | 51.17 | 67.22 | 31.92 | 5 |
| TOC (mg/L) | 3.03 | 14.90 | 0.30 | 54 |
| TP-F (ug/L) | 2.87 | 4.00 | 2.30 | 6 |
| TP-U (ug/L) | 5.50 | 7.30 | 3.60 | 6 |
| ZOOPL (ug/L) | 1257.02 | 2085.74 | 367.56 | 5 |
