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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Abisko, Sweden (ABK) | 5.88 | 57 |
| Northern Sweden (SWE) | 3.12 | 11 |
| Taimyr Peninsula, Russia (TAI) | 1.83 | 4 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 1.32 | 11 |
| Lena River, Russia (LEN) | 1.27 | 5 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 1.16 | 11 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 0.33 | 1 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 9.73 | 37.09 | 0.12 | 11 |
| ALK (mekv/L) | 0.16 | 0.61 | 0.00 | 11 |
| Ca (meq/L) | 0.11 | 1.03 | 0.01 | 64 |
| Ca (mg/L) | 1.39 | 5.24 | 0.00 | 22 |
| CHLa-C (ug/L) | 0.68 | 1.40 | 0.20 | 11 |
| CHLa-U (ug/L) | 1.00 | 1.80 | 0.60 | 11 |
| Cl (mg/L) | 0.89 | 2.87 | 0.00 | 22 |
| Cl (meq/L) | 0.03 | 0.10 | 0.01 | 64 |
| COND (uS/cm) | 3.33 | 20.00 | 0.00 | 76 |
| DIC (mg/L) | 0.49 | 1.70 | 0.20 | 11 |
| DIST (km) | 120.45 | 262.50 | -30.00 | 11 |
| DO (mg/L) | 12.30 | 12.30 | 12.30 | 1 |
| DOC (mg/L) | 4.09 | 11.50 | 1.10 | 68 |
| Fe (ug/L) | 68.53 | 210.00 | 7.50 | 11 |
| K (meq/L) | 0.01 | 0.05 | 0.00 | 64 |
| K (mg/L) | 0.35 | 0.94 | 0.00 | 22 |
| Mg (mg/L) | 0.37 | 1.41 | 0.00 | 11 |
| Mg (meq/L) | 0.05 | 0.17 | 0.01 | 64 |
| Mn (ug/L) | 2.61 | 12.00 | 0.10 | 11 |
| Na (meq/L) | 0.04 | 0.11 | 0.01 | 64 |
| Na (mg/L) | 0.64 | 1.59 | 0.00 | 22 |
| NH3 (ug/L) | 7.73 | 12.00 | 1.00 | 11 |
| NO2 (ug/L) | 1.73 | 3.00 | 1.00 | 11 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 11 |
| pH | 6.81 | 8.40 | 5.30 | 80 |
| PN (ug/L) | 68.45 | 104.00 | 29.00 | 11 |
| POC (ug/L) | 567.18 | 1080.00 | 354.00 | 11 |
| POC:PN | 9.17 | 18.21 | 4.94 | 11 |
| Si (mg/L) | 0.83 | 2.86 | 0.05 | 57 |
| SiO2 (mg/L) | 0.24 | 0.34 | 0.10 | 11 |
| SO4 (mg/L) | 0.98 | 2.21 | 0.00 | 22 |
| SO4 (meq/L) | 0.04 | 0.28 | 0.01 | 64 |
| SRP-U (ug/L) | 0.66 | 1.30 | 0.40 | 11 |
| TEMP (°C) | 10.97 | 17.50 | 4.80 | 75 |
| TKN-U (ug/L) | 171.09 | 325.00 | 88.00 | 11 |
| TN (ug/L) | 252.27 | 429.00 | 147.00 | 11 |
| TN:TP | 39.62 | 67.22 | 21.75 | 11 |
| TOC (mg/L) | 4.56 | 13.10 | 0.50 | 64 |
| TP-F (ug/L) | 4.57 | 9.20 | 1.80 | 11 |
| TP-U (ug/L) | 6.81 | 12.70 | 3.60 | 11 |
| ZOOPL (ug/L) | 938.90 | 1733.13 | 367.56 | 10 |
