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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 3.28 | 3 |
| Labrador, Canada (LAB) | 1.60 | 2 |
| Taimyr Peninsula, Russia (TAI) | 1.34 | 3 |
| Pechora River, Russia (PEC) | 1.22 | 4 |
| Northern Quebec (QUE) | 1.20 | 8 |
| Lena River, Russia (LEN) | 1.07 | 5 |
| Northern Sweden (SWE) | 1.03 | 1 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 0.98 | 1 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 0.78 | 1 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 8.54 | 8.54 | 8.54 | 1 |
| ALK (mekv/L) | 0.14 | 0.14 | 0.14 | 1 |
| Ca (mg/L) | 2.55 | 5.10 | 0.00 | 2 |
| CHLa-C (ug/L) | 0.20 | 0.20 | 0.20 | 1 |
| CHLa-U (ug/L) | 0.40 | 0.40 | 0.40 | 1 |
| Cl (mg/L) | 0.35 | 0.70 | 0.00 | 2 |
| COND (uS/cm) | 15.04 | 30.00 | 0.08 | 2 |
| DIC (mg/L) | 3.50 | 3.50 | 3.50 | 1 |
| DIST (km) | -55.00 | -55.00 | -55.00 | 1 |
| DO (mg/L) | 13.57 | 13.57 | 13.57 | 1 |
| DOC (mg/L) | 4.70 | 4.70 | 4.70 | 1 |
| Fe (ug/L) | 17.50 | 17.50 | 17.50 | 1 |
| K (mg/L) | 0.29 | 0.58 | 0.00 | 2 |
| Mg (mg/L) | 0.00 | 0.00 | 0.00 | 1 |
| Mn (ug/L) | 3.00 | 3.00 | 3.00 | 1 |
| Na (mg/L) | 0.41 | 0.81 | 0.00 | 2 |
| NH3 (ug/L) | 6.00 | 6.00 | 6.00 | 1 |
| NO2 (ug/L) | 2.00 | 2.00 | 2.00 | 1 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 1 |
| pH | 7.27 | 8.70 | 6.50 | 3 |
| PN (ug/L) | 58.00 | 58.00 | 58.00 | 1 |
| POC (ug/L) | 390.00 | 390.00 | 390.00 | 1 |
| POC:PN | 6.72 | 6.72 | 6.72 | 1 |
| SiO2 (mg/L) | 0.61 | 0.61 | 0.61 | 1 |
| SO4 (mg/L) | 0.30 | 0.60 | 0.00 | 2 |
| SRP-U (ug/L) | 0.60 | 0.60 | 0.60 | 1 |
| TEMP (°C) | 11.95 | 13.00 | 10.90 | 2 |
| TKN-U (ug/L) | 176.00 | 176.00 | 176.00 | 1 |
| TN (ug/L) | 247.00 | 247.00 | 247.00 | 1 |
| TN:TP | 63.33 | 63.33 | 63.33 | 1 |
| TP-F (ug/L) | 2.30 | 2.30 | 2.30 | 1 |
| TP-U (ug/L) | 3.90 | 3.90 | 3.90 | 1 |
| ZOOPL (ug/L) | 2015.32 | 2015.32 | 2015.32 | 1 |
