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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 5.28 | 25 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 4.93 | 51 |
| Abisko, Sweden (ABK) | 3.94 | 36 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 3.17 | 11 |
| Northern Sweden (SWE) | 2.58 | 21 |
| Labrador, Canada (LAB) | 1.60 | 17 |
| Lena River, Russia (LEN) | 1.25 | 6 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 13.10 | 37.09 | 2.13 | 19 |
| ALK (mekv/L) | 0.21 | 0.61 | 0.04 | 19 |
| Ca (meq/L) | 0.16 | 1.03 | 0.01 | 48 |
| Ca (mg/L) | 2.31 | 9.38 | 0.00 | 32 |
| CHLa-C (ug/L) | 0.55 | 1.10 | 0.10 | 11 |
| CHLa-U (ug/L) | 0.86 | 1.40 | 0.40 | 11 |
| Cl (mg/L) | 0.78 | 2.48 | 0.00 | 32 |
| Cl (meq/L) | 0.03 | 0.10 | 0.01 | 48 |
| COND (uS/cm) | 4.76 | 30.00 | 0.00 | 63 |
| DIC (mg/L) | 1.17 | 3.50 | 0.10 | 11 |
| DIST (km) | 73.86 | 242.50 | -55.00 | 11 |
| DO (mg/L) | 12.93 | 13.57 | 12.30 | 4 |
| DOC (mg/L) | 4.53 | 11.50 | 1.20 | 47 |
| Fe (ug/L) | 51.75 | 210.00 | 7.50 | 11 |
| K (meq/L) | 0.01 | 0.05 | 0.00 | 48 |
| K (mg/L) | 0.40 | 1.37 | 0.00 | 32 |
| Mg (mg/L) | 0.49 | 2.39 | 0.00 | 21 |
| Mg (meq/L) | 0.07 | 0.20 | 0.01 | 48 |
| Mn (ug/L) | 2.96 | 12.00 | 0.10 | 11 |
| Na (meq/L) | 0.04 | 0.11 | 0.02 | 48 |
| Na (mg/L) | 0.60 | 1.59 | 0.00 | 32 |
| NH3 (ug/L) | 7.91 | 12.00 | 5.00 | 11 |
| NO2 (ug/L) | 1.82 | 3.00 | 1.00 | 11 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 11 |
| pH | 7.07 | 8.80 | 5.87 | 70 |
| PN (ug/L) | 62.00 | 94.00 | 44.00 | 11 |
| POC (ug/L) | 572.27 | 1080.00 | 354.00 | 11 |
| POC:PN | 9.19 | 13.03 | 6.43 | 11 |
| Si (mg/L) | 1.07 | 3.06 | 0.03 | 36 |
| SiO2 (mg/L) | 0.28 | 0.64 | 0.08 | 11 |
| SO4 (mg/L) | 1.17 | 3.46 | 0.00 | 32 |
| SO4 (meq/L) | 0.05 | 0.28 | 0.01 | 48 |
| SRP-U (ug/L) | 0.60 | 1.10 | 0.40 | 11 |
| TEMP (°C) | 11.79 | 17.50 | 5.20 | 60 |
| TKN-U (ug/L) | 171.64 | 321.00 | 63.00 | 11 |
| TN (ug/L) | 246.45 | 429.00 | 135.00 | 11 |
| TN:TP | 44.80 | 67.22 | 17.53 | 11 |
| TOC (mg/L) | 5.05 | 13.10 | 1.40 | 48 |
| TP-F (ug/L) | 4.94 | 9.20 | 2.30 | 11 |
| TP-U (ug/L) | 5.95 | 12.70 | 3.60 | 11 |
| ZOOPL (ug/L) | 1454.27 | 2120.75 | 551.46 | 9 |
