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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 6.02 | 24 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 5.92 | 2 |
| Lena River, Russia (LEN) | 1.89 | 2 |
| Taimyr Peninsula, Russia (TAI) | 1.39 | 8 |
| Abisko, Sweden (ABK) | 0.93 | 1 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 0.66 | 3 |
| Northern Sweden (SWE) | 0.33 | 3 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 13.22 | 25.01 | 5.25 | 3 |
| ALK (mekv/L) | 0.22 | 0.41 | 0.09 | 3 |
| Ca (meq/L) | 0.23 | 0.43 | 0.12 | 3 |
| Ca (mg/L) | 5.15 | 13.50 | 0.00 | 5 |
| CHLa-C (ug/L) | 0.40 | 0.50 | 0.30 | 2 |
| CHLa-U (ug/L) | 0.75 | 0.80 | 0.70 | 2 |
| Cl (mg/L) | 1.69 | 4.80 | 0.00 | 5 |
| Cl (meq/L) | 0.03 | 0.04 | 0.01 | 3 |
| COND (uS/cm) | 15.87 | 100.00 | 0.00 | 7 |
| DIC (mg/L) | 6.35 | 12.10 | 0.60 | 2 |
| DIST (km) | -53.75 | 12.50 | -120.00 | 2 |
| DO (mg/L) | 13.15 | 14.00 | 12.30 | 2 |
| DOC (mg/L) | 4.43 | 5.60 | 2.80 | 3 |
| Fe (ug/L) | 33.35 | 36.60 | 30.10 | 2 |
| K (meq/L) | 0.01 | 0.02 | 0.01 | 3 |
| K (mg/L) | 0.69 | 1.95 | 0.00 | 5 |
| Mg (mg/L) | 0.36 | 0.57 | 0.00 | 3 |
| Mg (meq/L) | 0.04 | 0.05 | 0.04 | 3 |
| Mn (ug/L) | 2.05 | 4.00 | 0.10 | 2 |
| Na (meq/L) | 0.04 | 0.06 | 0.02 | 3 |
| Na (mg/L) | 1.54 | 4.66 | 0.00 | 5 |
| NH3 (ug/L) | 3.50 | 6.00 | 1.00 | 2 |
| NO2 (ug/L) | 2.50 | 3.00 | 2.00 | 2 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 2 |
| pH | 7.24 | 8.50 | 6.50 | 8 |
| PN (ug/L) | 66.50 | 73.00 | 60.00 | 2 |
| POC (ug/L) | 534.00 | 580.00 | 488.00 | 2 |
| POC:PN | 8.04 | 8.13 | 7.95 | 2 |
| Si (mg/L) | 0.78 | 0.78 | 0.78 | 1 |
| SiO2 (mg/L) | 0.38 | 0.41 | 0.34 | 2 |
| SO4 (mg/L) | 1.63 | 3.03 | 0.00 | 5 |
| SO4 (meq/L) | 0.04 | 0.06 | 0.03 | 3 |
| SRP-U (ug/L) | 0.95 | 1.30 | 0.60 | 2 |
| TEMP (°C) | 11.18 | 14.50 | 7.50 | 5 |
| TKN-U (ug/L) | 262.50 | 352.00 | 173.00 | 2 |
| TN (ug/L) | 342.50 | 425.00 | 260.00 | 2 |
| TN:TP | 43.68 | 44.74 | 42.62 | 2 |
| TOC (mg/L) | 2.50 | 3.30 | 0.90 | 3 |
| TP-F (ug/L) | 4.20 | 5.20 | 3.20 | 2 |
| TP-U (ug/L) | 7.80 | 9.50 | 6.10 | 2 |
| ZOOPL (ug/L) | 915.80 | 1464.04 | 367.56 | 2 |
