| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Bylot Island, Nunavut, Canada. (BYL) | 15.10 | 51 |
| Lena River, Russia (LEN) | 13.75 | 6 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 5.30 | 154 |
| Labrador, Canada (LAB) | 5.20 | 17 |
| Taimyr Peninsula, Russia (TAI) | 5.01 | 3 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 3.46 | 13 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 2.64 | 5 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| Ca (mg/L) | 1.15 | 2.90 | 0.60 | 14 |
| CHLa-C (ug/L) | 0.61 | 1.40 | 0.10 | 14 |
| CHLa-U (ug/L) | 0.99 | 1.80 | 0.60 | 14 |
| Cl (mg/L) | 0.82 | 3.18 | 0.50 | 14 |
| COND (uS/cm) | 8.02 | 25.00 | 0.00 | 19 |
| DIC (mg/L) | 0.71 | 2.50 | 0.10 | 14 |
| DIST (km) | 142.88 | 262.50 | -47.50 | 13 |
| DO (mg/L) | 11.32 | 14.00 | 1.80 | 6 |
| DOC (mg/L) | 3.30 | 9.10 | 1.50 | 14 |
| Fe (ug/L) | 46.85 | 210.00 | 7.50 | 13 |
| K (mg/L) | 0.44 | 0.70 | 0.27 | 14 |
| Mg (mg/L) | 1.08 | 1.08 | 1.08 | 1 |
| Mn (ug/L) | 1.68 | 12.00 | 0.10 | 13 |
| Na (meq/L) | 1.52 | 1.52 | 1.52 | 1 |
| Na (mg/L) | 0.51 | 0.93 | 0.36 | 13 |
| NH3 (ug/L) | 6.69 | 12.00 | 1.00 | 13 |
| NH3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| NO2 (ug/L) | 1.77 | 3.00 | 1.00 | 13 |
| 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 | 13 |
| pH | 7.33 | 8.60 | 6.00 | 19 |
| PN (ug/L) | 64.38 | 102.00 | 29.00 | 13 |
| POC (ug/L) | 560.08 | 1080.00 | 354.00 | 13 |
| POC:PN | 9.63 | 18.21 | 3.79 | 13 |
| SiO2 (mg/L) | 0.27 | 0.64 | 0.10 | 14 |
| SO4 (mg/L) | 0.89 | 1.50 | 0.30 | 14 |
| SRP-U (ug/L) | 0.56 | 1.10 | 0.40 | 13 |
| TEMP (°C) | 9.48 | 14.00 | 6.70 | 16 |
| TKN-F (ug/L) | 93.00 | 93.00 | 93.00 | 1 |
| TKN-U (ug/L) | 151.62 | 321.00 | 88.00 | 13 |
| TN (ug/L) | 228.77 | 429.00 | 147.00 | 13 |
| TN:TP | 40.70 | 70.59 | 21.75 | 13 |
| TP-F (ug/L) | 4.59 | 9.20 | 1.80 | 14 |
| TP-U (ug/L) | 6.15 | 12.70 | 3.40 | 14 |
| ZOOPL (ug/L) | 1315.00 | 2085.74 | 551.46 | 11 |