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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) | 2.52 | 5 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 1.57 | 49 |
| Taimyr Peninsula, Russia (TAI) | 1.25 | 5 |
| Lena River, Russia (LEN) | 1.23 | 6 |
| Abisko, Sweden (ABK) | 0.75 | 12 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 0.33 | 2 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 0.32 | 4 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| Ag (ug/L) | 1.60 | 2.00 | 1.00 | 5 |
| Al (ug/L) | 36.00 | 80.00 | 10.00 | 5 |
| Ba (ug/L) | 3.46 | 5.40 | 1.90 | 5 |
| Be (ug/L) | 0.20 | 0.20 | 0.20 | 5 |
| Ca (mg/L) | 25.00 | 61.80 | 0.60 | 9 |
| Ca (meq/L) | 0.18 | 1.03 | 0.04 | 12 |
| Cd (ug/L) | 1.00 | 1.00 | 1.00 | 5 |
| CHLa-C (ug/L) | 0.65 | 1.10 | 0.20 | 4 |
| CHLa-U (ug/L) | 0.90 | 1.30 | 0.60 | 4 |
| Cl (mg/L) | 5.44 | 19.60 | 0.50 | 9 |
| Cl (meq/L) | 0.03 | 0.05 | 0.01 | 12 |
| Co (ug/L) | 1.00 | 1.00 | 1.00 | 5 |
| COND (uS/cm) | 54.14 | 282.00 | 0.02 | 24 |
| Cr (ug/L) | 1.20 | 2.00 | 1.00 | 5 |
| Cu (ug/L) | 7.20 | 18.00 | 3.00 | 5 |
| DIC (mg/L) | 19.24 | 41.60 | 0.20 | 9 |
| DIST (km) | 108.75 | 227.50 | -120.00 | 4 |
| DO (mg/L) | 12.88 | 14.00 | 12.30 | 3 |
| DOC (mg/L) | 3.21 | 8.40 | 1.40 | 21 |
| Fe (ug/L) | 111.96 | 677.00 | 7.50 | 9 |
| K (mg/L) | 0.72 | 2.40 | 0.20 | 9 |
| K (meq/L) | 0.01 | 0.05 | 0.00 | 12 |
| Li (ug/L) | 1.60 | 4.00 | 1.00 | 5 |
| Mg (mg/L) | 9.60 | 16.60 | 5.10 | 5 |
| Mg (meq/L) | 0.05 | 0.17 | 0.01 | 12 |
| Mn (ug/L) | 5.99 | 27.00 | 0.10 | 9 |
| Mo (ug/L) | 1.20 | 2.00 | 1.00 | 5 |
| Na (meq/L) | 0.04 | 0.06 | 0.02 | 12 |
| Na (mg/L) | 3.85 | 12.50 | 0.36 | 9 |
| NH3 (ug/L) | 9.44 | 37.00 | 1.00 | 9 |
| Ni (ug/L) | 2.20 | 3.00 | 2.00 | 5 |
| NO2 (ug/L) | 10.67 | 83.00 | 1.00 | 9 |
| NO2 & NO3-F (mg/L) | 84.00 | 304.00 | 10.00 | 5 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 4 |
| Pb (ug/L) | 5.00 | 5.00 | 5.00 | 5 |
| pH | 7.26 | 8.70 | 6.00 | 24 |
| PN (ug/L) | 64.00 | 94.00 | 46.00 | 4 |
| POC (ug/L) | 362.89 | 549.00 | 173.00 | 9 |
| POC:PN | 7.09 | 8.13 | 5.84 | 4 |
| PON (ug/L) | 31.00 | 40.00 | 23.00 | 5 |
| Si (mg/L) | 0.73 | 2.22 | 0.06 | 12 |
| SiO2 (mg/L) | 1.28 | 4.29 | 0.19 | 9 |
| SO4 (meq/L) | 0.04 | 0.09 | 0.02 | 12 |
| SO4 (mg/L) | 2.56 | 8.50 | 0.20 | 9 |
| Sr (ug/L) | 97.98 | 141.00 | 56.60 | 5 |
| SRP-U (ug/L) | 622.44 | 1300.00 | 0.40 | 9 |
| TEMP (°C) | 10.35 | 17.50 | 6.00 | 23 |
| TKN-U (ug/L) | 306.56 | 556.00 | 88.00 | 9 |
| TN (ug/L) | 401.44 | 593.00 | 147.00 | 9 |
| TN:TP | 44.77 | 55.50 | 31.96 | 4 |
| TOC (mg/L) | 3.48 | 9.60 | 1.20 | 12 |
| TP-F (ug/L) | 5.71 | 9.20 | 2.90 | 9 |
| TP-U (ug/L) | 7.34 | 10.10 | 4.00 | 9 |
| V (ug/L) | 1.00 | 1.00 | 1.00 | 5 |
| Zn (ug/L) | 2.20 | 4.00 | 1.00 | 5 |
| ZOOPL (ug/L) | 1287.26 | 1733.13 | 551.46 | 4 |
