Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Basic statistics of morphometric features and water environment properties of lakes included in the Polish Training Set
| Min. | Max | Mean | ||
|---|---|---|---|---|
| Surface area | km2 | 0.10 | 7.31 | 0.73 |
| Max depth | m | 6.00 | 43.6 | 16.0 |
| Water temperature | °C | 9.95 | 14.6 | 11.3 |
| Specific conductivity | S cm−1 | 53.5 | 771 | 390 |
| TDS TDS – total dissolved solids | g l−1 | 0.03 | 0.50 | 0.25 |
| Turbidity | NTU | 2.18 | 23.0 | 5.42 |
| pH | 7.69 | 8.11 | 7.88 | |
| DO DO – dissolved oxygen | mg l−1 | 7.50 | 12.7 | 9.82 |
| Na+ | 1.65 | 23.9 | 7.46 | |
| K+ | 0.46 | 16.2 | 3.93 | |
| Mg2+ | 0.90 | 24.6 | 9.48 | |
| Ca2+ | 6.01 | 127 | 60.4 | |
| HCO3 | 0.30 | 5.32 | 2.77 | |
| SO42− | 4.72 | 136 | 29.8 | |
| F− | 0.07 | 18.9 | 0.55 | |
| Cl− | 2.45 | 74.2 | 15.4 | |
| N tot | 0.35 | 4.40 | 1.29 | |
| P | 0.02 | 0.33 | 0.08 |