Table 1.
Details of water quality monitoring stations in the research area.
| Station name | Code | Longitude | Latitude | River | River length (km) | Area(km2) |
|---|---|---|---|---|---|---|
| Fenghuangqiao | S1 | 120.048 | 33.359 | Mangshe River | 46 | 870 |
| Touzengzha | S2 | 120.092 | 34.373 | Abandoned Yellow River | 728 | 4291 |
| Liuduozha | S3 | 120.255 | 34.093 | Main Irrigation Channel of North Jiangsu | 168 | 564 |
| Datuanqiao | S4 | 120.316 | 33.243 | Doulong Port | 4428 | 4428 |
| Sheyanghezha | S5 | 120.346 | 33.804 | Sheyang River | 198 | 4036 |
| Huangshagangzha | S6 | 120.399 | 33.736 | Huangsha Port | 89 | 865 |
| Xinyanggangzha | S7 | 120.481 | 33.621 | Xinyang Port | 70 | 2478 |
| Doulonggangzha | S8 | 120.588 | 33.460 | Doulong Port | 55 | 4428 |
| Wanggangzha | S9 | 120.708 | 33.190 | Wanggang River | 44 | 498 |
| Fuminqiao | S10 | 120.774 | 32.690 | Dongtai River | 55 | 479 |
| Chuandongzha | S11 | 120.805 | 33.057 | Chuandong Port | 49 | 648 |
| Beilingxinzha | S12 | 120.953 | 32.606 | Beiling River | 45 | 323 |
| Jiuweigangqiao | S13 | 121.042 | 32.306 | Jiuwei Port | 47 | 2123 |
| Xiaoyangkou | S14 | 121.049 | 32.567 | Bencha Canal | 79 | 446 |
| Huandongzhakou | S15 | 121.186 | 32.479 | Jucha River | 17 | 300 |
| Donganzhaqiao | S16 | 121.376 | 32.278 | Rutai Canal | 155 | 452 |
| Junandaqiao | S17 | 121.568 | 31.941 | Tongqi Canal | 93 | 530 |
| Dayanggangqiao | S18 | 121.598 | 32.063 | Tonglv Canal | 79 | 2294 |
| Tanglugangzha | S19 | 121.829 | 31.936 | Tongqi Canal | 93 | 530 |