Research Article
Impact of Land Cover Changes on the Wetland Ecosystem Water Environment Using Soft Computing Methods
Table 1
Comparison of standard values of calculated water quality index.
| | Index | Weight | 100 | 80 | 70 | 60 | 50 | 40 | 30 | 20 | 10 | 0 |
| | NH4-N | 3.1 | <0.02 | <0.16 | <0.21 | <0.36 | <0.51 | <0.76 | <1.01 | <1.26 | ≤1.51 | >1.51 | | NO3-N | 2.1 | <0.51 | <2.1 | <3.1 | <5.1 | <10.1 | <15.1 | <25.1 | <25.1 | ≤50.1 | >50.1 | | NO2-N | 2.1 | <0.06 | <0.016 | <0.03 | <0.04 | <0.06 | <0.11 | <0.16 | <0.51 | ≤1.01 | >1.01 | | BOD5 | 3.1 | <0.51 | <1.6 | <2.1 | <2.6 | <3.1 | <4.1 | <6.1 | <8.1 | ≤10.1 | >10.1 | | DO | 4.1 | ≥7.51 | >6.6 | >6.1 | >5.1 | >4.1 | >3.6 | >3.1 | <2.1 | ≥1.1 | >1.1 | | Hard | 1.1 | <25.1 | <75.1 | <100.1 | <150.1 | <200.1 | <300.1 | <400.1 | <600.1 | ≤1000.1 | >1000.1 | | Mg | 1.1 | <1.1 | <3.1 | <4.1 | <6.1 | <8.1 | <9.1 | <10.1 | <12.1 | ≤15.1 | >15.1 | | Oil | 2.1 | <0.006 | <0.041 | <0.081 | <0.151 | <0.301 | <0.601 | <1.001 | <2.0001 | 3.0001 | >3.0001 | | pH | 1.1 | 7.1 | 7.6∼8.1 | 8.1∼8.6 | 8.6∼9.1 | 9.1∼9.6 | 9.51∼10.1 | 10.1∼11.1 | 11.1∼12.1 | 12.1∼13.1 | 13.1∼14.1 | | | | | 6.1∼6.6 | 5.6∼6.1 | 5.1∼5.6 | 4.6∼5.1 | 4.1∼1.6 | 3.1∼4.1 | 2.1∼7.1 | 1.1∼2.1 | <1.1 | | TP | 3.1 | <0.02 | <0.04 | <0.05 | <0.05 | <0.07 | <0.11 | <0.21 | <0.31 | ≤0.51 | >0.51 | | TSS | 4.1 | <10.1 | <30.1 | <40.1 | <60.1 | <100.1 | <200.1 | <500.1 | <800.1 | ≤1200.1 | >1201 | | T | 1.1 | 21.1∼16.1 | 24.1∼14.1 | 26.1∼12.1 | 28.1∼10.1 | 30.1∼5.1 | 32.1∼0 | 36.1∼2.1 | 40.1∼4.1 | 45.1∼6.1 | >45.1<-6.1 | | Turb | 2.1 | <10.1 | <15.1 | <20.1 | <25.1 | <31 | <40.1 | <60.1 | <80.1 | ≤100.1 | >100.1 |
|
|
