Table 8 Analysis of the sensitivity of heavy metal concentration to the quality parameters in spring.

From: Simulation and modelling of heavy metals and water quality parameters in the river

Variable

Rate of change

Average concentration changes (%)

Pb

Cd

Zn

Temperature

Increase 25%

1.5

4.5

1.5

Decrease 25%

5.2

2.4

3.25

Dissolved oxygen

Increase 25%

0.3

0.2

0.9

Decrease 25%

0.7

0.3

1.8

Electrical conductivity

Increase 25%

3.8

10

1.3

Decrease 25%

2.2

8.5

1.5

pH

Increase 25%

3.1

3.2

0.9

Decrease 25%

4.7

5.1

1.3