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Table 4 Comparison of water quality at Lake Jingpo for different rainfall periods

From: Impact of spring freshet flooding and summer rainfall flooding on the water quality of an alpine barrier lake

 

Inflow from Mudanjiang to lake (m3)

Longest diffusion distance (km)

The increase in concentration of four parameters (mg/L)

TN

TP

CODMn

NH4-N

Spring freshet

4.81 × 108

16.3

1.00

0.16

2.4

0.64

Rainfall flood

29.77 × 108

33.1

2.6

0.36

4.2

1.1

30-year frequency rainfall flood

58.4 × 108

43.6

2.8

0.39

5.6

1.2